| Uniprot AC | Uniprot Name | Species | 
| Q8KLK7 | (3,5-dihydroxyphenyl)acetyl-CoA 1,2-dioxygenase | Streptomyces toyocaensis | 
| A9CH39 | (6-4) photolyase | Agrobacterium fabrum   | 
| O04385 | (Iso)eugenol O-methyltransferase | Clarkia breweri | 
| Q5U924 | (R)-2-hydroxyisocaproyl-CoA dehydratase alpha subunit | Peptoclostridium difficile | 
| O24243 | (R)-mandelonitrile lyase 1 | Prunus dulcis | 
| Q945K2 | (R)-mandelonitrile lyase 2 | Prunus dulcis | 
| A1X808 | (R)-specific carbonyl reductase | Candida parapsilosis | 
| Q5P5I4 | (S)-1-Phenylethanol dehydrogenase | Aromatoleum aromaticum | 
| M4ZS15 | (S)-imine reductase | Streptomyces sp. GF3546 | 
| P20932 | (S)-mandelate dehydrogenase | Pseudomonas putida | 
| Q5C9L7 | (S)-norcoclaurine 6-O-methyltransferase | Thalictrum flavum subsp. glaucum | 
| Q00972 | [3-methyl-2-oxobutanoate dehydrogenase [lipoamide]] kinase, mitochondrial | Rattus norvegicus | 
| Q8VDP3 | [F-actin]-methionine sulfoxide oxidase MICAL1 | Mus musculus | 
| O50147 | [LysW]-aminoadipate kinase | Thermus thermophilus | 
| Q5SHH5 | [LysW]-aminoadipate semialdehyde transaminase | Thermus thermophilus | 
| O50146 | [LysW]-L-2-aminoadipate 6-phosphate reductase | Thermus thermophilus | 
| O28751 | [Protein ADP-ribosylglutamate] hydrolase AF_1521 | Archaeoglobus fulgidus | 
| Q64536 | [Pyruvate dehydrogenase (acetyl-transferring)] kinase isozyme 2, mitochondrial | Rattus norvegicus | 
| Q15120 | [Pyruvate dehydrogenase (acetyl-transferring)] kinase isozyme 3, mitochondrial | Homo sapiens | 
| Q16654 | [Pyruvate dehydrogenase (acetyl-transferring)] kinase isozyme 4, mitochondrial | Homo sapiens | 
| Q09128 | 1,25-dihydroxyvitamin D(3) 24-hydroxylase, mitochondrial | Rattus norvegicus | 
| P76077 | 1,2-phenylacetyl-CoA epoxidase, subunit A | Escherichia coli | 
| A7ZSW5 | 1,4-alpha-glucan branching enzyme GlgB | Escherichia coli O139:H28 | 
| P9WNP5 | 1,4-dihydroxy-2-naphthoyl-CoA synthase | Mycobacterium tuberculosis | 
| P0ABU0 | 1,4-dihydroxy-2-naphthoyl-CoA synthase | Escherichia coli | 
| P73495 | 1,4-dihydroxy-2-naphthoyl-CoA synthase | Synechocystis sp. | 
| Q2I8V6 | 1,5-anhydro-D-fructose reductase | Ensifer adhaerens | 
| Q92KZ3 | 1,5-anhydro-D-fructose reductase | Rhizobium meliloti | 
| Q8VQF6 | 1,8-cineole 2-endo-monooxygenase | Citrobacter braakii | 
| Q9XG54 | 12-oxophytodienoate reductase 1 | Solanum lycopersicum | 
| Q9FUP0 | 12-oxophytodienoate reductase 3 | Arabidopsis thaliana | 
| Q9FEW9 | 12-oxophytodienoate reductase 3 | Solanum lycopersicum | 
| P31947 | 14-3-3 protein sigma | Homo sapiens | 
| P63104 | 14-3-3 protein zeta/delta | Homo sapiens | 
| P93343 | 14-3-3-like protein C | Nicotiana tabacum | 
| E9QY26 | 14-alpha sterol demethylase Cyp51B | Neosartorya fumigata | 
| P15428 | 15-hydroxyprostaglandin dehydrogenase [NAD(+)] | Homo sapiens | 
| Q9C1B7 | 15-O-acetyltransferase | Fusarium sporotrichioides | 
| A8C927 | 16S rRNA (adenine(1408)-N(1))-methyltransferase | Escherichia coli | 
| Q7M0R2 | 16S rRNA (guanine(1405)-N(7))-methyltransferase | Micromonospora zionensis | 
| Q763K9 | 16S rRNA methylase | Escherichia coli | 
| O93874 | 17beta-hydroxysteroid dehydrogenase | Cochliobolus lunatus | 
| Q9BPX1 | 17-beta-hydroxysteroid dehydrogenase 14 | Homo sapiens | 
| P25627 | 18S rRNA (guanine(1575)-N(7))-methyltransferase | Saccharomyces cerevisiae | 
| Q7M523 | 1-aminocyclopropane-1-carboxylate deaminase | Cyberlindnera saturnus | 
| P18485 | 1-aminocyclopropane-1-carboxylate synthase 2 | Solanum lycopersicum | 
| P45568 | 1-deoxy-D-xylulose 5-phosphate reductoisomerase | Escherichia coli | 
| Q9X5F2 | 1-deoxy-D-xylulose 5-phosphate reductoisomerase | Zymomonas mobilis subsp. mobilis | 
| P9WNS1 | 1-deoxy-D-xylulose 5-phosphate reductoisomerase | Mycobacterium tuberculosis | 
| O96693 | 1-deoxy-D-xylulose 5-phosphate reductoisomerase, apicoplastic | Plasmodium falciparum | 
| P77488 | 1-deoxy-D-xylulose-5-phosphate synthase | Escherichia coli | 
| Q82IZ1 | 1-deoxypentalenic acid 11-beta-hydroxylase | Streptomyces avermitilis | 
| Q5SI02 | 1-pyrroline-5-carboxylate dehydrogenase | Thermus thermophilus | 
| Q56840 | 2-(R)-hydroxypropyl-CoM dehydrogenase | Xanthobacter autotrophicus | 
| P16932 | 2,2-dialkylglycine decarboxylase | Burkholderia cepacia | 
| P56220 | 2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase | Unknown prokaryotic organism | 
| P9WP21 | 2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase | Mycobacterium tuberculosis | 
| P16330 | 2',3'-cyclic-nucleotide 3'-phosphodiesterase | Mus musculus | 
| Q5L1E2 | 2,3-diketo-5-methylthiopentyl-1-phosphate enolase | Geobacillus kaustophilus | 
| P37672 | 2,3-diketo-L-gulonate reductase | Escherichia coli | 
| O49235 | 2,4-D inducible glutathione S-transferase | Glycine max | 
| P42593 | 2,4-dienoyl-CoA reductase | Escherichia coli | 
| Q16698 | 2,4-dienoyl-CoA reductase, mitochondrial | Homo sapiens | 
| Q58085 | 2,5-diamino-6-ribosylamino-4(3H)-pyrimidinone 5'-phosphate reductase | Methanocaldococcus jannaschii | 
| P33312 | 2,5-diamino-6-ribosylamino-4(3H)-pyrimidinone 5'-phosphate reductase | Saccharomyces cerevisiae | 
| P06632 | 2,5-diketo-D-gluconic acid reductase A | Corynebacterium sp. | 
| Q93NG3 | 2,6-dihydroxypyridine 3-monooxygenase | Arthrobacter nicotinovorans | 
| Q84HC8 | 2,7-dihydroxy-5-methyl-1-naphthoate 7-O-methyltransferase | Streptomyces carzinostaticus | 
| O57883 | 235aa long hypothetical biotin-[acetyl-CoA-carboxylase] ligase | Pyrococcus horikoshii | 
| P18644 | 23S rRNA (adenosine(1067)-2'-O)-methyltransferase | Streptomyces azureus | 
| P36999 | 23S rRNA (guanine(745)-N(1))-methyltransferase | Escherichia coli | 
| P55135 | 23S rRNA (uracil(1939)-C(5))-methyltransferase RlmD | Escherichia coli | 
| Q05823 | 2-5A-dependent ribonuclease | Homo sapiens | 
| P00973 | 2'-5'-oligoadenylate synthase 1 | Homo sapiens | 
| Q29599 | 2'-5'-oligoadenylate synthase 1 | Sus scrofa | 
| Q9SLN8 | 2-alkenal reductase (NADP(+)-dependent) | Nicotiana tabacum | 
| Q8TDX5 | 2-amino-3-carboxymuconate-6-semialdehyde decarboxylase | Homo sapiens | 
| Q83F40 | 2-amino-3-ketobutyrate coenzyme A ligase | Coxiella burnetii | 
| Q83V33 | 2-aminomuconate 6-semialdehyde dehydrogenase | Pseudomonas fluorescens | 
| P62617 | 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase | Escherichia coli | 
| A0R559 | 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase | Mycobacterium smegmatis 155 | 
| Q3JRA0 | 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase | Burkholderia pseudomallei | 
| P69834 | 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase, chloroplastic | Arabidopsis thaliana | 
| Q53W83 | 2-dehydro-3-deoxygluconokinase | Thermus thermophilus | 
| P0A715 | 2-dehydro-3-deoxyphosphooctonate aldolase | Escherichia coli | 
| P0A9J4 | 2-dehydropantoate 2-reductase | Escherichia coli | 
| Q46RB9 | 2-dehydropantoate 2-reductase | Cupriavidus pinatubonensis   | 
| Q53W82 | 2-deoxy-D-gluconate 3-dehydrogenase | Thermus thermophilus | 
| O35820 | 2'-deoxynucleoside 5'-phosphate N-hydrolase 1 | Rattus norvegicus | 
| H2K887 | 2-epi-5-epi-valiolone synthase | Streptomyces hygroscopicus subsp. jinggangensis | 
| P47229 | 2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoate hydrolase | Burkholderia xenovorans | 
| Q8ZXP5 | 2-hydroxyacid dehydrogenase | Pyrobaculum aerophilum | 
| P54997 | 2'-hydroxybiphenyl-2-sulfinate desulfinase | Rhodococcus sp. | 
| O06647 | 2-hydroxybiphenyl-3-monooxygenase | Pseudomonas nitroreducens | 
| Q51948 | 2-hydroxychromene-2-carboxylate isomerase | Pseudomonas putida | 
| Q5U925 | 2-hydroxyisocaproyl-CoA dehydratase activator | Peptoclostridium difficile | 
| Q96XN9 | 2-keto-3-deoxy-gluconate kinase | Sulfolobus tokodaii | 
| P49017 | 2-methoxy-6-polyprenyl-1,4-benzoquinol methylase, mitochondrial | Saccharomyces cerevisiae | 
| Q988D3 | 2-methyl-3-hydroxypyridine-5-carboxylic acid oxygenase | Rhizobium loti | 
| O34002 | 2-methylcitrate synthase | Antarctic bacterium DS2-3R | 
| Q9FBC5 | 2-nitropropane dioxygenase | Streptococcus pneumoniae | 
| H3JQW0 | 2-oxo-Delta(3)-4,5,5-trimethylcyclopentenylacetyl-CoA monooxygenase | Pseudomonas putida | 
| Q5SLR4 | 2-oxoisovalerate dehydrogenase subunit alpha | Thermus thermophilus | 
| P12694 | 2-oxoisovalerate dehydrogenase subunit alpha, mitochondrial | Homo sapiens | 
| Q56839 | 2-oxopropyl-CoM reductase, carboxylating | Xanthobacter autotrophicus | 
| Q8PVT6 | 2-phospho-L-lactate transferase | Methanosarcina mazei | 
| P48391 | 2-pyrone synthase | Gerbera hybrida | 
| P17109 | 2-succinyl-5-enolpyruvyl-6-hydroxy-3-cyclohexene-1-carboxylate synthase | Escherichia coli | 
| P23971 | 2-succinylbenzoate-CoA ligase | Bacillus subtilis | 
| Q05871 | 3,2-trans-enoyl-CoA isomerase | Saccharomyces cerevisiae | 
| Q13WK4 | 3,4-dehydroadipyl-CoA semialdehyde dehydrogenase | Burkholderia xenovorans | 
| D7UER1 | 3,6-diketocamphane 1,6 monooxygenase | Pseudomonas putida | 
| O50095 | 307aa long hypothetical phosphoglycerate dehydrogenase | Pyrococcus horikoshii | 
| O58802 | 319aa long hypothetical homoserine dehydrogenase | Pyrococcus horikoshii | 
| O58151 | 336aa long hypothetical dTDP-glucose 4,6-dehydratase | Pyrococcus horikoshii | 
| P9WJ72 | 3'-5' exoribonuclease MT2234.1 | Mycobacterium tuberculosis | 
| P19992 | 3-alpha-(or 20-beta)-hydroxysteroid dehydrogenase | Streptomyces exfoliatus | 
| P9WGT1 | 3-alpha-(or 20-beta)-hydroxysteroid dehydrogenase | Mycobacterium tuberculosis | 
| P19337 | 3alpha-hydroxy bile acid-CoA-ester 3-dehydrogenase 2 | Clostridium scindens | 
| P23457 | 3-alpha-hydroxysteroid dehydrogenase | Rattus norvegicus | 
| Q59718 | 3-alpha-hydroxysteroid dehydrogenase | Pseudomonas sp. B-0831 | 
| P80702 | 3-alpha-hydroxysteroid dehydrogenase/carbonyl reductase | Comamonas testosteroni | 
| O52552 | 3-amino-5-hydroxybenzoate synthase | Amycolatopsis mediterranei | 
| P15474 | 3-dehydroquinate dehydratase | Streptomyces coelicolor  / M145 | 
| P9WPX7 | 3-dehydroquinate dehydratase | Mycobacterium tuberculosis | 
| Q6GGU4 | 3-dehydroquinate synthase | Staphylococcus aureus | 
| P56081 | 3-dehydroquinate synthase | Helicobacter pylori | 
| P9WPX9 | 3-dehydroquinate synthase | Mycobacterium tuberculosis | 
| U3KRF2 | 3-dehydroquinate synthase, chloroplastic | Actinidia chinensis | 
| P44490 | 3-deoxy-manno-octulosonate cytidylyltransferase | Haemophilus influenzae | 
| P04035 | 3-hydroxy-3-methylglutaryl-coenzyme A reductase | Homo sapiens | 
| P13702 | 3-hydroxy-3-methylglutaryl-coenzyme A reductase | Pseudomonas mevalonii | 
| Q0KEY8 | 3-Hydroxyacyl-CoA dehydrogenase | Cupriavidus necator | 
| O70351 | 3-hydroxyacyl-CoA dehydrogenase type-2 | Rattus norvegicus | 
| Q1LCS4 | 3-hydroxyanthranilate 3,4-dioxygenase | Cupriavidus metallidurans | 
| Q6SSJ6 | 3-hydroxybenzoate 4-monooxygenase | Comamonas testosteroni | 
| D0VWQ0 | 3-hydroxybutyrate dehydrogenase | Alcaligenes faecalis | 
| Q9BUT1 | 3-hydroxybutyrate dehydrogenase type 2 | Homo sapiens | 
| C4IEM5 | 3-hydroxybutyryl-CoA dehydrogenase | Clostridium butyricum E4 str. BoNT E BL5262 | 
| O33877 | 3-hydroxydecanoyl-[acyl-carrier-protein] dehydratase | Pseudomonas aeruginosa | 
| Q5SLQ6 | 3-hydroxyisobutyrate dehydrogenase | Thermus thermophilus | 
| P31937 | 3-hydroxyisobutyrate dehydrogenase, mitochondrial | Homo sapiens | 
| Q6NVY1 | 3-hydroxyisobutyryl-CoA hydrolase, mitochondrial | Homo sapiens | 
| Q5SIY4 | 3-isopropylmalate dehydrogenase | Thermus thermophilus | 
| Q2T7H6 | 3-isopropylmalate dehydrogenase | Burkholderia thailandensis | 
| P28790 | 3-ketoacyl-CoA thiolase | Pseudomonas fragi | 
| P42765 | 3-ketoacyl-CoA thiolase, mitochondrial | Homo sapiens | 
| E9AW84 | 3-ketoacyl-CoA thiolase-like protein | Leishmania mexicana | 
| Q9RA02 | 3-ketosteroid dehydrogenase | Rhodococcus erythropolis | 
| Q8Z2A5 | 3-methyladenine DNA glycosylase I | Salmonella typhi | 
| Q46E78 | 3-methylornithine synthase | Methanosarcina barkeri | 
| P51857 | 3-oxo-5-beta-steroid 4-dehydrogenase | Homo sapiens | 
| Q9X0Q1 | 3-oxoacyl-(Acyl carrier protein) reductase | Thermotoga maritima | 
| O53665 | 3-oxoacyl-(Acyl-carrier-protein) reductase | Mycobacterium tuberculosis | 
| A6CQL2 | 3-oxoacyl-(Acyl-carrier-protein) reductase | Bacillus sp. SG-1 | 
| Q2FZ53 | 3-oxoacyl-(Acyl-carrier-protein) reductase, putative | Staphylococcus aureus | 
| Q8PDX2 | 3-oxoacyl-[ACP] synthase III | Xanthomonas campestris pv. campestris | 
| Q31QF3 | 3-oxoacyl-[acyl-carrier-protein] reductase | Synechococcus elongatus | 
| P35731 | 3-oxoacyl-[acyl-carrier-protein] reductase | Saccharomyces cerevisiae | 
| Q93X62 | 3-oxoacyl-[acyl-carrier-protein] reductase 1, chloroplastic | Brassica napus | 
| P0A953 | 3-oxoacyl-[acyl-carrier-protein] synthase 1 | Escherichia coli | 
| P0AAI5 | 3-oxoacyl-[acyl-carrier-protein] synthase 2 | Escherichia coli | 
| A4JL30 | 3-oxoacyl-[acyl-carrier-protein] synthase 2 | Burkholderia vietnamiensis   | 
| P0A6R0 | 3-oxoacyl-[acyl-carrier-protein] synthase 3 | Escherichia coli | 
| Q9KLJ3 | 3-oxoacyl-[acyl-carrier-protein] synthase 3 protein 2 | Vibrio cholerae serotype O1 | 
| I6Y8T4 | 3-oxoacyl-ACP synthase | Mycobacterium tuberculosis | 
| Q6PQJ9 | 3-oxo-Delta(4,5)-steroid 5-beta-reductase | Digitalis lanata | 
| Q0KBC8 | 3-oxo-tetronate kinase | Cupriavidus necator | 
| O15530 | 3-phosphoinositide-dependent protein kinase 1 | Homo sapiens | 
| P9WNH5 | 4,5:9,10-diseco-3-hydroxy-5,9,17-trioxoandrosta-1(10),2-diene-4-oate hydrolase | Mycobacterium tuberculosis | 
| Q5WPU9 | 43.2 kDa salivary protein | Lutzomyia longipalpis | 
| O59029 | 439aa long hypothetical malate oxidoreductase (NAD) [malic enzyme] | Pyrococcus horikoshii | 
| O58581 | 450aa long hypothetical fmu protein | Pyrococcus horikoshii | 
| O87172 | 4-alpha-glucanotransferase | Thermus thermophilus | 
| Q8GN86 | 4-chlorobenzoyl CoA ligase | Alcaligenes sp. AL3007 | 
| A5JTM5 | 4-chlorobenzoyl coenzyme A dehalogenase | Pseudomonas sp. | 
| O24146 | 4-coumarate-CoA ligase 2 | Nicotiana tabacum | 
| Q9ZGH0 | 4-dehydrase | Streptomyces venezuelae | 
| Q8FI04 | 4-diphosphocytidyl-2-C-methyl-D-erythritol kinase | Escherichia coli O6:H1 | 
| O67060 | 4-diphosphocytidyl-2-C-methyl-D-erythritol kinase | Aquifex aeolicus | 
| P62615 | 4-diphosphocytidyl-2-C-methyl-D-erythritol kinase | Escherichia coli | 
| P62623 | 4-hydroxy-3-methylbut-2-enyl diphosphate reductase | Escherichia coli | 
| P49235 | 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase 1, chloroplastic | Zea mays | 
| Q1XH05 | 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase 1b, chloroplastic | Triticum aestivum | 
| Q9FYS3 | 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase, chloroplastic | Secale cereale | 
| Q04416 | 4-hydroxybenzoyl-CoA thioesterase | Arthrobacter sp | 
| Q9RM86 | 4-Hydroxybutyrate CoA-transferase | Clostridium aminobutyricum | 
| P55792 | 4-hydroxybutyryl-CoA dehydratase/vinylacetyl-CoA-Delta-isomerase | Clostridium aminobutyricum | 
| Q8YHT7 | 4-hydroxyphenylacetate 3-monooxygenase | Brucella melitensis biotype 1 | 
| Q5SJP8 | 4-hydroxyphenylacetate 3-monooxygenase oxygenase component | Thermus thermophilus | 
| Q5SJP7 | 4-hydroxyphenylacetate 3-monooxygenase reductase component | Thermus thermophilus | 
| P32755 | 4-hydroxyphenylpyruvate dioxygenase | Rattus norvegicus | 
| Q53586 | 4-hydroxyphenylpyruvate dioxygenase | Streptomyces avermitilis | 
| P9WP23 | 4-hydroxy-tetrahydrodipicolinate reductase | Mycobacterium tuberculosis | 
| P39135 | 4'-phosphopantetheinyl transferase sfp | Bacillus subtilis | 
| Q5JIZ8 | 4-phosphopantoate-beta-alanine ligase | Thermococcus kodakarensis   | 
| Q9LYU4 | 4-substituted benzoates-glutamate ligase GH3.12 | Arabidopsis thaliana | 
| Q9NPB1 | 5'(3')-deoxyribonucleotidase, mitochondrial | Homo sapiens | 
| E4QP00 | 5-(hydroxymethyl)furfural oxidase | Methylovorus sp. | 
| Q58194 | 5,10-methenyltetrahydromethanopterin hydrogenase | Methanocaldococcus jannaschii | 
| P0AEZ1 | 5,10-methylenetetrahydrofolate reductase | Escherichia coli | 
| Q46FV4 | 5,10-methylenetetrahydromethanopterin reductase | Methanosarcina barkeri | 
| Q9FA38 | 5,6,7,8-tetrahydromethanopterin hydro-lyase | Methylobacterium extorquens | 
| Q92PC8 | 5,6-dimethylbenzimidazole synthase | Rhizobium meliloti | 
| Q58VP7 | 5,7-dihydroxy-2-methylchromone synthase | Aloe arborescens | 
| P18079 | 5-aminolevulinate synthase | Rhodobacter capsulatus | 
| P54646 | 5'-AMP-activated protein kinase catalytic subunit alpha-2 | Homo sapiens | 
| Q10343 | 5'-AMP-activated protein kinase subunit gamma | Schizosaccharomyces pombe | 
| P80385 | 5'-AMP-activated protein kinase subunit gamma-1 | Rattus norvegicus | 
| Q5SJP9 | 5-carboxymethyl-2-hydroxymuconate semialdehyde dehydrogenaseiheyensis HTE831] | Thermus thermophilus | 
| Q6Q386 | 5-cytosine DNA methyltransferase | Entamoeba histolytica | 
| P76491 | 5'-deoxynucleotidase YfbR | Escherichia coli | 
| Q70GK9 | 5'-fluoro-5'-deoxy-adenosine synthase | Streptomyces cattleya | 
| Q57600 | 5-formaminoimidazole-4-carboxamide-1-(beta)-D-ribofuranosyl 5'-monophosphate synthetase | Methanocaldococcus jannaschii | 
| P75430 | 5-formyltetrahydrofolate cyclo-ligase | Mycoplasma pneumoniae | 
| Q96CB9 | 5-methylcytosine rRNA methyltransferase NSUN4 | Homo sapiens | 
| Q46389 | 5-methyltetrahydrofolate:corrinoid/iron-sulfur protein co-methyltransferase | Moorella thermoacetica | 
| Q8ABD0 | 5-methyltetrahydrofolate-homocysteine methyltransferase | Bacteroides thetaiotaomicron | 
| Q9X112 | 5-methyltetrahydropteroyltriglutamate-homocysteine methyltransferase | Thermotoga maritima | 
| O50008 | 5-methyltetrahydropteroyltriglutamate-homocysteine methyltransferase 1 | Arabidopsis thaliana | 
| Q9X034 | 5-methylthioadenosine/S-adenosylhomocysteine deaminase | Thermotoga maritima | 
| Q7NZ90 | 5-methylthioadenosine/S-adenosylhomocysteine deaminase | Chromobacterium violaceum | 
| P0AF12 | 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase | Escherichia coli | 
| Q8DQ16 | 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase | Streptococcus pneumoniae | 
| Q9T0I8 | 5'-methylthioadenosine/S-adenosylhomocysteine nucleosidase 1 | Arabidopsis thaliana | 
| P21589 | 5'-nucleotidase | Homo sapiens | 
| P50861 | 6,7-dimethyl-8-ribityllumazine synthase | Saccharomyces cerevisiae | 
| P11998 | 6,7-dimethyl-8-ribityllumazine synthase | Bacillus subtilis | 
| Q6FXA8 | 6,7-dimethyl-8-ribityllumazine synthase | Candida glabrata | 
| Q57DY1 | 6,7-dimethyl-8-ribityllumazine synthase 1 | Brucella abortus biovar 1 | 
| Q8YGH2 | 6,7-dimethyl-8-ribityllumazine synthase 1 | Brucella melitensis biotype 1 | 
| P61711 | 6,7-dimethyl-8-ribityllumazine synthase 2 | Brucella abortus biovar 1 | 
| Q986N2 | 6,7-dimethyl-8-ribityllumazine synthase 2 | Rhizobium loti | 
| P0A6F5 | 60 kDa chaperonin | Escherichia coli | 
| Q00441 | 6-deoxyerythronolide B hydroxylase | Saccharopolyspora erythraea | 
| Q03131 | 6-deoxyerythronolide-B synthase EryA1, modules 1 and 2 | Saccharopolyspora erythraea | 
| Q93NH4 | 6-hydroxy-L-nicotine oxidase | Arthrobacter nicotinovorans | 
| Q88FY2 | 6-hydroxynicotinate 3-monooxygenase | Pseudomonas putida | 
| Q9X108 | 6-phospho-beta-glucosidase BglT | Thermotoga maritima | 
| P07953 | 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 1 | Rattus norvegicus | 
| P16118 | 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 1 | Homo sapiens | 
| Q16875 | 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 3 | Homo sapiens | 
| P25114 | 6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 4 | Rattus norvegicus | 
| P96789 | 6-phosphogluconate dehydrogenase, decarboxylating | Lactococcus lactis subsp. cremoris | 
| A3MU08 | 6-phosphogluconate dehydrogenase, NAD-binding protein | Pyrobaculum calidifontis | 
| P36639 | 7,8-dihydro-8-oxoguanine triphosphatase | Homo sapiens | 
| P08253 | 72 kDa type IV collagenase | Homo sapiens | 
| P11021 | 78 kDa glucose-regulated protein | Homo sapiens | 
| P0AET8 | 7-alpha-hydroxysteroid dehydrogenase | Escherichia coli | 
| G9FRD7 | 7-alpha-hydroxysteroid deydrogenase | Clostridium sardiniense | 
| Q8GS60 | 7-hydroxymethyl chlorophyll a reductase, chloroplastic | Arabidopsis thaliana | 
| Q9W197 | 7-methylguanosine phosphate-specific 5'-nucleotidase | Drosophila melanogaster | 
| A4GE69 | 7-methylxanthosine synthase 1 | Coffea canephora | 
| Q7L2J0 | 7SK snRNA methylphosphate capping enzyme | Homo sapiens | 
| Q8EEB1 | 8-amino-3,8-dideoxy-alpha-D-manno-octulosonate transaminase | Shewanella oneidensis | 
| Q97FM4 | 8-oxoguanine-DNA-glycosylase | Clostridium acetobutylicum | 
| A4YHC5 | AAA ATPase, central domain protein | Metallosphaera sedula | 
| Q6SJ71 | AAC(6')-Ib | Escherichia coli | 
| Q47764 | Aac(6')-Ii protein | Enterococcus faecium | 
| Q8RCC2 | ABC-type polar amino acid transport system, ATPase component | Caldanaerobacter subterraneus subsp. tengcongensis | 
| P42684 | Abelson tyrosine-protein kinase 2 | Homo sapiens | 
| Q8VZS8 | Abscisic acid receptor PYL1 | Arabidopsis thaliana | 
| Q8H1R0 | Abscisic acid receptor PYL10 | Arabidopsis thaliana | 
| O80992 | Abscisic acid receptor PYL2 | Arabidopsis thaliana | 
| Q9SSM7 | Abscisic acid receptor PYL3 | Arabidopsis thaliana | 
| Q84MC7 | Abscisic acid receptor PYL9 | Arabidopsis thaliana | 
| O49686 | Abscisic acid receptor PYR1 | Arabidopsis thaliana | 
| H0USY8 | aceDAF-12 | Ancylostoma ceylanicum | 
| Q52060 | Acetaldehyde dehydrogenase | Pseudomonas sp. | 
| Q8X5X6 | Acetate CoA-transferase YdiF | Escherichia coli O157:H7 | 
| P14697 | Acetoacetyl-CoA reductase | Cupriavidus necator | 
| O67135 | Acetoin utilization protein | Aquifex aeolicus | 
| P07342 | Acetolactate synthase catalytic subunit, mitochondrial | Saccharomyces cerevisiae | 
| Q4K6F7 | Acetolactate synthase II, large subunit | Pseudomonas fluorescens | 
| P27696 | Acetolactate synthase, catabolic | Klebsiella pneumoniae | 
| P17597 | Acetolactate synthase, chloroplastic | Arabidopsis thaliana | 
| Q8ZPC0 | Acetyl transferase | Salmonella typhimurium | 
| P58154 | Acetylcholine-binding protein | Lymnaea stagnalis | 
| P04058 | Acetylcholinesterase | Tetronarce californica | 
| P14611 | Acetyl-CoA acetyltransferase | Cupriavidus necator | 
| Q9BWD1 | Acetyl-CoA acetyltransferase, cytosolic | Homo sapiens | 
| P24752 | Acetyl-CoA acetyltransferase, mitochondrial | Homo sapiens | 
| Q00955 | Acetyl-CoA carboxylase | Saccharomyces cerevisiae | 
| O00763 | Acetyl-CoA carboxylase 2 | Homo sapiens | 
| P39058 | Acetyl-CoA-deacetylcephalosporin C acetyltransferase | Acremonium chrysogenum | 
| Q8ZKF6 | Acetyl-coenzyme A synthetase | Salmonella typhimurium | 
| Q71EW5 | Acetylene hydratase | Pelobacter acetylenicus | 
| Q9HTN2 | Acetylglutamate kinase | Pseudomonas aeruginosa | 
| Q9SCL7 | Acetylglutamate kinase, chloroplastic | Arabidopsis thaliana | 
| P40732 | Acetylornithine/succinyldiaminopimelate aminotransferase | Salmonella typhimurium | 
| Q48935 | Acetylpolyamine amidohydrolase | Mycoplana ramosa | 
| P46597 | Acetylserotonin O-methyltransferase | Homo sapiens | 
| P16966 | Acetyltransferase | Pseudomonas amygdali pv. tabaci | 
| Q92L60 | Acetyltransferase | Rhizobium meliloti | 
| O05581 | Acetyltransferase Pat | Mycobacterium tuberculosis | 
| P76539 | Acetyltransferase YpeA | Escherichia coli | 
| Q81Q99 | Acetyltransferase, GNAT family | Bacillus anthracis | 
| I6L8L2 | Achbp | Capitella teleta | 
| Q9BZP6 | Acidic mammalian chitinase | Homo sapiens | 
| P60045 | Acidic phospholipase A2 3 | Naja sagittifera | 
| Q54527 | Aclacinomycin 10-hydroxylase RdmB | Streptomyces purpurascens | 
| Q54528 | Aclacinomycin methylesterase RdmC | Streptomyces purpurascens | 
| Q0PCD7 | Aclacinomycin-N/aclacinomycin-A oxidase | Streptomyces galilaeus | 
| O92452 | AcMNPV orf92 | Bombyx mori nuclear polyhedrosis virus | 
| U3KRF0 | Acridone synthase | Citrus x microcarpa | 
| Q93AT8 | AcsD | Dickeya chrysanthemi | 
| G3CKA6 | Actin | Spodoptera frugiperda | 
| Q9KS45 | Actin cross-linking toxin VgrG1 | Vibrio cholerae serotype O1 | 
| P68135 | Actin, alpha skeletal muscle | Oryctolagus cuniculus | 
| P60712 | Actin, cytoplasmic 1 | Bos taurus | 
| P63270 | Actin, gamma-enteric smooth muscle | Gallus gallus | 
| Q4YU79 | Actin-2 | Plasmodium berghei | 
| P10987 | Actin-5C | Drosophila melanogaster | 
| A7MB62 | Actin-related protein 2 | Bos taurus | 
| P61157 | Actin-related protein 3 | Bos taurus | 
| P80428 | Actin-related protein 4 | Saccharomyces cerevisiae | 
| Q07912 | Activated CDC42 kinase 1 | Homo sapiens | 
| P11568 | Activator of (R)-2-hydroxyglutaryl-CoA dehydratase | Acidaminococcus fermentans | 
| P74295 | Activator of photopigment and puc expression | Synechocystis sp. | 
| Q04771 | Activin receptor type-1 | Homo sapiens | 
| Q53908 | ActVA 6 protein | Streptomyces coelicolor | 
| A6V1E4 | Acyl-[acyl-carrier-protein]-UDP-N-acetylglucosamine O-acyltransferase | Pseudomonas aeruginosa | 
| Q9YBQ2 | Acylamino-acid-releasing enzyme | Aeropyrum pernix | 
| Q5SGZ2 | Acyl-CoA dehydrogenase | Thermus thermophilus | 
| Q2T4A2 | Acyl-CoA dehydrogenase | Burkholderia thailandensis | 
| D2RL84 | Acyl-CoA dehydrogenase domain protein | Acidaminococcus fermentans | 
| G7CDN2 | Acyl-CoA dehydrogenase domain-containing protein | Mycobacterium thermoresistibile | 
| G7CNE7 | Acyl-CoA dehydrogenase FadE25 | Mycobacterium thermoresistibile | 
| I6YCA3 | Acyl-CoA dehydrogenase FadE26 | Mycobacterium tuberculosis | 
| Q9XWZ2 | Acyl-CoA dehydrogenase family member 11 | Caenorhabditis elegans | 
| Q06319 | Acyl-CoA dehydrogenase, short-chain specific | Megasphaera elsdenii | 
| P13516 | Acyl-CoA desaturase 1 | Mus musculus | 
| Q9KEQ1 | Acyl-CoA hydrolase | Bacillus halodurans | 
| Q81EE4 | Acyl-CoA hydrolase | Bacillus cereus | 
| B1L3C9 | Acyl-CoA synthetase (NDP forming) | Korarchaeum cryptofilum | 
| P0A8Z5 | Acyl-CoA thioester hydrolase YbgC | Escherichia coli O157:H7 | 
| Q8D151 | Acyl-CoA thioesterase II | Yersinia pestis | 
| Q8N6N7 | Acyl-CoA-binding domain-containing protein 7 | Homo sapiens | 
| Q5D8D3 | Acyl-coenzyme A oxidase | Solanum lycopersicum | 
| Q96329 | Acyl-coenzyme A oxidase 4, peroxisomal | Arabidopsis thaliana | 
| Q08AH3 | Acyl-coenzyme A synthetase ACSM2A, mitochondrial | Homo sapiens | 
| Q8WYK0 | Acyl-coenzyme A thioesterase 12 | Homo sapiens | 
| Q5T1C6 | Acyl-coenzyme A thioesterase THEM4 | Homo sapiens | 
| P15802 | Acyl-coenzyme A:6-aminopenicillanic-acid-acyltransferase 40 kDa form | Penicillium chrysogenum | 
| I7HB71 | Acylhomoserine lactonase | Chryseobacterium sp. StRB126 | 
| Q4VSJ8 | Acyl-homoserine-lactone synthase | Burkholderia glumae | 
| P03958 | Adenosine deaminase | Mus musculus | 
| A5KE01 | Adenosine deaminase, putative | Plasmodium vivax | 
| Q9TVW2 | Adenosine kinase | Toxoplasma gondii | 
| Q584S0 | Adenosine kinase, putative | Trypanosoma brucei brucei | 
| Q9BVA6 | Adenosine monophosphate-protein transferase FICD | Homo sapiens | 
| Q7DDR9 | Adenosine monophosphate-protein transferase NmFic | Neisseria meningitidis serogroup B | 
| Q8E9K5 | Adenosine monophosphate-protein transferase SoFic | Shewanella oneidensis | 
| E6Z0R3 | Adenosine monophosphate-protein transferase VbhT | Bartonella schoenbuchensis | 
| P29274 | Adenosine receptor A2a | Homo sapiens | 
| P10760 | Adenosylhomocysteinase | Rattus norvegicus | 
| Q3JY79 | Adenosylhomocysteinase | Burkholderia pseudomallei | 
| O51933 | Adenosylhomocysteinase | Thermotoga maritima | 
| P12995 | Adenosylmethionine-8-amino-7-oxononanoate aminotransferase | Escherichia coli | 
| O32393 | Adenylate cyclase | Arthrospira platensis | 
| P94182 | Adenylate cyclase | Anabaena sp | 
| Q7CH76 | Adenylate cyclase 2 | Yersinia pestis | 
| Q96PN6 | Adenylate cyclase type 10 | Homo sapiens | 
| P26769 | Adenylate cyclase type 2 | Rattus norvegicus | 
| Q5GHF7 | Adenylate isopentenyltransferase | Humulus lupulus | 
| P69441 | Adenylate kinase | Escherichia coli | 
| P07170 | Adenylate kinase | Saccharomyces cerevisiae | 
| Q7Z0H0 | Adenylate kinase 2 | Plasmodium falciparum | 
| P27144 | Adenylate kinase 4, mitochondrial | Homo sapiens | 
| P0A7D4 | Adenylosuccinate synthetase | Escherichia coli | 
| P28650 | Adenylosuccinate synthetase isozyme 1 | Mus musculus | 
| Q96529 | Adenylosuccinate synthetase, chloroplastic | Arabidopsis thaliana | 
| Q12657 | Adenylyl-sulfate kinase | Penicillium chrysogenum | 
| O28603 | Adenylylsulfate reductase, subunit A (AprA) | Archaeoglobus fulgidus | 
| P45799 | ADP compounds hydrolase NudE | Escherichia coli | 
| P94368 | ADP-dependent (S)-NAD(P)H-hydrate dehydratase | Bacillus subtilis | 
| Q7M537 | ADP-dependent glucokinase | Thermococcus litoralis | 
| Q9FK51 | ADP-glucose phosphorylase | Arabidopsis thaliana | 
| B5Z7L9 | ADP-L-glycero-D-mannoheptose-6-epimerase | Helicobacter pylori | 
| P67910 | ADP-L-glycero-D-manno-heptose-6-epimerase | Escherichia coli | 
| Q93K97 | ADP-ribose pyrophosphatase | Escherichia coli | 
| Q84CU3 | ADP-ribose pyrophosphatase | Thermus thermophilus | 
| Q6MIH8 | ADP-ribose pyrophosphatase | Bdellovibrio bacteriovorus | 
| P29241 | ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase | Aplysia californica | 
| P28907 | ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 | Homo sapiens | 
| Q10588 | ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 2 | Homo sapiens | 
| P14300 | ADP-ribosyl-[dinitrogen reductase] glycohydrolase | Rhodospirillum rubrum | 
| P84077 | ADP-ribosylation factor 1 | Homo sapiens | 
| P84079 | ADP-ribosylation factor 1 | Rattus norvegicus | 
| P11076 | ADP-ribosylation factor 1 | Saccharomyces cerevisiae | 
| C4LXL1 | ADP-ribosylation factor 1, putative | Entamoeba histolytica | 
| P62330 | ADP-ribosylation factor 6 | Homo sapiens | 
| Q9WUL7 | ADP-ribosylation factor-like protein 3 | Mus musculus | 
| Q96BM9 | ADP-ribosylation factor-like protein 8A | Homo sapiens | 
| Q8KNY0 | ADP-ribosyltransferase | Bacillus cereus | 
| Q9KH42 | ADP-ribosyltransferase enzymatic component | Peptoclostridium difficile | 
| Q9UKK9 | ADP-sugar pyrophosphatase | Homo sapiens | 
| P02592 | Aequorin-2 | Aequorea victoria | 
| P13035 | Aerobic glycerol-3-phosphate dehydrogenase | Escherichia coli | 
| O43488 | Aflatoxin B1 aldehyde reductase member 2 | Homo sapiens | 
| P38918 | Aflatoxin B1 aldehyde reductase member 3 | Rattus norvegicus | 
| O95154 | Aflatoxin B1 aldehyde reductase member 3 | Homo sapiens | 
| A4Q998 | AGAP005945-PA | Anopheles gambiae | 
| Q7PVS6 | AGAP009194-PA | Anopheles gambiae | 
| P18674 | Agglutinin alpha chain | Maclura pomifera | 
| O52646 | Aklanonic acid methyl ester cyclase AcmA | Streptomyces galilaeus | 
| Q54530 | Aklavinone 12-hydroxylase RdmE | Streptomyces purpurascens | 
| O28608 | Alanine dehydrogenase | Archaeoglobus fulgidus | 
| P9WQB1 | Alanine dehydrogenase | Mycobacterium tuberculosis | 
| Q65YW7 | Alanine racemase | Streptomyces lavendulae subsp. lavendulae | 
| P0A6B4 | Alanine racemase, biosynthetic | Escherichia coli | 
| P39641 | Alanine-anticapsin ligase | Bacillus subtilis | 
| P49588 | Alanine-tRNA ligase, cytoplasmic | Homo sapiens | 
| Q7W557 | Alcaligin biosynthesis protein | Bordetella parapertussis | 
| C0IR58 | Alclohol dehydrogenase/short-chain dehydrogenase | Ralstonia sp. DSMZ 6428 | 
| P10807 | Alcohol dehydrogenase | Drosophila lebanonensis | 
| Q9HTD9 | Alcohol dehydrogenase | Pseudomonas aeruginosa | 
| Q93RE9 | Alcohol dehydrogenase | Pseudogluconobacter saccharoketogenes | 
| Q8ZUP0 | Alcohol dehydrogenase (Zinc) | Pyrobaculum aerophilum | 
| P50578 | Alcohol dehydrogenase [NADP(+)] | Sus scrofa | 
| P26325 | Alcohol dehydrogenase 1 | Gadus morhua subsp. Callarias | 
| P00325 | Alcohol dehydrogenase 1B | Homo sapiens | 
| P00326 | Alcohol dehydrogenase 1C | Homo sapiens | 
| P0DJA2 | Alcohol dehydrogenase 2 | Zymomonas mobilis subsp. mobilis | 
| Q9QYY9 | Alcohol dehydrogenase 4 | Mus musculus | 
| P40394 | Alcohol dehydrogenase class 4 mu/sigma chain | Homo sapiens | 
| P11766 | Alcohol dehydrogenase class-3 | Homo sapiens | 
| Q96533 | Alcohol dehydrogenase class-3 | Arabidopsis thaliana | 
| P06525 | Alcohol dehydrogenase class-P | Arabidopsis thaliana | 
| P00327 | Alcohol dehydrogenase E chain | Equus caballus | 
| P39451 | Alcohol dehydrogenase, propanol-preferring | Escherichia coli | 
| F2QY27 | Alcohol oxidase 1 | Komagataella phaffii | 
| A9KN57 | Aldehyde Dehydrogenase | Clostridium phytofermentans | 
| Q92UV7 | Aldehyde dehydrogenase (NAD+) | Rhizobium meliloti | 
| W8SZG1 | Aldehyde dehydrogenase 2-6 | Zea mays subsp. mays | 
| C0PHD8 | Aldehyde dehydrogenase family 7 member B4 | Zea mays | 
| P96405 | Aldehyde dehydrogenase family protein | Mycobacterium tuberculosis | 
| Q28399 | Aldehyde dehydrogenase, cytosolic 1 | Elephantulus edwardii | 
| P11883 | Aldehyde dehydrogenase, dimeric NADP-preferring | Rattus norvegicus | 
| P30838 | Aldehyde dehydrogenase, dimeric NADP-preferring | Homo sapiens | 
| P20000 | Aldehyde dehydrogenase, mitochondrial | Bos taurus | 
| P05091 | Aldehyde dehydrogenase, mitochondrial | Homo sapiens | 
| Q8S532 | Aldehyde dehydrogenase3 | Zea mays | 
| H9JTG9 | Aldo-keto reductase AKR2E4 | Bombyx mori | 
| O60218 | Aldo-keto reductase family 1 member B10 | Homo sapiens | 
| Q04828 | Aldo-keto reductase family 1 member C1 | Homo sapiens | 
| Q8VC28 | Aldo-keto reductase family 1 member C13 | Mus musculus | 
| P52895 | Aldo-keto reductase family 1 member C2 | Homo sapiens | 
| Q91WR5 | Aldo-keto reductase family 1 member C21 | Mus musculus | 
| P42330 | Aldo-keto reductase family 1 member C3 | Homo sapiens | 
| P17516 | Aldo-keto reductase family 1 member C4 | Homo sapiens | 
| O80944 | Aldo-keto reductase family 4 member C8 | Arabidopsis thaliana | 
| P84193 | Aldos-2-ulose dehydratase | Phanerochaete chrysosporium | 
| P15121 | Aldose reductase | Homo sapiens | 
| Q5RJP0 | Aldose reductase-related protein 1 | Rattus norvegicus | 
| O08782 | Aldose reductase-related protein 2 | Cricetulus griseus | 
| Q9UM73 | ALK tyrosine kinase receptor | Homo sapiens | 
| A4IU28 | Alkane monoxygenase | Geobacillus thermodenitrificans | 
| P35340 | Alkyl hydroperoxide reductase subunit F | Escherichia coli | 
| O96759 | Alkyldihydroxyacetonephosphate synthase | Dictyostelium discoideum | 
| P97275 | Alkyldihydroxyacetonephosphate synthase, peroxisomal | Cavia porcellus | 
| B8CZ54 | Alpha amylase | Halothermothrix orenii | 
| A5VAT9 | Alpha/beta hydrolase fold | Sphingomonas wittichii | 
| D2J2T6 | Alpha/beta hydrolase fold protein | Ochrobactrum sp. T63 | 
| P27115 | Alpha-1,3-mannosyl-glycoprotein 2-beta-N-acetylglucosaminyltransferase | Oryctolagus cuniculus | 
| P19652 | Alpha-1-acid glycoprotein 2 | Homo sapiens | 
| Q15KI8 | Alpha-2,3/2,6-sialyltransferase/sialidase | Pasteurella multocida | 
| Q9LAK3 | Alpha-2,3-/2,8-sialyltransferase | Campylobacter jejuni | 
| P49419 | Alpha-aminoadipic semialdehyde dehydrogenase | Homo sapiens | 
| O33830 | Alpha-glucosidase | Thermotoga maritima | 
| Q9WZL1 | Alpha-glucosidase, putative | Thermotoga maritima | 
| D0VWY7 | Alpha-Glycerophosphate Oxidase | Streptococcus sp | 
| P08716 | Alpha-hemolysin translocation ATP-binding protein HlyB | Escherichia coli | 
| P05050 | Alpha-ketoglutarate-dependent dioxygenase AlkB | Escherichia coli | 
| Q9C0B1 | Alpha-ketoglutarate-dependent dioxygenase FTO | Homo sapiens | 
| Q9WYE2 | Alpha-L-fucosidase, putative | Thermotoga maritima | 
| A4Q8F7 | Alpha-N-acetylgalactosaminidase | Elizabethkingia meningoseptica | 
| P9WPF3 | Alpha-pyrone synthesis polyketide synthase-like Pks11 | Mycobacterium tuberculosis | 
| Q5P5I0 | Alpha-subunit of ethylbenzene dehydrogenase | Aromatoleum aromaticum | 
| Q5SQI0 | Alpha-tubulin N-acetyltransferase 1 | Homo sapiens | 
| Q6PH17 | Alpha-tubulin N-acetyltransferase 1 | Danio rerio | 
| P31434 | Alpha-xylosidase | Escherichia coli | 
| Q8YUQ7 | Alr2278 protein | Nostoc sp. | 
| Q8YQW3 | Alr3699 protein | Nostoc sp. | 
| Q8YNV6 | Alr4455 protein | Nostoc sp. | 
| P00497 | Amidophosphoribosyltransferase | Bacillus subtilis | 
| P0AG16 | Amidophosphoribosyltransferase | Escherichia coli | 
| P19801 | Amiloride-sensitive amine oxidase [copper-containing] | Homo sapiens | 
| P27338 | Amine oxidase [flavin-containing] B | Homo sapiens | 
| D0VWX4 | Amino acid ABC transporter | Geobacillus stearothermophilus | 
| Q89VT8 | Amino acid-[acyl-carrier-protein] ligase 1 | Bradyrhizobium diazoefficiens | 
| Q5FAK7 | Amino-acid acetyltransferase | Neisseria gonorrhoeae | 
| Q93YB2 | Aminoaldehyde dehydrogenase | Pisum sativum | 
| C0P9J6 | Aminoaldehyde dehydrogenase 1 | Zea mays | 
| P28305 | Aminodeoxychorismate lyase | Escherichia coli | 
| O24915 | Aminodeoxyfutalosine nucleosidase | Helicobacter pylori | 
| P9WQG9 | Aminoglycoside 2'-N-acetyltransferase | Mycobacterium tuberculosis | 
| P0A3Y5 | Aminoglycoside 3'-phosphotransferase | Enterococcus faecalis | 
| B0VD92 | Aminoglycoside 3'-phosphotransferase AphA1-IAB | Acinetobacter baumannii | 
| Q8GLI5 | Aminoglycoside 6-N-acetyltransferase type Ib11 | Salmonella typhimurium | 
| Q9R381 | Aminoglycoside N(6')-acetyltransferase type 1 | Salmonella enteritidis | 
| Q81P86 | Aminoglycoside N3-acetyltransferase | Bacillus anthracis | 
| Q9EVD7 | Aminoglycoside phosphotransferase | Enterococcus faecium | 
| Q53396 | Aminoglycoside-(3)-N-acetyltransferase | Serratia marcescens | 
| Q9WY54 | Aminomethyltransferase | Thermotoga maritima | 
| P27248 | Aminomethyltransferase | Escherichia coli | 
| P48728 | Aminomethyltransferase, mitochondrial | Homo sapiens | 
| A2V759 | Aminopeptidase | Aneurinibacillus sp. AM-1 | 
| P04825 | Aminopeptidase N | Escherichia coli | 
| Q9JYV4 | Aminopeptidase N | Neisseria meningitidis serogroup B | 
| P25052 | Aminopyrimidine aminohydrolase | Bacillus subtilis | 
| D0VX02 | Aminotransferase | [Eubacterium] rectale | 
| Q9ZQI7 | Aminotransferase ALD1, chloroplastic | Arabidopsis thaliana | 
| C7REB0 | Aminotransferase class I and II | Anaerococcus prevotii | 
| Q9S5Y7 | Aminotransferase DegT | Campylobacter jejuni | 
| B8ZYW1 | Ammonium transporter | Haloferax mediterranei | 
| Q93NW7 | AmphB | Streptomyces nodosus | 
| Q93NX9 | AmphI | Streptomyces nodosus | 
| C4NCB7 | AnaB | [Oscillatoria] sp. PCC 6506 | 
| Q0TTH1 | Anaerobic sulfatase-maturating enzyme | Clostridium perfringens | 
| P10275 | Androgen receptor | Homo sapiens | 
| Q02763 | Angiopoietin-1 receptor | Homo sapiens | 
| Q10714 | Angiotensin-converting enzyme | Drosophila melanogaster | 
| P12821 | Angiotensin-converting enzyme | Homo sapiens | 
| Q9BYF1 | Angiotensin-converting enzyme 2 | Homo sapiens | 
| Q9I5Q5 | Anhydro-N-acetylmuramic acid kinase | Pseudomonas aeruginosa | 
| P08758 | Annexin A5 | Homo sapiens | 
| M1SQA1 | AntE | Streptomyces sp. NRRL 2288 | 
| P51094 | Anthocyanidin 3-O-glucosyltransferase 2 | Vitis vinifera | 
| A4PHY4 | Anthocyanin malonyltransferase homolog | Chrysanthemum morifolium | 
| P9WFX5 | Anthranilate phosphoribosyltransferase | Mycobacterium tuberculosis | 
| P9WFX2 | Anthranilate synthase component 1 | Mycobacterium tuberculosis | 
| Q9X1C3 | Antibiotic ABC transporter, ATP-binding protein, putative | Thermotoga maritima | 
| Q4KTQ7 | Antiquitin | Acanthopagrus schlegelii | 
| O32727 | Anti-sigma F factor | Geobacillus stearothermophilus | 
| P01008 | Antithrombin-III | Homo sapiens | 
| Q06110 | Antitumor antibiotic C-1027 apoprotein | Streptomyces globisporus | 
| P35207 | Antiviral helicase SKI2 | Saccharomyces cerevisiae | 
| P24476 | Antiviral protein DAP-30 | Dianthus caryophyllus | 
| P10297 | Antiviral protein I | Phytolacca americana | 
| Q2M2I8 | AP2-associated protein kinase 1 | Homo sapiens | 
| O66548 | AP4A hydrolase | Aquifex aeolicus | 
| O68183 | APH(2'')-Id | Enterococcus casseliflavus | 
| P05090 | Apolipoprotein D | Homo sapiens | 
| P10415 | Apoptosis regulator Bcl-2 | Homo sapiens | 
| Q9Z0X1 | Apoptosis-inducing factor 1, mitochondrial | Mus musculus | 
| O14727 | Apoptotic protease-activating factor 1 | Homo sapiens | 
| Q53119 | AppA protein | Rhodobacter sphaeroides | 
| Q3J677 | AppA, antirepressor of ppsR, sensor of blue light | Rhodobacter sphaeroides | 
| O74859 | Aprataxin-like protein | Schizosaccharomyces pombe | 
| Q6VT83 | Ara h 8 allergen | Arachis hypogaea | 
| Q60AU8 | Arabinose 5-phosphate isomerase | Methylococcus capsulatus | 
| Q9HKL4 | Archaeal actin homolog | Thermoplasma acidophilum | 
| Q0PAC6 | Arginine decarboxylase | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| P51541 | Arginine kinase | Limulus polyphemus | 
| Q57U70 | Arginine N-methyltransferase, putative | Trypanosoma brucei brucei | 
| O59147 | Arginine-tRNA ligase | Pyrococcus horikoshii | 
| P59846 | Argininosuccinate synthase | Thermus thermophilus | 
| P0A6E4 | Argininosuccinate synthase | Escherichia coli | 
| P11511 | Aromatase | Homo sapiens | 
| P53090 | Aromatic/aminoadipate aminotransferase 1 | Saccharomyces cerevisiae | 
| P95468 | Aromatic-amino-acid aminotransferase | Paracoccus denitrificans | 
| C0JV69 | Arsenic methyltransferase | Cyanidioschyzon sp. 5508 | 
| Q7SIF4 | Arsenite oxidase subunit AioA | Alcaligenes faecalis | 
| Q98D42 | Arylamine N-acetyltransferase | Rhizobium loti | 
| Q97VT7 | Aryldialkylphosphatase | Sulfolobus solfataricus | 
| Q43758 | Ascorbate peroxidase | Glycine max | 
| P39301 | Ascorbate-specific PTS system EIIC component | Escherichia coli | 
| C4LWW8 | Asparaginyl-tRNA synthetase, putative | Entamoeba histolytica | 
| P00509 | Aspartate aminotransferase | Escherichia coli | 
| P00508 | Aspartate aminotransferase, mitochondrial | Gallus gallus | 
| Q385Q9 | Aspartate aminotransferase, mitochondrial | Trypanosoma brucei brucei | 
| P0A786 | Aspartate carbamoyltransferase catalytic subunit | Escherichia coli | 
| P0A7F3 | Aspartate carbamoyltransferase regulatory chain | Escherichia coli | 
| Q58801 | Aspartate carbamoyltransferase regulatory chain | Methanocaldococcus jannaschii | 
| E8Y329 | Aspartate carbamoyltransferase regulatory chain {ECO:0000256|HAMAP-Rule:MF_00002} | Escherichia coli | 
| P0A9Q9 | Aspartate-semialdehyde dehydrogenase | Escherichia coli | 
| Q51344 | Aspartate-semialdehyde dehydrogenase | Pseudomonas aeruginosa | 
| Q9KQG2 | Aspartate-semialdehyde dehydrogenase 1 | Vibrio cholerae serotype O1 | 
| P21889 | Aspartate-tRNA ligase | Escherichia coli | 
| O66766 | Aspartyl/glutamyl-tRNA(Asn/Gln) amidotransferase subunit B | Aquifex aeolicus | 
| P07584 | Astacin | Astacus astacus | 
| Q9VC57 | Atlastin | Drosophila melanogaster | 
| Q8WXF7 | Atlastin-1 | Homo sapiens | 
| Q5HSJ4 | ATP phosphoribosyltransferase | Campylobacter jejuni | 
| Q9X1U7 | ATP synthase subunit alpha | Thermotoga maritima | 
| P19483 | ATP synthase subunit alpha, mitochondrial | Bos taurus | 
| P00829 | ATP synthase subunit beta, mitochondrial | Bos taurus | 
| P10719 | ATP synthase subunit beta, mitochondrial | Rattus norvegicus | 
| Q12154 | ATPase GET3 | Saccharomyces cerevisiae | 
| P31473 | ATPase RavA | Escherichia coli | 
| Q8KF94 | ATPase, ParA family | Chlorobium tepidum | 
| P53396 | ATP-citrate synthase | Homo sapiens | 
| O15648 | ATP-dependent 6-phosphofructokinase | Trypanosoma brucei brucei | 
| P06999 | ATP-dependent 6-phosphofructokinase isozyme 2 | Escherichia coli | 
| O25926 | ATP-dependent Clp protease ATP-binding subunit ClpX | Helicobacter pylori | 
| P9WPQ5 | ATP-dependent dethiobiotin synthetase BioD | Mycobacterium tuberculosis | 
| O24872 | ATP-dependent dethiobiotin synthetase BioD | Helicobacter pylori | 
| O73946 | ATP-dependent DNA helicase Hel308 | Pyrococcus furiosus | 
| P46063 | ATP-dependent DNA helicase Q1 | Homo sapiens | 
| P15043 | ATP-dependent DNA helicase RecQ | Escherichia coli | 
| P23477 | ATP-dependent helicase/deoxyribonuclease subunit B | Bacillus subtilis | 
| Q96Y14 | ATP-dependent hexokinase | Sulfolobus tokodaii | 
| P02829 | ATP-dependent molecular chaperone HSP82 | Saccharomyces cerevisiae | 
| P0A6H5 | ATP-dependent protease ATPase subunit HslU | Escherichia coli | 
| P43773 | ATP-dependent protease ATPase subunit HslU | Haemophilus influenzae | 
| B6YU74 | ATP-dependent protease Lon | Thermococcus onnurineus | 
| Q9UMR2 | ATP-dependent RNA helicase DDX19B | Homo sapiens | 
| O00571 | ATP-dependent RNA helicase DDX3X | Homo sapiens | 
| P15424 | ATP-dependent RNA helicase MSS116, mitochondrial | Saccharomyces cerevisiae | 
| P09052 | ATP-dependent RNA helicase vasa, isoform A | Drosophila melanogaster | 
| Q9WZ49 | ATP-dependent zinc metalloprotease FtsH | Thermotoga maritima | 
| O67077 | ATP-dependent zinc metalloprotease FtsH | Aquifex aeolicus | 
| Q86QZ1 | A-type flavoprotein | Giardia intestinalis | 
| A8QW55 | Aureochrome1 | Vaucheria frigida | 
| O14965 | Aurora kinase A | Homo sapiens | 
| Q96GD4 | Aurora kinase B | Homo sapiens | 
| Q6DE08 | Aurora kinase B-A | Xenopus laevis | 
| P13689 | Auxin-binding protein 1 | Zea mays | 
| A7YYL1 | Avd protein | Xenopus tropicalis | 
| P02701 | Avidin | Gallus gallus | 
| Q12QS6 | Avidin/streptavidin | Shewanella denitrificans | 
| P56734 | Avidin-related protein 4/5 | Gallus gallus | 
| P00282 | Azurin | Pseudomonas aeruginosa | 
| E3E6L0 | Bacillolysin | Paenibacillus polymyxa | 
| Q01693 | Bacterial leucyl aminopeptidase | Vibrio proteolyticus | 
| Q9WYL7 | Bacterioferritin comigratory protein/NADH dehydrogenase | Thermotoga maritima | 
| Q13490 | Baculoviral IAP repeat-containing protein 2 | Homo sapiens | 
| Q96P09 | Baculoviral IAP repeat-containing protein 8 | Homo sapiens | 
| P24605 | Basic phospholipase A2 homolog 2 | Bothrops asper | 
| P58399 | Basic phospholipase A2 homolog piratoxin-1 | Bothrops pirajai | 
| P82287 | Basic phospholipase A2 homolog piratoxin-2 | Bothrops pirajai | 
| P59071 | Basic phospholipase A2 VRV-PL-VIIIa | Daboia russelii | 
| Q07817 | Bcl-2-like protein 1 | Homo sapiens | 
| P53563 | Bcl-2-like protein 1 | Rattus norvegicus | 
| Q16620 | BDNF/NT-3 growth factors receptor | Homo sapiens | 
| Q9F4L3 | Benzaldehyde lyase | Pseudomonas fluorescens | 
| P07771 | Benzoate 1,2-dioxygenase electron transfer component | Acinetobacter baylyi | 
| P20906 | Benzoylformate decarboxylase | Pseudomonas putida | 
| Q59096 | Benzyl alcohol dehydrogenase | Acinetobacter calcoaceticus | 
| Q5Z8S0 | Bet v I allergen-like | Oryza sativa subsp. japonica | 
| P0A988 | Beta sliding clamp | Escherichia coli | 
| P07700 | Beta-1 adrenergic receptor | Meleagris gallopavo | 
| P08037 | Beta-1,4-galactosyltransferase 1 | Bos taurus | 
| P07550 | Beta-2 adrenergic receptor | Homo sapiens | 
| P61769 | Beta-2-microglobulin | Homo sapiens | 
| P25098 | Beta-adrenergic receptor kinase 1 | Homo sapiens | 
| Q6KC22 | Beta-alanyl-CoA:ammonia lyase 2 | Clostridium propionicum | 
| P16098 | Beta-amylase | Hordeum vulgare | 
| A6BMJ3 | BetaC-S lyase | Streptococcus anginosus | 
| Q9AE70 | Beta-D-hydroxybutyrate dehydrogenase | Pseudomonas putida | 
| P15569 | Beta-elicitin cinnamomin | Phytophthora cinnamomi | 
| P15570 | Beta-elicitin cryptogein | Phytophthora cryptogea | 
| P00722 | Beta-galactosidase | Escherichia coli | 
| P15907 | Beta-galactoside alpha-2,6-sialyltransferase 1 | Homo sapiens | 
| P81446 | Beta-galactoside-specific lectin 1 | Viscum album | 
| Q6ITZ3 | Beta-galactoside-specific lectin 4 | Viscum album | 
| Q8T0W7 | Beta-glucosidase | Neotermes koshunensis | 
| P48825 | Beta-glucosidase 1 | Aspergillus aculeatus | 
| B8AVF0 | Beta-glucosidase 12 | Oryza sativa subsp. indica | 
| Q25BW5 | Beta-glucosidase 1A | Phanerochaete chrysosporium | 
| Q08638 | Beta-glucosidase A | Thermotoga maritima | 
| P05804 | Beta-glucuronidase | Escherichia coli | 
| Q9KU37 | Beta-hexosaminidase | Vibrio cholerae serotype O1 | 
| P21742 | Beta-hordothionin | Hordeum vulgare | 
| P56533 | Betaine aldehyde dehydrogenase | Gadus morhua subsp. callarias | 
| P17202 | Betaine aldehyde dehydrogenase, chloroplastic | Spinacia oleracea | 
| Q9L4P8 | Betaine-aldehyde dehydrogenase | Staphylococcus aureus | 
| Q2YQQ9 | Beta-ketoacyl synthase | Brucella abortus | 
| A0QUH3 | Beta-ketothiolase | Mycobacterium smegmatis 155 | 
| Q79MP6 | Beta-lactamase | Pseudomonas aeruginosa | 
| P00811 | Beta-lactamase | Escherichia coli | 
| Q9L5C8 | Beta-lactamase | Escherichia coli | 
| Q9K2N0 | Beta-lactamase class B VIM-2 | Pseudomonas aeruginosa | 
| P49610 | Beta-N-acetylhexosaminidase | Streptococcus pneumoniae serotype 4 | 
| Q52VH2 | Beta-peptidyl aminopeptidase BapA | Sphingosinicella xenopeptidilytica | 
| H8WR05 | Beta-phenylalanine transaminase | Variovorax paradoxus | 
| P56817 | Beta-secretase 1 | Homo sapiens | 
| Q9Y5Z0 | Beta-secretase 2 | Homo sapiens | 
| A3EYF7 | Beta-transaminase | Mesorhizobium sp. LUK | 
| Q9KCP9 | BH1520 protein | Bacillus halodurans | 
| Q9K9P3 | BH2602 protein | Bacillus halodurans | 
| Q9FCA6 | Biflaviolin synthase CYP158A2 | Streptomyces coelicolor  / M145 | 
| O43252 | Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthase 1 | Homo sapiens | 
| O95340 | Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthase 2 | Homo sapiens | 
| P0A0C1 | Bifunctional AAC/APH | Staphylococcus aureus | 
| Q05599 | Bifunctional adenosylcobalamin biosynthesis protein CobU | Salmonella typhimurium | 
| Q9DBL7 | Bifunctional coenzyme A synthase | Mus musculus | 
| B0F481 | Bifunctional dethiobiotin synthetase/7,8-diamino-pelargonic acid aminotransferase, mitochondrial | Arabidopsis thaliana | 
| P13922 | Bifunctional dihydrofolate reductase-thymidylate synthase | Plasmodium falciparum | 
| Q27552 | Bifunctional dihydrofolate reductase-thymidylate synthase | Cryptosporidium parvum | 
| P9WNM5 | Bifunctional enzyme CysN/CysC | Mycobacterium tuberculosis | 
| P34914 | Bifunctional epoxide hydrolase 2 | Mus musculus | 
| P34913 | Bifunctional epoxide hydrolase 2 | Homo sapiens | 
| P07814 | Bifunctional glutamate/proline-tRNA ligase | Homo sapiens | 
| P0AES0 | Bifunctional glutathionylspermidine synthetase/amidase | Escherichia coli | 
| P0DKX7 | Bifunctional hemolysin/adenylate cyclase | Bordetella pertussis | 
| P06709 | Bifunctional ligase/repressor BirA | Escherichia coli | 
| Q55928 | Bifunctional NMN adenylyltransferase/Nudix hydrolase | Synechocystis sp. | 
| P77398 | Bifunctional polymyxin resistance protein ArnA | Escherichia coli | 
| Q9JLV6 | Bifunctional polynucleotide phosphatase/kinase | Mus musculus | 
| Q05213 | Bifunctional protein FolD | Thermoplasma acidophilum | 
| Q0PA35 | Bifunctional protein FolD | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| P04397 | Bifunctional protein GAL10 | Saccharomyces cerevisiae | 
| P0ACC7 | Bifunctional protein GlmU | Escherichia coli | 
| P9WMN3 | Bifunctional protein GlmU | Mycobacterium tuberculosis | 
| P55818 | Bifunctional protein MdtA | Methylobacterium extorquens | 
| Q89E26 | Bifunctional protein PutA | Bradyrhizobium diazoefficiens | 
| Q746X3 | Bifunctional protein PutA | Geobacter sulfurreducens | 
| P09546 | Bifunctional protein PutA | Escherichia coli | 
| P41007 | Bifunctional protein PyrR | Bacillus caldolyticus | 
| P31335 | Bifunctional purine biosynthesis protein PURH | Gallus gallus | 
| Q9Y223 | Bifunctional UDP-N-acetylglucosamine 2-epimerase/N-acetylmannosamine kinase | Homo sapiens | 
| Q62735 | Bile acid receptor | Rattus norvegicus | 
| Q06520 | Bile salt sulfotransferase | Homo sapiens | 
| P09464 | Bilin-binding protein | Pieris brassicae | 
| P46844 | Biliverdin reductase A | Rattus norvegicus | 
| Q86PT9 | Biogenic amine-binding protein | Rhodnius prolixus | 
| D3T7F1 | Biotin and thiamin synthesis associated | Thermoanaerobacter italicus | 
| P24182 | Biotin carboxylase | Escherichia coli | 
| A2RMJ9 | Biotin transporter BioY | Lactococcus lactis subsp. cremoris | 
| E7FJB9 | Biphenyl dioxygenase ferredoxin reductase subunit | Acidovorax sp. KKS102 | 
| P17297 | Biphenyl-2,3-diol 1,2-dioxygenase | Pseudomonas sp. | 
| P49789 | Bis(5'-adenosyl)-triphosphatase | Homo sapiens | 
| Q53796 | Bleomycin acetyltransferase | Streptomyces verticillus | 
| Q89U61 | Bll1558 protein | Bradyrhizobium diazoefficiens | 
| P54132 | Bloom syndrome protein | Homo sapiens | 
| O34627 | Blue-light photoreceptor | Bacillus subtilis | 
| Q3IYE4 | Blue-light receptor of the BLUF-family | Rhodobacter sphaeroides | 
| Q8YC53 | Blue-light-activated histidine kinase | Brucella melitensis biotype 1 | 
| Q2YKK7 | Blue-light-activated histidine kinase | Brucella abortus | 
| Q2NB77 | Blue-light-activated histidine kinase 2 | Erythrobacter litoralis | 
| Q9NSY1 | BMP-2-inducible protein kinase | Homo sapiens | 
| P10845 | Botulinum neurotoxin type A | Clostridium botulinum | 
| A5HZZ9 | Botulinum neurotoxin type A | Clostridium botulinum | 
| P10844 | Botulinum neurotoxin type B | Clostridium botulinum | 
| Q5SM19 | Branched-chain amino acid aminotransferase (IlvE) | Thermus thermophilus | 
| Q4WH08 | Branched-chain amino acid aminotransferase, putative | Neosartorya fumigata | 
| P54687 | Branched-chain-amino-acid aminotransferase, cytosolic | Homo sapiens | 
| O15382 | Branched-chain-amino-acid aminotransferase, mitochondrial | Homo sapiens | 
| Q94F62 | brassinosteroid insensitive 1-associated receptor kinase 1 | Arabidopsis thaliana | 
| Q9UIF8 | Bromodomain adjacent to zinc finger domain protein 2B | Homo sapiens | 
| Q8I240 | Bromodomain protein, putative | Plasmodium falciparum | 
| Q58F21 | Bromodomain testis-specific protein | Homo sapiens | 
| P25440 | Bromodomain-containing protein 2 | Homo sapiens | 
| O60885 | Bromodomain-containing protein 4 | Homo sapiens | 
| Q9H8M2 | Bromodomain-containing protein 9 | Homo sapiens | 
| G2IN91 | C alpha-dehydrogenase | Sphingobium sp. SYK-6 | 
| P11586 | C-1-tetrahydrofolate synthase, cytoplasmic | Homo sapiens | 
| Q57WP0 | C-1-tetrahydrofolate synthase, cytoplasmic, putative | Trypanosoma brucei brucei | 
| Q8KGE0 | C-20 methyltransferase | Chlorobium tepidum | 
| C9V488 | Ca2+-triggered coelenterazine-binding protein 1 | Renilla muelleri | 
| Q4WPS9 | CaaX farnesyltransferase beta subunit Ram1 | Neosartorya fumigata | 
| P28002 | Caffeic acid 3-O-methyltransferase | Medicago sativa | 
| Q9ZTU2 | Caffeic acid O-methyltransferase | Lolium perenne | 
| Q40313 | Caffeoyl-CoA O-methyltransferase | Medicago sativa | 
| Q7BK04 | Cag alpha | Helicobacter pylori | 
| Q5CS01 | Calcium/calmodulin dependent protein kinase with a kinase domain and 4 calmodulin like EF hands | Cryptosporidium parvum | 
| Q96RR4 | Calcium/calmodulin-dependent protein kinase kinase 2 | Homo sapiens | 
| Q14012 | Calcium/calmodulin-dependent protein kinase type 1 | Homo sapiens | 
| Q8IU85 | Calcium/calmodulin-dependent protein kinase type 1D | Homo sapiens | 
| Q96NX5 | Calcium/calmodulin-dependent protein kinase type 1G | Homo sapiens | 
| Q9UQM7 | Calcium/calmodulin-dependent protein kinase type II subunit alpha | Homo sapiens | 
| Q13554 | Calcium/calmodulin-dependent protein kinase type II subunit beta | Homo sapiens | 
| Q13557 | Calcium/calmodulin-dependent protein kinase type II subunit delta | Homo sapiens | 
| Q5CZ29 | Calcium/calmodulin-dependent protein kinase with a kinase domain and 2 calmodulin-like EF hands | Cryptosporidium parvum | 
| O15865 | Calcium-dependent protein kinase 2 | Plasmodium falciparum | 
| B6CAM1 | Calcium-transporting ATPase | Oryctolagus cuniculus | 
| Q8KNE0 | CalG2 | Micromonospora echinospora | 
| P62157 | Calmodulin | Bos taurus | 
| Q9BJF5 | Calmodulin-domain protein kinase 1 | Toxoplasma gondii | 
| A3FQ16 | Calmodulin-domain protein kinase 1, putative | Cryptosporidium parvum | 
| Q3HNM4 | Calmodulin-like domain protein kinase | Eimeria tenella | 
| F0V9W9 | Calmodulin-like domain protein kinase isoenzyme gamma, related | Neospora caninum | 
| Q3HNM6 | Calmodulin-like domain protein kinase isoform 3 | Toxoplasma gondii | 
| Q8KNE5 | CalO1 | Micromonospora echinospora | 
| O14815 | Calpain-9 | Homo sapiens | 
| Q8KNF1 | CalS11 | Micromonospora echinospora | 
| Q8KND8 | CalS13 | Micromonospora echinospora | 
| Q8KNF6 | CalS8 | Micromonospora echinospora | 
| Q9QYJ6 | cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A | Rattus norvegicus | 
| Q9Y233 | cAMP and cAMP-inhibited cGMP 3',5'-cyclic phosphodiesterase 10A | Homo sapiens | 
| P0ACJ8 | cAMP-activated global transcriptional regulator CRP | Escherichia coli | 
| P05132 | cAMP-dependent protein kinase catalytic subunit alpha | Mus musculus | 
| P36887 | cAMP-dependent protein kinase catalytic subunit alpha | Sus scrofa | 
| P07278 | cAMP-dependent protein kinase regulatory subunit | Saccharomyces cerevisiae | 
| P00514 | cAMP-dependent protein kinase type I-alpha regulatory subunit | Bos taurus | 
| P12369 | cAMP-dependent protein kinase type II-beta regulatory subunit | Rattus norvegicus | 
| P00183 | Camphor 5-monooxygenase | Pseudomonas putida | 
| P27815 | cAMP-specific 3',5'-cyclic phosphodiesterase 4A | Homo sapiens | 
| Q07343 | cAMP-specific 3',5'-cyclic phosphodiesterase 4B | Homo sapiens | 
| Q08499 | cAMP-specific 3',5'-cyclic phosphodiesterase 4D | Homo sapiens | 
| P32951 | Candidapepsin-1 | Candida parapsilosis | 
| P0CS83 | Candidapepsin-2 | Candida albicans | 
| P95708 | Cap5O | Staphylococcus aureus | 
| P07617 | Cap-specific mRNA (nucleoside-2'-O-)-methyltransferase | Vaccinia virus    | 
| Q8N1G2 | Cap-specific mRNA (nucleoside-2'-O-)-methyltransferase 1 | Homo sapiens | 
| Q57265 | Capsule biosynthesis protein | Neisseria meningitidis | 
| A8BB85 | Carbamate kinase | Giardia intestinalis | 
| P00968 | Carbamoyl-phosphate synthase large chain | Escherichia coli | 
| Q8RDB0 | Carbamoyltransferase | Caldanaerobacter subterraneus subsp. tengcongensis | 
| Q9XB61 | Carbapenam-3-carboxylate synthase | Pectobacterium carotovorum subsp. carotovorum | 
| Q5JDA3 | Carbohydrate/pyrimidine kinase, PfkB family | Thermococcus kodakarensis   | 
| P19914 | Carbon monoxide dehydrogenase medium chain | Hydrogenophaga pseudoflava | 
| E8T502 | Carbonate dehydratase | Thermovibrio ammonificans | 
| C1DTU5 | Carbonic anhydrase (Carbonate dehydratase) | Sulfurihydrogenibium azorense | 
| P00915 | Carbonic anhydrase 1 | Homo sapiens | 
| O43570 | Carbonic anhydrase 12 | Homo sapiens | 
| Q8N1Q1 | Carbonic anhydrase 13 | Homo sapiens | 
| Q9WVT6 | Carbonic anhydrase 14 | Mus musculus | 
| P00918 | Carbonic anhydrase 2 | Homo sapiens | 
| P22748 | Carbonic anhydrase 4 | Homo sapiens | 
| P23589 | Carbonic anhydrase 5A, mitochondrial | Mus musculus | 
| P43166 | Carbonic anhydrase 7 | Homo sapiens | 
| Q16790 | Carbonic anhydrase 9 | Homo sapiens | 
| Q39588 | Carbonic anhydrase, alpha type | Chlamydomonas reinhardtii | 
| Q28960 | Carbonyl reductase [NADPH] 1 | Sus scrofa | 
| P16152 | Carbonyl reductase [NADPH] 1 | Homo sapiens | 
| P08074 | Carbonyl reductase [NADPH] 2 | Mus musculus | 
| O75828 | Carbonyl reductase [NADPH] 3 | Homo sapiens | 
| P0DJQ7 | Carboxyethyl-arginine beta-lactam-synthase | Streptomyces clavuligerus | 
| O28735 | Carboxylesterase (Est-2) | Archaeoglobus fulgidus | 
| P00730 | Carboxypeptidase A1 | Bos taurus | 
| P09955 | Carboxypeptidase B | Sus scrofa | 
| C3T5M2 | Carboxy-S-adenosyl-L-methionine synthase | Escherichia coli | 
| Q9GZU7 | Carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 1 | Homo sapiens | 
| Q06528 | Carminomycin 4-O-methyltransferase DnrK | Streptomyces peucetius | 
| P47934 | Carnitine O-acetyltransferase | Mus musculus | 
| P18886 | Carnitine O-palmitoyltransferase 2, mitochondrial | Rattus norvegicus | 
| Q9KHT9 | Carnitine transport ATP-binding protein OpuCA | Listeria monocytogenes | 
| P35444 | Cartilage oligomeric matrix protein | Rattus norvegicus | 
| P40233 | Casein kinase I homolog 1 | Schizosaccharomyces pombe | 
| P48730 | Casein kinase I isoform delta | Homo sapiens | 
| P49674 | Casein kinase I isoform epsilon | Homo sapiens | 
| Q9HCP0 | Casein kinase I isoform gamma-1 | Homo sapiens | 
| P78368 | Casein kinase I isoform gamma-2 | Homo sapiens | 
| Q9Y6M4 | Casein kinase I isoform gamma-3 | Homo sapiens | 
| P28523 | Casein kinase II subunit alpha | Zea mays | 
| P19784 | Casein kinase II subunit alpha' | Homo sapiens | 
| P42575 | Caspase-2 | Homo sapiens | 
| P42574 | Caspase-3 | Homo sapiens | 
| P55212 | Caspase-6 | Homo sapiens | 
| P55210 | Caspase-7 | Homo sapiens | 
| C3SQJ7 | Catabolite expression activator | Escherichia coli | 
| P04040 | Catalase | Homo sapiens | 
| Q0S9X1 | Catechol 2,3-dioxygenase | Rhodococcus jostii | 
| P22734 | Catechol O-methyltransferase | Rattus norvegicus | 
| Q8MNY2 | Cathepsin B-like peptidase (C01 family) | Schistosoma mansoni | 
| P08311 | Cathepsin G | Homo sapiens | 
| P07711 | Cathepsin L1 | Homo sapiens | 
| P25774 | Cathepsin S | Homo sapiens | 
| P00760 | Cationic trypsin | Bos taurus | 
| D0KZ75 | CbbQ/NirQ/NorQ domain protein | Halothiobacillus neapolitanus | 
| Q93VD3 | CBL-interacting serine/threonine-protein kinase 23 | Arabidopsis thaliana | 
| Q82SE2 | CBS domain | Nitrosomonas europaea | 
| O28126 | CCA-adding enzyme | Archaeoglobus fulgidus | 
| E9JES0 | CcbJ | Streptomyces caelestis | 
| Q96LI5 | CCR4-NOT transcription complex subunit 6-like | Homo sapiens | 
| Q9TTF5 | CD38 molecule | Bos taurus | 
| Q5CRJ8 | Cdc2-like CDK2/CDC28 like protein kinase | Cryptosporidium parvum | 
| Q57329 | CDP-D-glucose-4,6-dehydratase | Yersinia pseudotuberculosis | 
| P26397 | CDP-glucose 4,6-dehydratase | Salmonella typhimurium | 
| P14169 | CDP-paratose 2-epimerase | Salmonella typhi | 
| P30429 | Cell death protein 4 | Caenorhabditis elegans | 
| Q07785 | Cell division control protein 2 homolog | Plasmodium falciparum | 
| P60953 | Cell division control protein 42 homolog | Homo sapiens | 
| O00311 | Cell division cycle 7-related protein kinase | Homo sapiens | 
| Q9P7N5 | Cell division cycle protein 123 | Schizosaccharomyces pombe | 
| Q9WZU0 | Cell division protein FtsA | Thermotoga maritima | 
| O80842 | Cell division protein FtsY homolog, chloroplastic | Arabidopsis thaliana | 
| O66809 | Cell division protein FtsZ | Aquifex aeolicus | 
| Q8KNP3 | Cell division protein FtsZ | Bacillus thuringiensis subsp. israelensis | 
| Q57816 | Cell division protein FtsZ 1 | Methanocaldococcus jannaschii | 
| A9XK88 | Cellobiose dehydrogenase | Myriococcum thermophilum | 
| O66264 | Cellobiose Phosphorylase | Cellulomonas gilvus | 
| P62965 | Cellular retinoic acid-binding protein 1 | Mus musculus | 
| P62964 | Cellular retinoic acid-binding protein 1 | Bos taurus | 
| P29373 | Cellular retinoic acid-binding protein 2 | Homo sapiens | 
| Q8UVG6 | Cellular retinol-binding protein type II | Danio rerio | 
| P04637 | Cellular tumor antigen p53 | Homo sapiens | 
| O85726 | Cephalosporin hydroxylase CmcI | Streptomyces clavuligerus | 
| Q922S4 | cGMP-dependent 3',5'-cyclic phosphodiesterase | Mus musculus | 
| O00408 | cGMP-dependent 3',5'-cyclic phosphodiesterase | Homo sapiens | 
| Q13976 | cGMP-dependent protein kinase 1 | Homo sapiens | 
| Q13237 | cGMP-dependent protein kinase 2 | Homo sapiens | 
| A5K0N4 | cGMP-dependent protein kinase, putative | Plasmodium vivax | 
| Q13370 | cGMP-inhibited 3',5'-cyclic phosphodiesterase B | Homo sapiens | 
| O76074 | cGMP-specific 3',5'-cyclic phosphodiesterase | Homo sapiens | 
| Q40309 | Chalcone reductase | Medicago sativa | 
| P30074 | Chalcone synthase 2 | Medicago sativa | 
| P28012 | Chalcone-flavonone isomerase 1 | Medicago sativa | 
| Q4WZ70 | Chanoclavine-I aldehyde reductase easA | Neosartorya fumigata | 
| Q9RA63 | Chaperone protein ClpB | Thermus thermophilus | 
| P0A6Y8 | Chaperone protein DnaK | Escherichia coli | 
| P0A6Z3 | Chaperone protein HtpG | Escherichia coli | 
| Q877G8 | Chaperonin | Methanococcus maripaludis | 
| Q56310 | Chemotaxis protein CheA | Thermotoga maritima | 
| P07801 | Chemotaxis protein methyltransferase | Salmonella typhimurium | 
| Q54276 | Chitinase | Serratia marcescens | 
| Q9AMP1 | Chitinase A | Vibrio harveyi | 
| P11797 | Chitinase B | Serratia marcescens | 
| Q56148 | Chloramphenicol 3-O phosphotransferase | Streptomyces venezuelae | 
| P62577 | Chloramphenicol acetyltransferase | Escherichia coli | 
| P07371 | Chlorophyll a-b binding protein AB80, chloroplastic | Pisum sativum | 
| F2Z293 | Chlorophyll a-b binding protein, chloroplastic | Spinacia oleracea | 
| Q9Y6A2 | Cholesterol 24-hydroxylase | Homo sapiens | 
| P12676 | Cholesterol oxidase | Streptomyces sp. | 
| Q8IM71 | Choline kinase | Plasmodium falciparum | 
| P35790 | Choline kinase alpha | Homo sapiens | 
| P28329 | Choline O-acetyltransferase | Homo sapiens | 
| P19836 | Choline-phosphate cytidylyltransferase A | Rattus norvegicus | 
| P06276 | Cholinesterase | Homo sapiens | 
| Q5EK40 | Cholix toxin | Vibrio cholerae | 
| P54965 | Choloylglycine hydrolase | Clostridium perfringens | 
| Q8L0V4 | Chondroitin synthase | Escherichia coli | 
| P19080 | Chorismate mutase AroH | Bacillus subtilis | 
| P26602 | Chorismate pyruvate-lyase | Escherichia coli | 
| P0A2Y6 | Chorismate synthase | Streptococcus pneumoniae serotype 4 | 
| P9WPY1 | Chorismate synthase | Mycobacterium tuberculosis | 
| B0JDW3 | Chromate reductase | Thermus scotoductus | 
| Q8VDS3 | Chromobox protein homolog 7 | Mus musculus | 
| O66659 | Chromosomal replication initiator protein DnaA | Aquifex aeolicus | 
| P33174 | Chromosome-associated kinesin KIF4 | Mus musculus | 
| P23946 | Chymase | Homo sapiens | 
| P00766 | Chymotrypsinogen A | Bos taurus | 
| Q5SHB0 | CinA-like protein | Thermus thermophilus | 
| Q8VQF4 | Cindoxin | Citrobacter braakii | 
| O49482 | Cinnamyl alcohol dehydrogenase 5 | Arabidopsis thaliana | 
| Q79PF4 | Circadian clock protein kinase KaiC | Synechococcus elongatus | 
| P47227 | Cis-2,3-dihydrobiphenyl-2,3-diol dehydrogenase | Burkholderia xenovorans | 
| Q46381 | Cis-2,3-dihydrobiphenyl-2,3-diol dehydrogenase | Comamonas testosteroni | 
| Q53554 | Citrate synthase | Pyrococcus furiosus | 
| P21553 | Citrate synthase | Thermoplasma acidophilum | 
| P23007 | Citrate synthase, mitochondrial | Gallus gallus | 
| Q9LLQ2 | Class 10 plant pathogenesis-related protein | Lupinus luteus | 
| Q540U1 | Class B acid phosphatase | Salmonella typhimurium | 
| P0AE22 | Class B acid phosphatase | Escherichia coli | 
| B0Y2Y2 | Class III chitinase ChiA1 | Neosartorya fumigata | 
| Q00610 | Clathrin heavy chain 1 | Homo sapiens | 
| Q9LCV7 | Clavaldehyde dehydrogenase | Streptomyces clavuligerus | 
| Q05581 | Clavaminate synthase 1 | Streptomyces clavuligerus | 
| Q7B8P6 | CmeR | Campylobacter jejuni | 
| B4Y381 | CMP/hydroxymethyl CMP hydrolase | Streptomyces rimofaciens | 
| P72097 | CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase | Neisseria meningitidis serogroup B | 
| Q02745 | CMP-N-acetylneuraminate-beta-galactosamide-alpha-2,3-sialyltransferase 1 | Sus scrofa | 
| Q3ACS5 | CO dehydrogenase/acetyl-CoA synthase complex, accessory protein CooC | Carboxydothermus hydrogenoformans | 
| P08709 | Coagulation factor VII | Homo sapiens | 
| P00742 | Coagulation factor X | Homo sapiens | 
| P03951 | Coagulation factor XI | Homo sapiens | 
| P31570 | Cob(I)yrinic acid a,c-diamide adenosyltransferase | Salmonella typhimurium | 
| Q96EY8 | Cob(I)yrinic acid a,c-diamide adenosyltransferase, mitochondrial | Homo sapiens | 
| O29536 | Cobalamin biosynthesis precorrin-6Y methylase (CbiE) | Archaeoglobus fulgidus | 
| O87696 | Cobalt-precorrin-4 C(11)-methyltransferase | Bacillus megaterium | 
| P0ABQ0 | Coenzyme A biosynthesis bifunctional protein CoaBC | Escherichia coli | 
| O52582 | Coenzyme A disulfide reductase | Staphylococcus aureus | 
| Q81UT5 | Coenzyme A disulfide reductase | Bacillus anthracis | 
| O58308 | Coenzyme A disulfide reductase | Pyrococcus horikoshii | 
| P9WP79 | Coenzyme F420:L-glutamate ligase | Mycobacterium tuberculosis | 
| Q9Y5P4 | Collagen type IV alpha-3-binding protein | Homo sapiens | 
| P45452 | Collagenase 3 | Homo sapiens | 
| A6XNE6 | Coniferyl alcohol 9-O-methyltransferase | Linum nodiflorum | 
| Q4JA33 | Conserved Archaeal protein | Sulfolobus acidocaldarius | 
| Q4J9L0 | Conserved Archaeal protein | Sulfolobus acidocaldarius | 
| Q8GGP1 | Conserved hypthetical protein | Streptomyces atroolivaceus | 
| O27779 | Conserved protein | Methanothermobacter thermautotrophicus | 
| Q8PVV4 | Conserved protein | Methanosarcina mazei | 
| Q97UU7 | Copper-transporting ATPase | Sulfolobus solfataricus | 
| Q04656 | Copper-transporting ATPase 1 | Homo sapiens | 
| O75367 | Core histone macro-H2A.1 | Homo sapiens | 
| O04197 | Coronatine-insensitive protein 1 | Arabidopsis thaliana | 
| Q6QLL4 | Corticosteroid 11-beta-dehydrogenase isozyme 1 | Cavia porcellus | 
| P28845 | Corticosteroid 11-beta-dehydrogenase isozyme 1 | Homo sapiens | 
| P31211 | Corticosteroid-binding globulin | Rattus norvegicus | 
| P08185 | Corticosteroid-binding globulin | Homo sapiens | 
| P34998 | Corticotropin-releasing factor receptor 1 | Homo sapiens | 
| Q92793 | CREB-binding protein | Homo sapiens | 
| Q8U1S6 | CRISPR system Cmr subunit Cmr2 | Pyrococcus furiosus | 
| C5AP81 | Crotonyl-CoA carboxylase/reductase | Methylobacterium extorquens | 
| P9WMH3 | CRP-like cAMP-activated global transcriptional regulator | Mycobacterium tuberculosis | 
| P25779 | Cruzipain | Trypanosoma cruzi | 
| P77967 | Cryptochrome DASH | Synechocystis sp. | 
| Q84KJ5 | Cryptochrome DASH, chloroplastic/mitochondrial | Arabidopsis thaliana | 
| Q43125 | Cryptochrome-1 | Arabidopsis thaliana | 
| Q9R194 | Cryptochrome-2 | Mus musculus | 
| Q6AZ26 | C-terminal binding protein 1 | Rattus norvegicus | 
| Q9Z2F5 | C-terminal-binding protein 1 | Rattus norvegicus | 
| P56545 | C-terminal-binding protein 2 | Homo sapiens | 
| P0A7E5 | CTP synthase | Escherichia coli | 
| Q6DNE7 | CurF | Lyngbya majuscula | 
| P61073 | C-X-C chemokine receptor type 4 | Homo sapiens | 
| Q5SID7 | Cyclic AMP receptor protein | Thermus thermophilus | 
| P55222 | Cyclic AMP receptor-like protein | Pseudomonas aeruginosa | 
| P21514 | Cyclic di-GMP phosphodiesterase YahA | Escherichia coli | 
| D1D8L6 | Cyclic dipeptide N-prenyltransferase | Neosartorya fumigata | 
| Q8C6L5 | Cyclic GMP-AMP synthase | Mus musculus | 
| Q9KVG7 | Cyclic GMP-AMP synthase | Vibrio cholerae serotype O1 | 
| B8FW11 | Cyclic nucleotide-binding protein | Desulfitobacterium hafniense | 
| Q98GN8 | Cyclic nucleotide-gated potassium channel mll3241 | Rhizobium loti | 
| Q00536 | Cyclin-dependent kinase 16 | Homo sapiens | 
| P24941 | Cyclin-dependent kinase 2 | Homo sapiens | 
| Q00534 | Cyclin-dependent kinase 6 | Homo sapiens | 
| P49336 | Cyclin-dependent kinase 8 | Homo sapiens | 
| P50750 | Cyclin-dependent kinase 9 | Homo sapiens | 
| Q00532 | Cyclin-dependent kinase-like 1 | Homo sapiens | 
| Q8IVW4 | Cyclin-dependent kinase-like 3 | Homo sapiens | 
| O76039 | Cyclin-dependent kinase-like 5 | Homo sapiens | 
| P17157 | Cyclin-dependent protein kinase PHO85 | Saccharomyces cerevisiae | 
| Q00535 | Cyclin-dependent-like kinase 5 | Homo sapiens | 
| O14976 | Cyclin-G-associated kinase | Homo sapiens | 
| P0CH62 | Cyclohexane-1,2-dione hydrolase | Azoarcus sp | 
| Q5P8S7 | Cyclohexanol dehydrogenase | Aromatoleum aromaticum | 
| C0STX7 | Cyclohexanone monooxygenase | Rhodococcus sp. HI-31 | 
| R4GRV2 | Cyclohexylamine Oxidase | Microbacterium oxydans | 
| P05618 | Cyclomaltodextrin glucanotransferase | Bacillus sp. | 
| Q8KKG0 | Cyclomaltodextrinase | Flavobacterium sp. 92 | 
| P9WPB7 | Cyclopropane mycolic acid synthase 1 | Mycobacterium tuberculosis | 
| P06721 | Cystathionine beta-lyase MetC | Escherichia coli | 
| P56069 | Cystathionine gamma-synthase | Helicobacter pylori | 
| O29689 | Cysteine desulfurase IscS 2 | Archaeoglobus fulgidus | 
| P45040 | Cysteine synthase | Haemophilus influenzae | 
| P47998 | Cysteine synthase 1 | Arabidopsis thaliana | 
| P26361 | Cystic fibrosis transmembrane conductance regulator | Mus musculus | 
| Q82Y41 | Cytidine and deoxycytidylate deaminase zinc-binding region | Nitrosomonas europaea | 
| P19079 | Cytidine deaminase | Bacillus subtilis | 
| P0A6I0 | Cytidylate kinase | Escherichia coli | 
| Q5SL35 | Cytidylate kinase | Thermus thermophilus | 
| P00163 | Cytochrome b | Saccharomyces cerevisiae | 
| P00175 | Cytochrome b2, mitochondrial | Saccharomyces cerevisiae | 
| Q72EF4 | Cytochrome c-type protein | Desulfovibrio vulgaris | 
| Q83WG3 | Cytochrome P450 | Streptomyces sp. TP-A0274 | 
| Q55080 | Cytochrome P450 119 | Sulfolobus acidocaldarius | 
| P19099 | Cytochrome P450 11B2, mitochondrial | Homo sapiens | 
| P04798 | Cytochrome P450 1A1 | Homo sapiens | 
| Q16678 | Cytochrome P450 1B1 | Homo sapiens | 
| Q16696 | Cytochrome P450 2A13 | Homo sapiens | 
| P11509 | Cytochrome P450 2A6 | Homo sapiens | 
| P00178 | Cytochrome P450 2B4 | Oryctolagus cuniculus | 
| P20813 | Cytochrome P450 2B6 | Homo sapiens | 
| P10632 | Cytochrome P450 2C8 | Homo sapiens | 
| P11712 | Cytochrome P450 2C9 | Homo sapiens | 
| P10635 | Cytochrome P450 2D6 | Homo sapiens | 
| P05181 | Cytochrome P450 2E1 | Homo sapiens | 
| P08684 | Cytochrome P450 3A4 | Homo sapiens | 
| A7U483 | Cytochrome P450 family 17 polypeptide 2 | Danio rerio | 
| Q5YNS8 | Cytochrome P450 monooxygenase | Nocardia farcinica | 
| O87605 | Cytochrome P450 monooxygenase PikC | Streptomyces venezuelae | 
| Q99418 | Cytohesin-2 | Homo sapiens | 
| Q9T0N8 | Cytokinin dehydrogenase 1 | Zea mays | 
| E3T1W8 | Cytokinin dehydrogenase 4 | Zea mays | 
| Q9FUJ1 | Cytokinin dehydrogenase 7 | Arabidopsis thaliana | 
| Q9ZWP8 | Cytokinin-specific binding protein | Vigna radiata | 
| Q8EVR5 | Cytosine-specific methyltransferase | Mycoplasma penetrans | 
| O86436 | Cytosol aminopeptidase | Pseudomonas putida | 
| O25294 | Cytosol aminopeptidase | Helicobacter pylori | 
| P28037 | Cytosolic 10-formyltetrahydrofolate dehydrogenase | Rattus norvegicus | 
| Q91V12 | Cytosolic acyl coenzyme A thioester hydrolase | Mus musculus | 
| Q7XJ80 | Cytosolic heat shock protein 90 | Hordeum vulgare | 
| Q5ZZB6 | Cytosolic IMP-GMP specific 5'-nucleotidase | Legionella pneumophila subsp. pneumophila | 
| P49902 | Cytosolic purine 5'-nucleotidase | Homo sapiens | 
| P60301 | Cytotoxin 3 | Naja atra | 
| Q46342 | Cytotoxin L | Clostridium sordellii | 
| Q5KST5 | D(-)-3-hydroxybutyrate dehydrogenase | Pseudomonas fragi | 
| P35462 | D(3) dopamine receptor | Homo sapiens | 
| P17584 | D-2-hydroxyisocaproate dehydrogenase | Lactobacillus paracasei | 
| Q972A9 | D-3-phosphoglycerate dehydrogenase | Sulfolobus tokodaii | 
| P0A9T0 | D-3-phosphoglycerate dehydrogenase | Escherichia coli | 
| Q76KF5 | D-3-phosphoglycerate dehydrogenase, putative | Entamoeba histolytica | 
| P19938 | D-alanine aminotransferase | Bacillus sp. | 
| Q5HEB7 | D-alanine-D-alanine ligase | Staphylococcus aureus | 
| P0A1F0 | D-alanine-D-alanine ligase A | Salmonella typhimurium | 
| P07862 | D-alanine-D-alanine ligase B | Escherichia coli | 
| Q81G39 | D-alanine-poly(phosphoribitol) ligase subunit 1 | Bacillus cereus | 
| P15555 | D-alanyl-D-alanine carboxypeptidase | Streptomyces sp. | 
| P80324 | D-amino-acid oxidase | Rhodosporidium toruloides | 
| P38115 | D-arabinose dehydrogenase [NAD(P)+] heavy chain | Saccharomyces cerevisiae | 
| B4EB35 | D-beta-D-heptose 7-phosphate kinase | Burkholderia cenocepacia   | 
| P28248 | dCTP deaminase | Escherichia coli | 
| P9WP17 | dCTP deaminase | Mycobacterium tuberculosis | 
| Q57872 | dCTP deaminase, dUMP-forming | Methanocaldococcus jannaschii | 
| Q8ZNT7 | D-cysteine desulfhydrase | Salmonella typhimurium | 
| Q5S3I3 | DdmC | Stenotrophomonas maltophilia | 
| P18548 | Deacetoxycephalosporin C synthase | Streptomyces clavuligerus | 
| P53355 | Death-associated protein kinase 1 | Homo sapiens | 
| Q9UIK4 | Death-associated protein kinase 2 | Homo sapiens | 
| Q8VDF3 | Death-associated protein kinase 2 | Mus musculus | 
| O43293 | Death-associated protein kinase 3 | Homo sapiens | 
| P9WP15 | Deazaflavin-dependent nitroreductase | Mycobacterium tuberculosis | 
| O70348 | Decapping and exoribonuclease protein | Mus musculus | 
| A0R607 | Decaprenylphosphoryl-beta-D-ribose oxidase | Mycobacterium smegmatis 155 | 
| A4GRC7 | Dehydrofolate reductase type I | Klebsiella pneumoniae | 
| Q7MBY8 | Dehydrogenase | Vibrio vulnificus | 
| A4VVQ2 | Dehydrogenase with different specificities (Related to short-chain alcohol dehydrogenase) | Streptococcus suis | 
| Q6UWP2 | Dehydrogenase/reductase SDR family member 11 | Homo sapiens | 
| Q8WNV7 | Dehydrogenase/reductase SDR family member 4 | Sus scrofa | 
| A9JQL9 | Dehydrosqualene synthase | Staphylococcus aureus | 
| Q4U331 | Delta(1)-pyrroline-2-carboxylate/Delta(1)-piperideine-2-carboxylate reductase | Pseudomonas syringae pv. tomato | 
| G4SW86 | Delta(14)-sterol reductase | Methylomicrobium alcaliphilum | 
| Q8CHT0 | Delta-1-pyrroline-5-carboxylate dehydrogenase, mitochondrial | Mus musculus | 
| P32300 | Delta-type opioid receptor | Mus musculus | 
| Q8KZ94 | Demethylrebeccamycin-D-glucose O-methyltransferase | Lechevalieria aerocolonigenes | 
| P27707 | Deoxycytidine kinase | Homo sapiens | 
| P08773 | Deoxycytidylate 5-hydroxymethyltransferase | Enterobacteria phage T4 | 
| H6WFU3 | Deoxycytidylate deaminase | Cyanophage S-TIM5 | 
| Q93IG4 | Deoxyguanosine kinase | Mycoplasma mycoides subsp. mycoides SC | 
| Q9XZT6 | Deoxynucleoside kinase | Drosophila melanogaster | 
| Q9Y3Z3 | Deoxynucleoside triphosphate triphosphohydrolase SAMHD1 | Homo sapiens | 
| Q8PYK9 | Deoxyribodipyrimidine photolyase | Methanosarcina mazei | 
| P00914 | Deoxyribodipyrimidine photo-lyase | Escherichia coli | 
| Q3IXP1 | Deoxyribodipyrimidine photolyase-related protein | Rhodobacter sphaeroides | 
| P9WNS5 | Deoxyuridine 5'-triphosphate nucleotidohydrolase | Mycobacterium tuberculosis | 
| Q8II92 | Deoxyuridine 5'-triphosphate nucleotidohydrolase | Plasmodium falciparum | 
| P03195 | Deoxyuridine 5'-triphosphate nucleotidohydrolase | Epstein-Barr virus | 
| P33316 | Deoxyuridine 5'-triphosphate nucleotidohydrolase, mitochondrial | Homo sapiens | 
| Q57ZH3 | Deoxyuridine triphosphatase, putative | Trypanosoma brucei brucei | 
| A4ZPY8 | DepH | Chromobacterium violaceum | 
| A4JBA9 | Dephospho-CoA kinase | Burkholderia vietnamiensis   | 
| A7Z6E3 | DfnA | Bacillus velezensis | 
| Q1QT89 | D-galactonate dehydratase family member ManD | Chromohalobacter salexigens | 
| Q48436 | Diacetyl reductase [(S)-acetoin forming] | Klebsiella pneumoniae | 
| P0ABN1 | Diacylglycerol kinase | Escherichia coli | 
| P22108 | Diadenosine 5',5'''-P1,P4-tetraphosphate phosphorylase 2 | Saccharomyces cerevisiae | 
| Q75UV1 | Diadenosine hexaphosphate hydrolase | Thermus thermophilus | 
| P21673 | Diamine acetyltransferase 1 | Homo sapiens | 
| Q96F10 | Diamine acetyltransferase 2 | Homo sapiens | 
| A1SR00 | Diaminopimelate decarboxylase | Psychromonas ingrahamii | 
| P66899 | Diaminopropionate ammonia-lyase | Escherichia coli | 
| Q9HKS9 | Digeranylgeranylglycerophospholipid reductase | Thermoplasma acidophilum | 
| B0RM05 | Diguanylate cyclase | Xanthomonas campestris pv. campestris | 
| Q3KK31 | Diguanylate cyclase/phosphodiesterase | Pseudomonas fluorescens | 
| P93799 | Dihydroflavonol 4-reductase | Vitis vinifera | 
| P51110 | Dihydroflavonol 4-reductase | Vitis vinifera | 
| P22906 | Dihydrofolate reductase | Candida albicans | 
| P0ABQ4 | Dihydrofolate reductase | Escherichia coli | 
| Q81R22 | Dihydrofolate reductase | Bacillus anthracis | 
| Q70YQ6 | Dihydrofolate reductase | Moritella profunda | 
| P00374 | Dihydrofolate reductase | Homo sapiens | 
| P13955 | Dihydrofolate reductase type 1 from Tn4003 | Staphylococcus aureus | 
| P08192 | Dihydrofolate synthase/folylpolyglutamate synthase | Escherichia coli | 
| Q8D0U0 | Dihydrofolate synthase/folylpolyglutamate synthase | Yersinia pestis | 
| Q97XZ3 | Dihydrolipoamide dehydrogenase (PdhD-3) | Sulfolobus solfataricus | 
| P11959 | Dihydrolipoyl dehydrogenase | Geobacillus stearothermophilus | 
| P09063 | Dihydrolipoyl dehydrogenase | Pseudomonas putida | 
| Q51225 | Dihydrolipoyl dehydrogenase | Neisseria meningitidis | 
| Q5SLR0 | Dihydrolipoyl dehydrogenase | Thermus thermophilus | 
| P9WHH8 | Dihydrolipoyl dehydrogenase | Mycobacterium tuberculosis | 
| P09624 | Dihydrolipoyl dehydrogenase, mitochondrial | Saccharomyces cerevisiae | 
| P09622 | Dihydrolipoyl dehydrogenase, mitochondrial | Homo sapiens | 
| P9WNC5 | Dihydroneopterin aldolase | Mycobacterium tuberculosis | 
| P56740 | Dihydroneopterin aldolase | Staphylococcus aureus | 
| P05020 | Dihydroorotase | Escherichia coli | 
| Q8DVA1 | Dihydroorotate dehydrogenase | Streptococcus mutans serotype c | 
| Q4D3W2 | Dihydroorotate dehydrogenase (fumarate) | Trypanosoma cruzi | 
| Q4QEW7 | Dihydroorotate dehydrogenase (fumarate) | Leishmania major | 
| A5U4G5 | Dihydroorotate dehydrogenase (quinone) | Mycobacterium tuberculosis | 
| Q02127 | Dihydroorotate dehydrogenase (quinone), mitochondrial | Homo sapiens | 
| A2RJT9 | Dihydroorotate dehydrogenase A (fumarate) | Lactococcus lactis subsp. cremoris | 
| P54322 | Dihydroorotate dehydrogenase B (NAD(+)), catalytic subunit | Lactococcus lactis subsp. cremoris | 
| P56968 | Dihydroorotate dehydrogenase B (NAD(+)), electron transfer subunit | Lactococcus lactis subsp. cremoris | 
| Q9X1X4 | Dihydroorotate dehydrogenase B (NAD(+)), electron transfer subunit homolog | Thermotoga maritima | 
| P11348 | Dihydropteridine reductase | Rattus norvegicus | 
| P0AC13 | Dihydropteroate synthase | Escherichia coli | 
| Q83BY6 | Dihydropteroate synthase | Coxiella burnetii | 
| Q28943 | Dihydropyrimidine dehydrogenase [NADP(+)] | Sus scrofa | 
| Q7SIG4 | Diisopropyl-fluorophosphatase | Loligo vulgaris | 
| B1P3E1 | Diketoreductase | Acinetobacter baylyi | 
| Q57366 | Dimethyl sulfoxide/trimethylamine N-oxide reductase | Rhodobacter sphaeroides | 
| Q52675 | Dimethyl sulfoxide/trimethylamine N-oxide reductase | Rhodobacter capsulatus | 
| Q8JZM0 | Dimethyladenosine transferase 1, mitochondrial | Mus musculus | 
| Q63342 | Dimethylglycine dehydrogenase, mitochondrial | Rattus norvegicus | 
| Q9AGP8 | Dimethylglycine oxidase | Arthrobacter globiformis | 
| Q4FP21 | Dimethylsulfonioproprionate demethylase DmdA | Pelagibacter ubique | 
| Q8NTA6 | D-inositol 3-phosphate glycosyltransferase | Corynebacterium glutamicum | 
| O68195 | Diol dehydratase-reactivating factor alpha subunit | Klebsiella oxytoca | 
| Q5M4H8 | Di-or tripeptide:H+ symporter | Streptococcus thermophilus | 
| A7MAQ2 | Dioscorin 5 | Dioscorea japonica | 
| Q9UHL4 | Dipeptidyl peptidase 2 | Homo sapiens | 
| P22411 | Dipeptidyl peptidase 4 | Sus scrofa | 
| P00588 | Diphtheria toxin | Corynephage beta | 
| O58456 | Diphthine synthase | Pyrococcus horikoshii | 
| Q04809 | Dipicolinate synthase subunit A | Bacillus subtilis | 
| P78536 | Disintegrin and metalloproteinase domain-containing protein 17 | Homo sapiens | 
| P78325 | Disintegrin and metalloproteinase domain-containing protein 8 | Homo sapiens | 
| Q9UHI8 | Disintegrin and metalloproteinase with thrombospondin motifs 1 | Homo sapiens | 
| O75173 | Disintegrin and metalloproteinase with thrombospondin motifs 4 | Homo sapiens | 
| Q9UNA0 | Disintegrin and metalloproteinase with thrombospondin motifs 5 | Homo sapiens | 
| P9WJ61 | Diterpene synthase | Mycobacterium tuberculosis | 
| O59580 | dITP/XTP pyrophosphatase | Pyrococcus horikoshii | 
| P52061 | dITP/XTP pyrophosphatase | Escherichia coli | 
| P60472 | Ditrans,polycis-undecaprenyl-diphosphate synthase ((2E,6E)-farnesyl-diphosphate specific) | Escherichia coli | 
| P60473 | Ditrans,polycis-undecaprenyl-diphosphate synthase ((2E,6E)-farnesyl-diphosphate specific) | Escherichia coli O6:H1 | 
| Q5KYD1 | Di-tripeptide ABC transporter (Permease) | Geobacillus kaustophilus | 
| P06149 | D-lactate dehydrogenase | Escherichia coli | 
| O66939 | D-lactate dehydrogenase | Aquifex aeolicus | 
| Q7LLW9 | D-mandelate dehydrogenase | Rhodotorula graminis | 
| G8QM55 | DMSO reductase family type II enzyme, molybdopterin subunit | Dechlorosoma suillum | 
| Q194Q4 | D-mycarose 3-C-methyltransferase | Streptomyces argillaceus | 
| P13864 | DNA (cytosine-5)-methyltransferase 1 | Mus musculus | 
| Q9AXT8 | DNA (cytosine-5)-methyltransferase 1 | Zea mays | 
| Q9Y6K1 | DNA (cytosine-5)-methyltransferase 3A | Homo sapiens | 
| P04392 | DNA adenine methylase | Enterobacteria phage T4 | 
| P0AEE8 | DNA adenine methylase | Escherichia coli | 
| P04547 | DNA beta-glucosyltransferase | Enterobacteria phage T4 | 
| P0AES5 | DNA gyrase subunit A | Shigella flexneri | 
| P0AES6 | DNA gyrase subunit B | Escherichia coli | 
| P0C559 | DNA gyrase subunit B | Mycobacterium smegmatis | 
| Q9RTI9 | DNA helicase | Deinococcus radiodurans | 
| Q9WY43 | DNA integrity scanning protein DisA | Thermotoga maritima | 
| Q837V6 | DNA ligase | Enterococcus faecalis | 
| P15042 | DNA ligase | Escherichia coli | 
| Q76KU6 | DNA methyltransferase | Nicotiana tabacum | 
| P43246 | DNA mismatch repair protein Msh2 | Homo sapiens | 
| P23367 | DNA mismatch repair protein MutL | Escherichia coli | 
| P23909 | DNA mismatch repair protein MutS | Escherichia coli | 
| P14242 | DNA mismatch repair protein PMS1 | Saccharomyces cerevisiae | 
| F9VNB1 | DNA photolyase | Sulfolobus tokodaii | 
| Q5SJ64 | DNA polymerase beta family (X family) | Thermus thermophilus | 
| P21951 | DNA polymerase epsilon catalytic subunit A | Saccharomyces cerevisiae | 
| E1C9K5 | DNA polymerase I | Geobacillus stearothermophilus | 
| Q5KWC1 | DNA polymerase I | Geobacillus kaustophilus | 
| P19821 | DNA polymerase I, thermostable | Thermus aquaticus | 
| P03007 | DNA polymerase III subunit epsilon | Escherichia coli | 
| P06710 | DNA polymerase III subunit tau | Escherichia coli | 
| Q9UNA4 | DNA polymerase iota | Homo sapiens | 
| O75417 | DNA polymerase theta | Homo sapiens | 
| P03692 | DNA primase/helicase | Enterobacteria phage T7 | 
| P06612 | DNA topoisomerase 1 | Escherichia coli | 
| P06786 | DNA topoisomerase 2 | Saccharomyces cerevisiae | 
| P11388 | DNA topoisomerase 2-alpha | Homo sapiens | 
| P20083 | DNA topoisomerase 4 subunit B | Escherichia coli | 
| Q9I0M3 | DNA translocase FtsK | Pseudomonas aeruginosa | 
| F2RCL8 | DNA-binding protein | Streptomyces venezuelae | 
| Q38087 | DNA-directed DNA polymerase | Enterobacteria phage RB69 | 
| Q8RQE9 | DNA-directed RNA polymerase subunit beta | Thermus thermophilus | 
| L7MTK8 | Dnmt2 | Spodoptera frugiperda | 
| Q5SIE3 | Dodecin | Thermus thermophilus | 
| A1WUH0 | Dodecin | Halorhodospira halophila | 
| Q94521 | Dopamine N-acetyltransferase | Drosophila melanogaster | 
| E3PY95 | D-ornithine 4,5-aminomutase subunit beta | Clostridium sticklandii | 
| O50580 | D-tagatose 3-epimerase | Pseudomonas cichorii | 
| Q9ZGH6 | dTDP-3-amino-3,4,6-trideoxy-alpha-D-glucopyranose | Streptomyces venezuelae | 
| P95748 | dTDP-3-amino-3,6-dideoxy-alpha-D-glucopyranose N,N-dimethyltransferase | Streptomyces fradiae | 
| Q5SFD1 | dTDP-4-dehydro-6-deoxyglucose 3-epimerase | Streptomyces bikiniensis | 
| Q9HU21 | dTDP-4-dehydrorhamnose 3,5-epimerase | Pseudomonas aeruginosa | 
| Q81TP1 | dTDP-4-dehydrorhamnose 3,5-epimerase | Bacillus anthracis | 
| P26392 | dTDP-4-dehydrorhamnose reductase | Salmonella typhimurium | 
| Q96Z61 | dTDP-4-dehydrorhamnose reductase | Sulfolobus tokodaii | 
| P96558 | dTDP-epi-vancosaminyltransferase | Amycolatopsis orientalis | 
| Q8FBQ3 | dTDP-fucosamine acetyltransferase | Escherichia coli O6:H1 | 
| Q9EU31 | dTDP-glucose 4,6-dehydratase | Salmonella choleraesuis | 
| P27830 | dTDP-glucose 4,6-dehydratase 2 | Escherichia coli | 
| Q8IIS0 | D-tyrosyl-tRNA(Tyr) deacylase | Plasmodium falciparum | 
| Q02750 | Dual specificity mitogen-activated protein kinase kinase 1 | Homo sapiens | 
| P52564 | Dual specificity mitogen-activated protein kinase kinase 6 | Homo sapiens | 
| P49759 | Dual specificity protein kinase CLK1 | Homo sapiens | 
| P33981 | Dual specificity protein kinase TTK | Homo sapiens | 
| Q13627 | Dual specificity tyrosine-phosphorylation-regulated kinase 1A | Homo sapiens | 
| Q975F9 | Dual sugar-1-phosphate nucleotidylyltransferase | Sulfolobus tokodaii | 
| P36979 | Dual-specificity RNA methyltransferase RlmN | Escherichia coli | 
| A4GD96 | DUTP pyrophosphatase | Vaccinia virus | 
| Q0P8G4 | DUTPase | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| O15826 | DUTPase | Leishmania major | 
| Q8SDV3 | DUTPase | Staphylococcus phage phi11 | 
| Q14203 | Dynactin subunit 1 | Homo sapiens | 
| Q05193 | Dynamin-1 | Homo sapiens | 
| O00429 | Dynamin-1-like protein | Homo sapiens | 
| Q8WZK8 | DyP | Bjerkandera adusta | 
| Q00987 | E3 ubiquitin-protein ligase Mdm2 | Homo sapiens | 
| Q96EP0 | E3 ubiquitin-protein ligase RNF31 | Homo sapiens | 
| P98170 | E3 ubiquitin-protein ligase XIAP | Homo sapiens | 
| Q79SH7 | EbrA repressor | Streptomyces lividans | 
| B9UCQ4 | Ecdysone receptor | Helicoverpa armigera | 
| E0VVT4 | Ecdysone receptor, putative | Pediculus humanus subsp. corporis | 
| O35795 | Ectonucleoside triphosphate diphosphohydrolase 2 | Rattus norvegicus | 
| Q5ZUA2 | Ectonucleoside triphosphate diphosphohydrolase I | Legionella pneumophila subsp. pneumophila | 
| Q9R1E6 | Ectonucleotide pyrophosphatase/phosphodiesterase family member 2 | Mus musculus | 
| Q8BGN3 | Ectonucleotide pyrophosphatase/phosphodiesterase family member 6 | Mus musculus | 
| Q9GZT9 | Egl nine homolog 1 | Homo sapiens | 
| Q8BH64 | EH domain-containing protein 2 | Mus musculus | 
| Q8GPH0 | EhpF | Enterobacter agglomerans | 
| P15442 | eIF-2-alpha kinase GCN2 | Saccharomyces cerevisiae | 
| P53323 | EKC/KEOPS complex subunit BUD32 | Saccharomyces cerevisiae | 
| P14756 | Elastase | Pseudomonas aeruginosa | 
| D2RIQ2 | Electron transfer flavoprotein alpha/beta-subunit | Acidaminococcus fermentans | 
| P38974 | Electron transfer flavoprotein subunit alpha | Paracoccus denitrificans | 
| P13804 | Electron transfer flavoprotein subunit alpha, mitochondrial | Homo sapiens | 
| P55931 | Electron transfer flavoprotein-ubiquinone oxidoreductase, mitochondrial | Sus scrofa | 
| P32324 | Elongation factor 2 | Saccharomyces cerevisiae | 
| P16521 | Elongation factor 3A | Saccharomyces cerevisiae | 
| Q5SI76 | Elongation factor G (EF-G-2) | Thermus thermophilus | 
| P0A8N7 | Elongation factor P-(R)-beta-lysine ligase | Escherichia coli | 
| P0CE47 | Elongation factor Tu 1 | Escherichia coli | 
| Q5SHN6 | Elongation factor Tu-A | Thermus thermophilus | 
| I6ZQW6 | ElxO | Staphylococcus epidermidis | 
| O69231 | Endo-1,4-beta-xylanase B | Paenibacillus barcinonensis | 
| Q873X9 | Endochitinase B1 | Neosartorya fumigata | 
| O33853 | Endoglycoceramidase II | Rhodococcus sp | 
| O53649 | Endopeptidase, peptidase family M13 | Mycobacterium tuberculosis | 
| Q03103 | Endoplasmic oxidoreductin-1 | Saccharomyces cerevisiae | 
| Q9NZ08 | Endoplasmic reticulum aminopeptidase 1 | Homo sapiens | 
| Q6P179 | Endoplasmic reticulum aminopeptidase 2 | Homo sapiens | 
| P41148 | Endoplasmin | Canis lupus familiaris | 
| Q8I0V4 | Endoplasmin homolog, putative | Plasmodium falciparum | 
| P42892 | Endothelin-converting enzyme 1 | Homo sapiens | 
| P11838 | Endothiapepsin | Cryphonectria parasitica | 
| Q9WY65 | Energy-coupling factor transporter ATP-binding protein EcfA2 | Thermotoga maritima | 
| A9WCM4 | Enolase | Chloroflexus aurantiacus | 
| U6C5W9 | Enone reductase CLA-ER | Lactobacillus plantarum | 
| Q9Y7D0 | Enoyl reductase LovC | Aspergillus terreus | 
| Q7MAW0 | Enoyl-(Acyl-carrier-protein) reductase II | Porphyromonas gingivalis | 
| P9WGR1 | Enoyl-[acyl-carrier-protein] reductase [NADH] | Mycobacterium tuberculosis | 
| Q9CBM1 | Enoyl-[acyl-carrier-protein] reductase [NADH] | Mycobacterium leprae | 
| Q5NGQ3 | Enoyl-[acyl-carrier-protein] reductase [NADH] | Francisella tularensis subsp. tularensis | 
| P80030 | Enoyl-[acyl-carrier-protein] reductase [NADH], chloroplastic | Brassica napus | 
| Q8WZM3 | Enoyl-[acyl-carrier-protein] reductase 1, mitochondrial | Candida tropicalis | 
| Q9BH77 | Enoyl-ACP reductase | Plasmodium falciparum | 
| Q9BJJ9 | Enoyl-ACP reductase | Plasmodium falciparum | 
| Q6TEI5 | Enoyl-acyl carrier protein reductase | Plasmodium berghei | 
| C6KSZ2 | Enoyl-acyl carrier reductase | Plasmodium falciparum | 
| Q6UCJ9 | Enoyl-acyl carrier reductase | Toxoplasma gondii | 
| P42126 | Enoyl-CoA delta isomerase 1, mitochondrial | Homo sapiens | 
| P96907 | Enoyl-CoA hydratase | Mycobacterium tuberculosis | 
| P14604 | Enoyl-CoA hydratase, mitochondrial | Rattus norvegicus | 
| Q9KRQ7 | Enterobactin synthetase component F-related protein | Vibrio cholerae serotype O1 | 
| Q0P8Q4 | Enterochelin uptake periplasmic binding protein | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| Q05320 | Envelope glycoprotein | Zaire ebolavirus | 
| C6G099 | Envelope glycoprotein gp160 | Human immunodeficiency virus 1 | 
| P29317 | Ephrin type-A receptor 2 | Homo sapiens | 
| P29320 | Ephrin type-A receptor 3 | Homo sapiens | 
| Q03137 | Ephrin type-A receptor 4 | Mus musculus | 
| Q15375 | Ephrin type-A receptor 7 | Homo sapiens | 
| P54763 | Ephrin type-B receptor 2 | Mus musculus | 
| P54760 | Ephrin type-B receptor 4 | Homo sapiens | 
| P00533 | Epidermal growth factor receptor | Homo sapiens | 
| P30197 | Epidermin decarboxylase | Staphylococcus epidermidis | 
| Q9K499 | Epi-isozizaene synthase | Streptomyces coelicolor  / M145 | 
| Q9NRG7 | Epimerase family protein SDR39U1 | Homo sapiens | 
| Q08345 | Epithelial discoidin domain-containing receptor 1 | Homo sapiens | 
| Q9KIZ4 | Epothilone C/D epoxidase | Sorangium cellulosum | 
| Q41415 | Epoxide hydrolase | Solanum tuberosum | 
| P95276 | Epoxide hydrolase B | Mycobacterium tuberculosis | 
| B6ZK72 | Epoxide hydrolase LasB | Streptomyces lasaliensis | 
| P48635 | Erythromycin C-12 hydroxylase | Saccharopolyspora erythraea | 
| Q9EVJ6 | Erythromycin resistance repressor protein | Escherichia coli | 
| Q9I3W9 | Erythronate-4-phosphate dehydrogenase | Pseudomonas aeruginosa | 
| Q0GMU2 | Esterase/lipase | uncultured bacterium | 
| P14061 | Estradiol 17-beta-dehydrogenase 1 | Homo sapiens | 
| Q8NBQ5 | Estradiol 17-beta-dehydrogenase 11 | Homo sapiens | 
| Q92506 | Estradiol 17-beta-dehydrogenase 8 | Homo sapiens | 
| P03372 | Estrogen receptor | Homo sapiens | 
| Q92731 | Estrogen receptor beta | Homo sapiens | 
| P49888 | Estrogen sulfotransferase | Homo sapiens | 
| P49891 | Estrogen sulfotransferase, testis isoform | Mus musculus | 
| P62509 | Estrogen-related receptor gamma | Mus musculus | 
| P62508 | Estrogen-related receptor gamma | Homo sapiens | 
| D1A4G7 | ESX secretion system protein EccC | Thermomonospora curvata | 
| Q3AE93 | Ethanolamine utilization protein EutJ | Carboxydothermus hydrogenoformans | 
| Q99447 | Ethanolamine-phosphate cytidylyltransferase | Homo sapiens | 
| P49333 | Ethylene receptor 1 | Arabidopsis thaliana | 
| D0VWT0 | Eugenol synthase | Clarkia breweri | 
| Q15GI4 | Eugenol synthase 1 | Ocimum basilicum | 
| Q5ZUS4 | Eukaryotic huntingtin interacting protein B | Legionella pneumophila subsp. pneumophila | 
| P38919 | Eukaryotic initiation factor 4A-III | Homo sapiens | 
| Q9NZJ5 | Eukaryotic translation initiation factor 2-alpha kinase 3 | Homo sapiens | 
| P06730 | Eukaryotic translation initiation factor 4E | Homo sapiens | 
| O60573 | Eukaryotic translation initiation factor 4E type 2 | Homo sapiens | 
| Q9DBB5 | Eukaryotic translation initiation factor 4E type 3 | Mus musculus | 
| P29557 | Eukaryotic translation initiation factor 4E-1 | Triticum aestivum | 
| G0S8G9 | Eukaryotic translation initiation factor 5B | Chaetomium thermophilum | 
| P07986 | Exoglucanase/xylanase | Cellulomonas fimi | 
| P11439 | Exotoxin A | Pseudomonas aeruginosa | 
| P41180 | Extracellular calcium-sensing receptor | Homo sapiens | 
| Q9I9P7 | Extracellular fatty acid-binding protein | Coturnix coturnix japonica | 
| P9WNE1 | F420-dependent glucose-6-phosphate dehydrogenase | Mycobacterium tuberculosis | 
| P94951 | F420-dependent methylenetetrahydromethanopterin dehydrogenase | Methanopyrus kandleri | 
| O29370 | F420-dependent NADP reductase | Archaeoglobus fulgidus | 
| O06553 | F420H(2)-dependent reductase Rv1155 | Mycobacterium tuberculosis | 
| P38913 | FAD synthase | Saccharomyces cerevisiae | 
| P41780 | FAD:protein FMN transferase | Salmonella typhimurium | 
| Q9HXE3 | FAD-dependent catabolic D-arginine dehydrogenase DauA | Pseudomonas aeruginosa | 
| B3TMR1 | FAD-dependent oxidoreductase | Actinomadura kijaniata | 
| Q2GBV9 | FAD-dependent pyridine nucleotide-disulfide oxidoreductase | Novosphingobium aromaticivorans | 
| A3QAV3 | FAD-dependent pyridine nucleotide-disulphide oxidoreductase | Shewanella loihica | 
| A6T923 | FAD-dependent urate hydroxylase | Klebsiella pneumoniae subsp. pneumoniae | 
| J7H1A1 | FADH2-dependent halogenase | Streptomyces sp. CNQ-418 | 
| Q4KCZ0 | FADH2-dependent halogenase PltA | Pseudomonas fluorescens | 
| Q65163 | FAD-linked sulfhydryl oxidase | African swine fever virus | 
| P41480 | FAD-linked sulfhydryl oxidase | Autographa californica nuclear polyhedrosis virus | 
| Q63042 | FAD-linked sulfhydryl oxidase ALR | Rattus norvegicus | 
| P55789 | FAD-linked sulfhydryl oxidase ALR | Homo sapiens | 
| Q8GXX0 | FAD-linked sulfhydryl oxidase ERV1 | Arabidopsis thaliana | 
| Q12284 | FAD-linked sulfhydryl oxidase ERV2 | Saccharomyces cerevisiae | 
| F2YCB6 | Fae1A | Anaeromyces mucronatus | 
| K9TLZ5 | Family 3 adenylate cyclase | Oscillatoria acuminata PCC 6304 | 
| P22939 | Farnesyl diphosphate synthase | Escherichia coli | 
| Q86C09 | Farnesyl pyrophosphate synthase | Trypanosoma brucei | 
| Q4QBL1 | Farnesyl pyrophosphate synthase | Leishmania major | 
| P14324 | Farnesyl pyrophosphate synthase | Homo sapiens | 
| A5K4U6 | Farnesyl pyrophosphate synthase, putative | Plasmodium vivax | 
| Q4CWB4 | Farnesyltransferase, putative | Trypanosoma cruzi | 
| F1NUJ7 | Fatty acid binding protein 6 | Gallus gallus | 
| P94548 | Fatty acid metabolism regulator protein | Bacillus subtilis | 
| P19097 | Fatty acid synthase subunit alpha | Saccharomyces cerevisiae | 
| Q9I8L5 | Fatty acid-binding protein 10-A, liver basic | Danio rerio | 
| P81400 | Fatty acid-binding protein 2, liver | Ambystoma mexicanum | 
| Q6IMW5 | Fatty acid-binding protein 6, ileal (gastrotropin) | Danio rerio | 
| P15090 | Fatty acid-binding protein, adipocyte | Homo sapiens | 
| Q01469 | Fatty acid-binding protein, epidermal | Homo sapiens | 
| P12104 | Fatty acid-binding protein, intestinal | Homo sapiens | 
| P80226 | Fatty acid-binding protein, liver | Gallus gallus | 
| P97612 | Fatty-acid amide hydrolase 1 | Rattus norvegicus | 
| Q5FA19 | Fe(3+) ions import ATP-binding protein FbpC | Neisseria gonorrhoeae | 
| Q9SLP6 | Ferredoxin | Zea mays | 
| Q52437 | Ferredoxin reductase | Pseudomonas sp. | 
| P55038 | Ferredoxin-dependent glutamate synthase 2 | Synechocystis sp. | 
| Q44532 | Ferredoxin-NADP reductase | Azotobacter vinelandii | 
| P21890 | Ferredoxin-NADP reductase | Nostoc sp. | 
| Q5SL28 | Ferredoxin-NADP reductase | Thermus thermophilus | 
| Q8ZKP5 | Ferredoxin-NADP reductase | Salmonella typhimurium | 
| O05268 | Ferredoxin-NADP reductase 2 | Bacillus subtilis | 
| C6KT68 | Ferredoxin-NADP reductase, apicoplast | Plasmodium falciparum | 
| P00455 | Ferredoxin-NADP reductase, chloroplastic | Spinacia oleracea | 
| P10933 | Ferredoxin-NADP reductase, leaf isozyme, chloroplastic | Pisum sativum | 
| Q9HYK7 | Ferredoxin-NADP+ reductase | Pseudomonas aeruginosa | 
| O29428 | Ferric-chelate reductase (NAD(P)H) | Archaeoglobus fulgidus | 
| P06971 | Ferrichrome-iron receptor | Escherichia coli | 
| P0AEL6 | Ferrienterobactin-binding periplasmic protein | Escherichia coli | 
| P22830 | Ferrochelatase, mitochondrial | Homo sapiens | 
| Q5M586 | Ferrous iron transport protein B | Streptococcus thermophilus | 
| C6F3U5 | Ferulic acid decarboxylase | Enterobacter sp. Px6-4 | 
| O42807 | Feruloyl esterase A | Aspergillus niger | 
| Q8U4M2 | Fibrillarin-like rRNA/tRNA 2'-O-methyltransferase | Pyrococcus furiosus | 
| P05230 | Fibroblast growth factor 1 | Homo sapiens | 
| P11362 | Fibroblast growth factor receptor 1 | Homo sapiens | 
| D3DSX2 | Fibroblast growth factor receptor 1 (Fms-related tyrosine kinase 2, Pfeiffer syndrome), isoform CRA_b | Homo sapiens | 
| P21802 | Fibroblast growth factor receptor 2 | Homo sapiens | 
| P22607 | Fibroblast growth factor receptor 3 | Homo sapiens | 
| P22455 | Fibroblast growth factor receptor 4 | Homo sapiens | 
| C9YJ22 | Fic family protein putative filamentation induced by cAMP protein | Peptoclostridium difficile | 
| Q15485 | Ficolin-2 | Homo sapiens | 
| Q6PIW4 | Fidgetin-like protein 1 | Homo sapiens | 
| O16299 | Fidgetin-like protein 1 | Caenorhabditis elegans | 
| Q9S497 | FimH | Escherichia coli | 
| Q9KIE5 | FkbI | Streptomyces hygroscopicus subsp. ascomyceticus | 
| P45523 | FKBP-type peptidyl-prolyl cis-trans isomerase FkpA | Escherichia coli | 
| P26465 | Flagellum-specific ATP synthase | Salmonella typhimurium | 
| Q489U8 | Flavin prenyltransferase UbiX | Colwellia psychrerythraea | 
| B6CDL6 | Flavin reductase | Mycobacterium goodii | 
| M9QXS1 | Flavin reductase | uncultured bacterium | 
| P30043 | Flavin reductase (NADPH) | Homo sapiens | 
| Q9HWG9 | Flavin-containing monooxygenase | Pseudomonas aeruginosa | 
| Q9S3V1 | Flavin-dependent L-tryptophan oxidase VioA | Chromobacterium violaceum | 
| P9WG57 | Flavin-dependent thymidylate synthase | Mycobacterium tuberculosis | 
| O26061 | Flavin-dependent thymidylate synthase | Helicobacter pylori | 
| Q9WYT0 | Flavin-dependent thymidylate synthase | Thermotoga maritima | 
| C1IC19 | Flavin-dependent thymidylate synthase | Streptomyces cacaoi subsp. asoensis | 
| P95480 | Flavin-dependent tryptophan halogenase PrnA | Pseudomonas fluorescens | 
| Q8KHZ8 | Flavin-dependent tryptophan halogenase RebH | Lechevalieria aerocolonigenes | 
| A0R238 | Flavin-nucleotide-binding protein | Mycobacterium smegmatis 155 | 
| P00323 | Flavodoxin | Desulfovibrio vulgaris | 
| P0A3E0 | Flavodoxin | Nostoc sp. | 
| P61949 | Flavodoxin 1 | Escherichia coli | 
| P00324 | Flavodoxin 2 | Azotobacter vinelandii | 
| P39662 | Flavohemoprotein | Cupriavidus necator | 
| A6XNC6 | Flavonoid 3-O-glucosyltransferase | Medicago truncatula | 
| Q11R94 | Flavoprotein/dehydrogenase | Cytophaga hutchinsonii | 
| Q8TTU7 | Flavoredoxin | Methanosarcina acetivorans | 
| Q1EMV2 | Fluoroacetyl-CoA thioesterase | Streptomyces cattleya | 
| Q46604 | FMN-binding protein | Desulfovibrio vulgaris | 
| P63462 | FMN-dependent NADH-azoreductase | Salmonella typhimurium | 
| Q831B2 | FMN-dependent NADH-azoreductase | Enterococcus faecalis | 
| Q9I5F3 | FMN-dependent NADH-azoreductase 1 | Pseudomonas aeruginosa | 
| Q05397 | Focal adhesion kinase 1 | Homo sapiens | 
| P15328 | Folate receptor alpha | Homo sapiens | 
| P14207 | Folate receptor beta | Homo sapiens | 
| P53848 | Folic acid synthesis protein FOL1 | Saccharomyces cerevisiae | 
| O53174 | Folylpolyglutamate synthase | Mycobacterium tuberculosis | 
| Q52078 | Formaldehyde dismutase | Pseudomonas putida | 
| O08375 | Formate dehydrogenase | Moraxella sp | 
| P07658 | Formate dehydrogenase H | Escherichia coli | 
| Q9S7E4 | Formate dehydrogenase, chloroplastic/mitochondrial | Arabidopsis thaliana | 
| P0AEK7 | Formate dehydrogenase, nitrate-inducible, cytochrome b556(Fdn) subunit | Escherichia coli | 
| P24183 | Formate dehydrogenase, nitrate-inducible, major subunit | Escherichia coli | 
| P21164 | Formate-tetrahydrofolate ligase | Moorella thermoacetica | 
| P53603 | Formimidoyltransferase-cyclodeaminase | Sus scrofa | 
| Q5NF01 | Formyl transferase | Francisella tularensis subsp. tularensis | 
| O06644 | Formyl-CoA:oxalate CoA-transferase | Oxalobacter formigenes | 
| P69902 | Formyl-CoA:oxalate CoA-transferase | Escherichia coli | 
| Q49610 | Formylmethanofuran-tetrahydromethanopterin formyltransferase | Methanopyrus kandleri | 
| Q0ZQ43 | FrbF | Streptomyces rubellomurinus | 
| O14842 | Free fatty acid receptor 1 | Homo sapiens | 
| Q87CC0 | Fructokinase | Xylella fastidiosa | 
| P00636 | Fructose-1,6-bisphosphatase 1 | Sus scrofa | 
| P09467 | Fructose-1,6-bisphosphatase 1 | Homo sapiens | 
| B1YAL1 | Fructose-1,6-bisphosphate aldolase/phosphatase | Pyrobaculum neutrophilum | 
| P14223 | Fructose-bisphosphate aldolase | Plasmodium falciparum | 
| O42629 | Fructosyl amine:oxygen oxidoreductase | Neosartorya fumigata | 
| Q765A9 | Fructosyl peptide oxidase | Penicillium terrenum | 
| P83223 | Fumarate reductase flavoprotein subunit | Shewanella oneidensis | 
| Q9Z4P0 | Fumarate reductase flavoprotein subunit | Shewanella frigidimarina | 
| P0AC47 | Fumarate reductase iron-sulfur subunit | Escherichia coli | 
| A2PZA5 | Fusicoccadiene synthase | Phomopsis amygdali | 
| C4M483 | G protein alpha subunit, putative | Entamoeba histolytica | 
| P32298 | G protein-coupled receptor kinase 4 | Homo sapiens | 
| P34947 | G protein-coupled receptor kinase 5 | Homo sapiens | 
| P43250 | G protein-coupled receptor kinase 6 | Homo sapiens | 
| Q13569 | G/T mismatch-specific thymine DNA glycosylase | Homo sapiens | 
| P12493 | Gag polyprotein | Human immunodeficiency virus type 1 group M subtype B | 
| A9PKC6 | Gag protein | Human immunodeficiency virus 1 | 
| P03366 | Gag-Pol polyprotein | Human immunodeficiency virus type 1 group M subtype B | 
| P04584 | Gag-Pol polyprotein | Human immunodeficiency virus type 2 subtype A | 
| P04585 | Gag-Pol polyprotein | Human immunodeficiency virus type 1 group M subtype B | 
| P03367 | Gag-Pol polyprotein | Human immunodeficiency virus type 1 group M subtype B | 
| P12497 | Gag-Pol polyprotein | Human immunodeficiency virus type 1 group M subtype B | 
| P03322 | Gag-Pro polyprotein | Rous sarcoma virus | 
| C0KTJ6 | Galactitol dehydrogenase | Rhodobacter sphaeroides | 
| Q9HHB6 | Galactokinase | Pyrococcus furiosus | 
| P51570 | Galactokinase | Homo sapiens | 
| P04387 | Galactose/lactose metabolism regulatory protein GAL80 | Saccharomyces cerevisiae | 
| P07464 | Galactoside O-acetyltransferase | Escherichia coli | 
| O94766 | Galactosylgalactosylxylosylprotein 3-beta-glucuronosyltransferase 3 | Homo sapiens | 
| G2IKE5 | Gallate dioxygenase | Sphingobium sp. SYK-6 | 
| P77674 | Gamma-aminobutyraldehyde dehydrogenase | Escherichia coli | 
| Q9UBS5 | Gamma-aminobutyric acid type B receptor subunit 1 | Homo sapiens | 
| E0SJQ4 | Gamma-aminobutyric-acid receptor subunit beta-1 | Dickeya dadantii | 
| O75936 | Gamma-butyrobetaine dioxygenase | Homo sapiens | 
| P10289 | Gastrotropin | Sus scrofa | 
| Q3M362 | GCN5-related N-acetyltransferase | Anabaena variabilis | 
| Q2YRK4 | GCN5-related N-acetyltransferase | Brucella abortus | 
| Q6N8A5 | GCN5-related N-acetyltransferase:Aminotransferase, class-II | Rhodopseudomonas palustris | 
| Q6T1X6 | GDP-6-deoxy-D-mannose reductase | Aneurinibacillus thermoaerophilus | 
| Q18014 | GDP-fucose protein O-fucosyltransferase 1 | Caenorhabditis elegans | 
| P32055 | GDP-L-fucose synthase | Escherichia coli | 
| Q13630 | GDP-L-fucose synthase | Homo sapiens | 
| Q93VR3 | GDP-mannose 3,5-epimerase | Arabidopsis thaliana | 
| O60547 | GDP-mannose 4,6 dehydratase | Homo sapiens | 
| P93031 | GDP-mannose 4,6 dehydratase 2 | Arabidopsis thaliana | 
| Q51366 | GDP-mannose 4,6-dehydratase | Pseudomonas aeruginosa | 
| O67175 | GDP-mannose 4,6-dehydratase | Aquifex aeolicus | 
| P11759 | GDP-mannose 6-dehydrogenase | Pseudomonas aeruginosa | 
| Q9A9H3 | GDP-perosamine synthase | Caulobacter crescentus | 
| Q28372 | Gelsolin | Equus caballus | 
| Q716H3 | Gene 2 protein | Shigella phage Sf6 | 
| P80874 | General stress protein 69 | Bacillus subtilis | 
| P03303 | Genome polyprotein | Human rhinovirus 14 | 
| P12823 | Genome polyprotein | Dengue virus type 2 | 
| O92972 | Genome polyprotein | Hepatitis C virus genotype 1b | 
| Q9QCE4 | Genome polyprotein | Foot-and-mouth disease virus - type C | 
| Q2YHF0 | Genome polyprotein | Dengue virus type 4 | 
| P27958 | Genome polyprotein | Hepatitis C virus genotype 1a | 
| P03314 | Genome polyprotein | Yellow fever virus | 
| P27915 | Genome polyprotein | Dengue virus type 3 | 
| P26663 | Genome polyprotein | Hepatitis C virus genotype 1b | 
| P26662 | Genome polyprotein | Hepatitis C virus genotype 1b | 
| P96762 | Gentamicin resistance protein | Enterococcus gallinarum | 
| Q67FT0 | Gentisate 1,2-dioxygenase | Pseudaminobacter salicylatoxidans | 
| Q9F1Y5 | Geranyl diphosphate 2-C-methyltransferase | Streptomyces coelicolor  / M145 | 
| Q9SBR3 | Geranyl diphosphate synthase large subunit | Mentha piperita | 
| Q12051 | Geranylgeranyl pyrophosphate synthase | Saccharomyces cerevisiae | 
| P53610 | Geranylgeranyl transferase type-1 subunit beta | Rattus norvegicus | 
| Q08603 | Geranylgeranyl transferase type-2 subunit beta | Rattus norvegicus | 
| Q9A310 | GGDEF family protein | Caulobacter crescentus | 
| Q6L545 | Gibberellin receptor GID1 | Oryza sativa subsp. japonica | 
| Q9MAA7 | Gibberellin receptor GID1A | Arabidopsis thaliana | 
| Q5SH33 | GidA-related protein | Thermus thermophilus | 
| Q9V2J8 | GlgA glycogen synthase | Pyrococcus abyssi | 
| P29717 | Glucan 1,3-beta-glucosidase | Candida albicans | 
| Q7LHI2 | Glucanase | Phanerochaete chrysosporium | 
| B7X9Z0 | Glucanase | Coprinopsis cinerea | 
| P04150 | Glucocorticoid receptor | Homo sapiens | 
| P35557 | Glucokinase | Homo sapiens | 
| B1VZT1 | Glucokinase | Streptomyces griseus subsp. griseus | 
| Q14397 | Glucokinase regulatory protein | Homo sapiens | 
| Q9K706 | Gluconeogenesis factor | Bacillus halodurans | 
| Q4WCU5 | Glucosamine 6-phosphate acetyltransferase, putative | Neosartorya fumigata | 
| P43577 | Glucosamine 6-phosphate N-acetyltransferase | Saccharomyces cerevisiae | 
| Q96EK6 | Glucosamine 6-phosphate N-acetyltransferase | Homo sapiens | 
| P0A759 | Glucosamine-6-phosphate deaminase | Escherichia coli | 
| P40288 | Glucose 1-dehydrogenase | Bacillus megaterium | 
| Q977U7 | Glucose 1-dehydrogenase | Haloferax mediterranei | 
| O93715 | Glucose 1-dehydrogenase | Sulfolobus solfataricus | 
| P39485 | Glucose 1-dehydrogenase 4 | Bacillus megaterium | 
| Q9HK51 | Glucose 1-dehydrogenase related protein | Thermoplasma acidophilum | 
| P13006 | Glucose oxidase | Aspergillus niger | 
| B8MX95 | Glucose oxidase, putative | Aspergillus flavus | 
| P23509 | Glucose-1-phosphate adenylyltransferase small subunit, chloroplastic/amyloplastic | Solanum tuberosum | 
| Q9HU22 | Glucose-1-phosphate thymidylyltransferase | Pseudomonas aeruginosa | 
| P26393 | Glucose-1-phosphate thymidylyltransferase | Salmonella typhimurium | 
| P37744 | Glucose-1-phosphate thymidylyltransferase 1 | Escherichia coli | 
| P11411 | Glucose-6-phosphate 1-dehydrogenase | Leuconostoc mesenteroides | 
| Q07982 | Glucose-fructose oxidoreductase | Zymomonas mobilis subsp. mobilis | 
| Q9A8X3 | Glucose-fructose oxidoreductase | Caulobacter crescentus | 
| Q73WU1 | Glucosyl-3-phosphoglycerate synthase | Mycobacterium paratuberculosis | 
| P04062 | Glucosylceramidase | Homo sapiens | 
| B7TVP1 | Glutaconyl-CoA decarboxylase alpha subunit | Clostridium symbiosum | 
| Q9PJ29 | Glutamate 5-kinase | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| Q04609 | Glutamate carboxypeptidase 2 | Homo sapiens | 
| Q99259 | Glutamate decarboxylase 1 | Homo sapiens | 
| Q2SZ78 | Glutamate dehydrogenase | Burkholderia thailandensis | 
| P00366 | Glutamate dehydrogenase 1, mitochondrial | Bos taurus | 
| P80077 | Glutamate mutase epsilon subunit | Clostridium cochlearium | 
| Q9ZLT0 | Glutamate racemase | Helicobacter pylori | 
| P19491 | Glutamate receptor 2 | Rattus norvegicus | 
| P19492 | Glutamate receptor 3 | Rattus norvegicus | 
| P19493 | Glutamate receptor 4 | Rattus norvegicus | 
| P22756 | Glutamate receptor ionotropic, kainate 1 | Rattus norvegicus | 
| P42260 | Glutamate receptor ionotropic, kainate 2 | Rattus norvegicus | 
| P35439 | Glutamate receptor ionotropic, NMDA 1 | Rattus norvegicus | 
| Q00960 | Glutamate receptor ionotropic, NMDA 2B | Rattus norvegicus | 
| P97879 | Glutamate receptor-interacting protein 1 | Rattus norvegicus | 
| Q05755 | Glutamate synthase [NADPH] large chain | Azospirillum brasilense | 
| Q9X1X5 | Glutamate synthase, beta subunit | Thermotoga maritima | 
| P24630 | Glutamate-1-semialdehyde 2,1-aminomutase | Synechococcus sp. | 
| P0A6W9 | Glutamate-cysteine ligase | Escherichia coli | 
| Q970U6 | Glutamate-LysW ligase ArgX | Sulfolobus tokodaii | 
| P27000 | Glutamate-tRNA ligase | Thermus thermophilus | 
| Q9X2I8 | Glutamate-tRNA ligase 2 | Thermotoga maritima | 
| D3Z7P3 | Glutaminase kidney isoform, mitochondrial | Mus musculus | 
| P0A1P6 | Glutamine synthetase | Salmonella typhimurium | 
| P15104 | Glutamine synthetase | Homo sapiens | 
| P9WN39 | Glutamine synthetase | Mycobacterium tuberculosis | 
| P12425 | Glutamine synthetase | Bacillus subtilis | 
| P38561 | Glutamine synthetase root isozyme 3 | Zea mays | 
| P9WJJ3 | Glutamine-dependent NAD(+) synthetase | Mycobacterium tuberculosis | 
| P00962 | Glutamine-tRNA ligase | Escherichia coli | 
| Q3JP94 | Glutaryl-CoA dehydrogenase | Burkholderia pseudomallei | 
| C3UVB0 | Glutaryl-CoA dehydrogenase | Desulfococcus multivorans | 
| Q92947 | Glutaryl-CoA dehydrogenase, mitochondrial | Homo sapiens | 
| D0VWY5 | Glutathione amide reductase | Marichromatium gracile | 
| P06715 | Glutathione reductase | Escherichia coli | 
| Q94655 | Glutathione reductase | Plasmodium falciparum | 
| P00390 | Glutathione reductase, mitochondrial | Homo sapiens | 
| Q8MU52 | Glutathione S-transferase | Plasmodium falciparum | 
| P46088 | Glutathione S-transferase | Nototodarus sloanii | 
| P12653 | Glutathione S-transferase 1 | Zea mays | 
| O04941 | Glutathione S-transferase 1 | Aegilops tauschii | 
| Q93113 | Glutathione S-transferase 1, isoform D | Anopheles gambiae | 
| P20136 | Glutathione S-transferase 2 | Gallus gallus | 
| P26697 | Glutathione S-transferase 3 | Gallus gallus | 
| P13745 | Glutathione S-transferase A1 | Mus musculus | 
| P08263 | Glutathione S-transferase A1 | Homo sapiens | 
| P10648 | Glutathione S-transferase A2 | Mus musculus | 
| P24472 | Glutathione S-transferase A4 | Mus musculus | 
| P08515 | Glutathione S-transferase class-mu 26 kDa isozyme | Schistosoma japonicum | 
| P46422 | Glutathione S-transferase F2 | Arabidopsis thaliana | 
| Q9Y2Q3 | Glutathione S-transferase kappa 1 | Homo sapiens | 
| P04905 | Glutathione S-transferase Mu 1 | Rattus norvegicus | 
| P08010 | Glutathione S-transferase Mu 2 | Rattus norvegicus | 
| P28161 | Glutathione S-transferase Mu 2 | Homo sapiens | 
| P09211 | Glutathione S-transferase P | Homo sapiens | 
| P19157 | Glutathione S-transferase P 1 | Mus musculus | 
| P30711 | Glutathione S-transferase theta-1 | Homo sapiens | 
| Q4K4R5 | Glutathione S-transferase-like protein YibF | Pseudomonas fluorescens | 
| Q08220 | Glutathione synthetase | Saccharomyces cerevisiae | 
| Q9GN60 | Glutathione transferase GST1-4 | Anopheles dirus | 
| P46154 | Glutathione-independent formaldehyde dehydrogenase | Pseudomonas putida | 
| P42620 | Glutathionyl-hydroquinone reductase YqjG | Escherichia coli | 
| P00361 | Glyceraldehyde-3-phosphate dehydrogenase | Thermus aquaticus | 
| P10618 | Glyceraldehyde-3-phosphate dehydrogenase | Methanothermus fervidus | 
| P56649 | Glyceraldehyde-3-phosphate dehydrogenase | Panulirus versicolor | 
| O59494 | Glyceraldehyde-3-phosphate dehydrogenase | Pyrococcus horikoshii | 
| Q6GIL8 | Glyceraldehyde-3-phosphate dehydrogenase 1 | Staphylococcus aureus | 
| Q0J8A4 | Glyceraldehyde-3-phosphate dehydrogenase 1, cytosolic | Oryza sativa subsp. japonica | 
| P00359 | Glyceraldehyde-3-phosphate dehydrogenase 3 | Saccharomyces cerevisiae | 
| P0A9B2 | Glyceraldehyde-3-phosphate dehydrogenase A | Escherichia coli | 
| P19866 | Glyceraldehyde-3-phosphate dehydrogenase A, chloroplastic | Spinacia oleracea | 
| P25856 | Glyceraldehyde-3-phosphate dehydrogenase GAPA1, chloroplastic | Arabidopsis thaliana | 
| P25858 | Glyceraldehyde-3-phosphate dehydrogenase GAPC1, cytosolic | Arabidopsis thaliana | 
| Q27890 | Glyceraldehyde-3-phosphate dehydrogenase, glycosomal | Leishmania mexicana | 
| O14556 | Glyceraldehyde-3-phosphate dehydrogenase, testis-specific | Homo sapiens | 
| P32816 | Glycerol dehydrogenase | Geobacillus stearothermophilus | 
| P0A6F3 | Glycerol kinase | Escherichia coli | 
| Q58122 | Glycerol-1-phosphate dehydrogenase [NAD(P)+] | Methanocaldococcus jannaschii | 
| P27623 | Glycerol-3-phosphate cytidylyltransferase | Bacillus subtilis | 
| Q9KDW6 | Glycerol-3-phosphate dehydrogenase | Bacillus halodurans | 
| P90551 | Glycerol-3-phosphate dehydrogenase [NAD(+)], glycosomal | Leishmania mexicana | 
| Q8N335 | Glycerol-3-phosphate dehydrogenase 1-like protein | Homo sapiens | 
| O32243 | Glycine betaine/carnitine/choline-binding protein OpuCC | Bacillus subtilis | 
| P13255 | Glycine N-methyltransferase | Rattus norvegicus | 
| O31616 | Glycine oxidase | Bacillus subtilis | 
| Q5L2C2 | Glycine oxidase | Geobacillus kaustophilus | 
| P41250 | Glycine-tRNA ligase | Homo sapiens | 
| Q9PPK3 | Glycine-tRNA ligase alpha subunit | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| E7NKU1 | Glycogen [starch] synthase | Saccharomyces cerevisiae | 
| P27472 | Glycogen [starch] synthase isoform 2 | Saccharomyces cerevisiae | 
| P06737 | Glycogen phosphorylase, liver form | Homo sapiens | 
| P00489 | Glycogen phosphorylase, muscle form | Oryctolagus cuniculus | 
| P0A6U8 | Glycogen synthase | Escherichia coli | 
| P0A3F3 | Glycogen synthase 1 | Rhizobium radiobacter | 
| P49841 | Glycogen synthase kinase-3 beta | Homo sapiens | 
| P13280 | Glycogenin-1 | Oryctolagus cuniculus | 
| P46976 | Glycogenin-1 | Homo sapiens | 
| P27809 | Glycolipid 2-alpha-mannosyltransferase | Saccharomyces cerevisiae | 
| Q65MI2 | Glycoside Hydrolase Family 13 | Bacillus licheniformis | 
| G0RUC2 | Glycoside hydrolase family 15, cellulose signaling associated protein envoy | Hypocrea jecorina | 
| Q1ATN7 | Glycosyl transferase, family 2 | Rubrobacter xylanophilus | 
| Q5IFH7 | Glycosyltransferase | Medicago truncatula | 
| P14743 | Glycylpeptide N-tetradecanoyltransferase | Saccharomyces cerevisiae | 
| Q4Q5S8 | Glycylpeptide N-tetradecanoyltransferase | Leishmania major | 
| P30419 | Glycylpeptide N-tetradecanoyltransferase 1 | Homo sapiens | 
| O60551 | Glycylpeptide N-tetradecanoyltransferase 2 | Homo sapiens | 
| Q74DE4 | Glyoxalate/3-oxopropanoate/4-oxobutanoate reductase | Geobacter sulfurreducens | 
| P0AEP7 | Glyoxylate carboligase | Escherichia coli | 
| O58320 | Glyoxylate reductase | Pyrococcus horikoshii | 
| Q9UBQ7 | Glyoxylate reductase/hydroxypyruvate reductase | Homo sapiens | 
| Q8ZQ30 | Glyoxylate/hydroxypyruvate reductase A | Salmonella typhimurium | 
| Q81JJ9 | GMP reductase | Bacillus anthracis | 
| P36959 | GMP reductase 1 | Homo sapiens | 
| Q9P2T1 | GMP reductase 2 | Homo sapiens | 
| P49915 | GMP synthase [glutamine-hydrolyzing] | Homo sapiens | 
| Q8IJR9 | GMP synthase [glutamine-hydrolyzing] | Plasmodium falciparum | 
| Q9UYR9 | GPN-loop GTPase PAB0955 | Pyrococcus abyssi | 
| Q0DEV5 | Granule-bound starch synthase 1, chloroplastic/amyloplastic | Oryza sativa subsp. japonica | 
| O31246 | GTN Reductase | Rhizobium radiobacter | 
| P65388 | GTP 3',8-cyclase | Staphylococcus aureus | 
| P0A6T5 | GTP cyclohydrolase 1 | Escherichia coli | 
| Q5SH52 | GTP cyclohydrolase 1 | Thermus thermophilus | 
| Q26000 | GTPase (Rab6) | Plasmodium falciparum | 
| P06616 | GTPase Era | Escherichia coli | 
| P01112 | GTPase HRas | Homo sapiens | 
| Q9UG22 | GTPase IMAP family member 2 | Homo sapiens | 
| P01116 | GTPase KRas | Homo sapiens | 
| Q8TAI7 | GTPase RhebL1 | Homo sapiens | 
| E7KFU1 | GTP-binding nuclear protein | Saccharomyces cerevisiae | 
| P32835 | GTP-binding nuclear protein GSP1/CNR1 | Saccharomyces cerevisiae | 
| P62826 | GTP-binding nuclear protein Ran | Homo sapiens | 
| P53290 | GTP-binding protein GTR2 | Saccharomyces cerevisiae | 
| P55042 | GTP-binding protein RAD | Homo sapiens | 
| Q15382 | GTP-binding protein Rheb | Homo sapiens | 
| P06780 | GTP-binding protein RHO1 | Saccharomyces cerevisiae | 
| P32939 | GTP-binding protein YPT7 | Saccharomyces cerevisiae | 
| P10868 | Guanidinoacetate N-methyltransferase | Rattus norvegicus | 
| Q14353 | Guanidinoacetate N-methyltransferase | Homo sapiens | 
| Q9Y2T3 | Guanine deaminase | Homo sapiens | 
| P18064 | Guanine nucleotide-binding protein alpha-1 subunit | Arabidopsis thaliana | 
| P10824 | Guanine nucleotide-binding protein G(i) subunit alpha-1 | Rattus norvegicus | 
| P63096 | Guanine nucleotide-binding protein G(i) subunit alpha-1 | Homo sapiens | 
| P04896 | Guanine nucleotide-binding protein G(s) subunit alpha isoforms short | Bos taurus | 
| P27601 | Guanine nucleotide-binding protein subunit alpha-13 | Mus musculus | 
| P15454 | Guanylate kinase | Saccharomyces cerevisiae | 
| Q64520 | Guanylate kinase | Mus musculus | 
| Q5HGM3 | Guanylate kinase | Staphylococcus aureus | 
| P32455 | Guanylate-binding protein 1 | Homo sapiens | 
| P51795 | H(+)/Cl(-) exchange transporter 5 | Homo sapiens | 
| Q58734 | H(2)-forming methylenetetrahydromethanopterin dehydrogenase-related protein MJ1338 | Methanocaldococcus jannaschii | 
| Q93D82 | Halohydrin dehalogenase | Rhizobium radiobacter | 
| Q8IM15 | HAP protein | Plasmodium falciparum | 
| Q9Y006 | HAP protein | Plasmodium falciparum | 
| Q27198 | HAT A1 | Tetrahymena thermophila | 
| Q836G9 | HD domain protein | Enterococcus faecalis | 
| P0DMV8 | Heat shock 70 kDa protein 1A | Homo sapiens | 
| P0DMV9 | Heat shock 70 kDa protein 1B | Homo sapiens | 
| P17066 | Heat shock 70 kDa protein 6 | Homo sapiens | 
| P19120 | Heat shock cognate 71 kDa protein | Bos taurus | 
| P54651 | Heat shock cognate 90 kDa protein | Dictyostelium discoideum | 
| Q12931 | Heat shock protein 75 kDa, mitochondrial | Homo sapiens | 
| Q389P1 | Heat shock protein 83 | Trypanosoma brucei brucei | 
| Q4Q4I6 | Heat shock protein 83-1 | Leishmania major | 
| Q18688 | Heat shock protein 90 | Caenorhabditis elegans | 
| P32589 | Heat shock protein homolog SSE1 | Saccharomyces cerevisiae | 
| P07900 | Heat shock protein HSP 90-alpha | Homo sapiens | 
| P08238 | Heat shock protein HSP 90-beta | Homo sapiens | 
| Q70KP4 | Hemagglutinin-esterase | Porcine torovirus | 
| O60760 | Hematopoietic prostaglandin D synthase | Homo sapiens | 
| Q9U556 | Hemolymph juvenile hormone binding protein | Bombyx mori | 
| Q56257 | Hemolysin | Treponema denticola | 
| C6XZB6 | Heparin and heparin-sulfate lyase | Pedobacter heparinus | 
| Q89YQ6 | Heparin lyase I | Bacteroides thetaiotaomicron | 
| P08581 | Hepatocyte growth factor receptor | Homo sapiens | 
| Q9KLB0 | Hexapeptide-repeat containing-acetyltransferase | Vibrio cholerae serotype O1 | 
| Q13946 | High affinity cAMP-specific 3',5'-cyclic phosphodiesterase 7A | Homo sapiens | 
| O76083 | High affinity cGMP-specific 3',5'-cyclic phosphodiesterase 9A | Homo sapiens | 
| P04629 | High affinity nerve growth factor receptor | Homo sapiens | 
| P15363 | High affinity transport system protein p37 | Mycoplasma hyorhinis | 
| Q6IWJ5 | Histamine dehydrogenase | Nocardioides simplex | 
| P50135 | Histamine N-methyltransferase | Homo sapiens | 
| Q9C5U0 | Histidine kinase 4 | Arabidopsis thaliana | 
| A0R5M8 | Histidine N-alpha-methyltransferase | Mycobacterium smegmatis 155 | 
| C4LYI2 | Histidine triad nucleotide-binding protein | Entamoeba histolytica | 
| P49773 | Histidine triad nucleotide-binding protein 1 | Homo sapiens | 
| P80912 | Histidine triad nucleotide-binding protein 1 | Oryctolagus cuniculus | 
| Q8G2R2 | Histidinol dehydrogenase | Brucella suis biovar 1 | 
| Q4DA54 | Histidyl-tRNA synthetase, putative | Trypanosoma cruzi | 
| P16442 | Histo-blood group ABO system transferase | Homo sapiens | 
| Q08649 | Histone acetyltransferase ESA1 | Saccharomyces cerevisiae | 
| Q06592 | Histone acetyltransferase HPA2 | Saccharomyces cerevisiae | 
| Q92830 | Histone acetyltransferase KAT2A | Homo sapiens | 
| Q92831 | Histone acetyltransferase KAT2B | Homo sapiens | 
| Q92993 | Histone acetyltransferase KAT5 | Homo sapiens | 
| Q92794 | Histone acetyltransferase KAT6A | Homo sapiens | 
| Q9H7Z6 | Histone acetyltransferase KAT8 | Homo sapiens | 
| Q09472 | Histone acetyltransferase p300 | Homo sapiens | 
| Q07794 | Histone acetyltransferase RTT109 | Saccharomyces cerevisiae | 
| Q12341 | Histone acetyltransferase type B catalytic subunit | Saccharomyces cerevisiae | 
| A5H660 | Histone deacetylase | Schistosoma mansoni | 
| P56524 | Histone deacetylase 4 | Homo sapiens | 
| Q8WUI4 | Histone deacetylase 7 | Homo sapiens | 
| Q9BY41 | Histone deacetylase 8 | Homo sapiens | 
| Q70I53 | Histone deacetylase-like amidohydrolase | Alcaligenes sp.   | 
| O14607 | Histone demethylase UTY | Homo sapiens | 
| O41094 | Histone H3K27 methylase | Paramecium bursaria Chlorella virus 1 | 
| Q9UPP1 | Histone lysine demethylase PHF8 | Homo sapiens | 
| Q9WVG6 | Histone-arginine methyltransferase CARM1 | Mus musculus | 
| Q86X55 | Histone-arginine methyltransferase CARM1 | Homo sapiens | 
| Q8NEZ4 | Histone-lysine N-methyltransferase 2C | Homo sapiens | 
| O14686 | Histone-lysine N-methyltransferase 2D | Homo sapiens | 
| Q9NR48 | Histone-lysine N-methyltransferase ASH1L | Homo sapiens | 
| Q9H9B1 | Histone-lysine N-methyltransferase EHMT1 | Homo sapiens | 
| Q96KQ7 | Histone-lysine N-methyltransferase EHMT2 | Homo sapiens | 
| Q15910 | Histone-lysine N-methyltransferase EZH2 | Homo sapiens | 
| Q4FZB7 | Histone-lysine N-methyltransferase KMT5B | Homo sapiens | 
| Q6Q783 | Histone-lysine N-methyltransferase KMT5C | Mus musculus | 
| Q9BYW2 | Histone-lysine N-methyltransferase SETD2 | Homo sapiens | 
| Q8WTS6 | Histone-lysine N-methyltransferase SETD7 | Homo sapiens | 
| P97443 | Histone-lysine N-methyltransferase Smyd1 | Mus musculus | 
| Q9H7B4 | Histone-lysine N-methyltransferase SMYD3 | Homo sapiens | 
| Q9H5I1 | Histone-lysine N-methyltransferase SUV39H2 | Homo sapiens | 
| Q96L73 | Histone-lysine N-methyltransferase, H3 lysine-36 and H4 lysine-20 specific | Homo sapiens | 
| Q8TEK3 | Histone-lysine N-methyltransferase, H3 lysine-79 specific | Homo sapiens | 
| Q8GZB6 | Histone-lysine N-methyltransferase, H3 lysine-9 specific SUVH4 | Arabidopsis thaliana | 
| P18465 | HLA class I histocompatibility antigen, B-57 alpha chain | Homo sapiens | 
| D9PY12 | Hmd co-occurring protein HcgE | Methanothermobacter marburgensis | 
| Q9FD87 | HMG-CoA synthase | Staphylococcus aureus | 
| A9D857 | Hoefavidin | Hoeflea phototrophica | 
| Q56313 | Holliday junction ATP-dependent DNA helicase RuvB | Thermotoga maritima | 
| Q9PMT7 | Holliday junction ATP-dependent DNA helicase RuvB | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| Q9KPB6 | Holo-[acyl-carrier-protein] synthase | Vibrio cholerae serotype O1 | 
| Q5SIJ1 | Homoisocitrate dehydrogenase | Thermus thermophilus | 
| O14104 | Homoisocitrate dehydrogenase | Schizosaccharomyces pombe | 
| P31116 | Homoserine dehydrogenase | Saccharomyces cerevisiae | 
| Q9HIZ7 | Homoserine dehydrogenase related protein | Thermoplasma acidophilum | 
| Q58504 | Homoserine kinase | Methanocaldococcus jannaschii | 
| Q5ZSM2 | Homospermidine synthase | Legionella pneumophila subsp. pneumophila | 
| O32323 | Homospermidine synthase | Blastochloris viridis | 
| Q8IL32 | HSP90 | Plasmodium falciparum | 
| P9WMC1 | HTH-type transcriptional regulator EthR | Mycobacterium tuberculosis | 
| P0A0N4 | HTH-type transcriptional regulator QacR | Staphylococcus aureus | 
| P94678 | HTH-type transcriptional regulator TsaR | Comamonas testosteroni | 
| Q9AIU0 | HTH-type transcriptional regulator TtgR | Pseudomonas putida | 
| P0ACP7 | HTH-type transcriptional repressor PurR | Escherichia coli | 
| P10943 | Hut operon positive regulatory protein | Bacillus subtilis | 
| Q16836 | Hydroxyacyl-coenzyme A dehydrogenase, mitochondrial | Homo sapiens | 
| P30178 | Hydroxycarboxylate dehydrogenase B | Escherichia coli | 
| O69762 | Hydroxycinnamoyl-CoA hydratase-lyase | Pseudomonas fluorescens | 
| P39593 | Hydroxyethylthiazole kinase | Bacillus subtilis | 
| Q830K4 | Hydroxyethylthiazole kinase | Enterococcus faecalis | 
| G9MBV2 | Hydroxylase | Streptomyces lavendulae subsp. lavendulae | 
| P35914 | Hydroxymethylglutaryl-CoA lyase, mitochondrial | Homo sapiens | 
| Q9FD71 | Hydroxymethylglutaryl-CoA synthase | Enterococcus faecalis | 
| Q9M6U3 | Hydroxymethylglutaryl-CoA synthase | Brassica juncea | 
| Q01581 | Hydroxymethylglutaryl-CoA synthase, cytoplasmic | Homo sapiens | 
| P54868 | Hydroxymethylglutaryl-CoA synthase, mitochondrial | Homo sapiens | 
| Q79FX8 | Hydroxymycolate synthase MmaA4 | Mycobacterium tuberculosis | 
| Q65CJ7 | Hydroxyphenylpyruvate reductase | Plectranthus scutellarioides | 
| P00557 | Hygromycin-B 4-O-kinase | Escherichia coli | 
| O76977 | Hyperpolarization-activated (Ih) channel | Strongylocentrotus purpuratus | 
| Q8KKW2 | Hypothetical conserved protein | Rhizobium etli | 
| P00492 | Hypoxanthine-guanine phosphoribosyltransferase | Homo sapiens | 
| Q26997 | Hypoxanthine-guanine-xanthine phosphoribosyltransferase | Toxoplasma gondii | 
| Q9NWT6 | Hypoxia-inducible factor 1-alpha inhibitor | Homo sapiens | 
| Q9GPQ4 | IAG-nucleoside hydrolase | Trypanosoma vivax | 
| Q9X0C6 | Imidazole glycerol phosphate synthase subunit HisF | Thermotoga maritima | 
| Q9FLN8 | Indole-3-acetate O-methyltransferase 1 | Arabidopsis thaliana | 
| P9WFX7 | Indole-3-glycerol phosphate synthase | Mycobacterium tuberculosis | 
| P23234 | Indole-3-pyruvate decarboxylase | Enterobacter cloacae | 
| P51852 | Indole-3-pyruvate decarboxylase | Azospirillum brasilense | 
| O95050 | Indolethylamine N-methyltransferase | Homo sapiens | 
| Q07820 | Induced myeloid leukemia cell differentiation protein Mcl-1 | Homo sapiens | 
| O14920 | Inhibitor of nuclear factor kappa-B kinase subunit beta | Homo sapiens | 
| Q3JUV5 | Inorganic pyrophosphatase | Burkholderia pseudomallei | 
| P50097 | Inosine-5'-monophosphate dehydrogenase | Tritrichomonas foetus | 
| Q9HXM5 | Inosine-5'-monophosphate dehydrogenase | Pseudomonas aeruginosa | 
| P12268 | Inosine-5'-monophosphate dehydrogenase 2 | Homo sapiens | 
| Q5GUA3 | Inosine-uridine nucleoside N-ribohydrolase | Xanthomonas oryzae pv. oryzae | 
| Q8ZK57 | Inositol 2-dehydrogenase | Salmonella typhimurium | 
| P26935 | Inositol 2-dehydrogenase/D-chiro-inositol 3-dehydrogenase | Bacillus subtilis | 
| O43314 | Inositol hexakisphosphate and diphosphoinositol-pentakisphosphate kinase 2 | Homo sapiens | 
| P07250 | Inositol polyphosphate multikinase | Saccharomyces cerevisiae | 
| P11986 | Inositol-3-phosphate synthase | Saccharomyces cerevisiae | 
| Q93YN9 | Inositol-pentakisphosphate 2-kinase | Arabidopsis thaliana | 
| Q9XYQ1 | Inositol-tetrakisphosphate 1-kinase | Entamoeba histolytica | 
| P23677 | Inositol-trisphosphate 3-kinase A | Homo sapiens | 
| P06213 | Insulin receptor | Homo sapiens | 
| P14735 | Insulin-degrading enzyme | Homo sapiens | 
| P08069 | Insulin-like growth factor 1 receptor | Homo sapiens | 
| Q76353 | Integrase | Human immunodeficiency virus 1 | 
| P08514 | Integrin alpha-IIb | Homo sapiens | 
| P20701 | Integrin alpha-L | Homo sapiens | 
| P05556 | Integrin beta-1 | Homo sapiens | 
| Q13418 | Integrin-linked protein kinase | Homo sapiens | 
| P19525 | Interferon-induced, double-stranded RNA-activated protein kinase | Homo sapiens | 
| Q9CXY6 | Interleukin enhancer-binding factor 2 | Mus musculus | 
| Q9NWZ3 | Interleukin-1 receptor-associated kinase 4 | Homo sapiens | 
| P60568 | Interleukin-2 | Homo sapiens | 
| P03956 | Interstitial collagenase | Homo sapiens | 
| Q9DCX8 | Iodotyrosine deiodinase 1 | Mus musculus | 
| Q6PHW0 | Iodotyrosine deiodinase 1 | Homo sapiens | 
| Q46220 | Iota toxin component Ia | Clostridium perfringens | 
| K7WDL7 | Iridoid synthase | Catharanthus roseus | 
| Q12MB1 | Iron-containing alcohol dehydrogenase | Shewanella denitrificans | 
| O28015 | Iron-sulfur cluster carrier protein | Archaeoglobus fulgidus | 
| Q5JIH4 | Iron-sulfur cluster carrier protein | Thermococcus kodakarensis   | 
| P40409 | Iron-uptake system-binding protein | Bacillus subtilis | 
| Q9UKU7 | Isobutyryl-CoA dehydrogenase, mitochondrial | Homo sapiens | 
| Q96YK6 | Isocitrate dehydrogenase | Sulfolobus tokodaii | 
| Q9YE81 | Isocitrate dehydrogenase [NADP] | Aeropyrum pernix | 
| P33197 | Isocitrate dehydrogenase [NADP] | Thermus thermophilus | 
| P08200 | Isocitrate dehydrogenase [NADP] | Escherichia coli | 
| Q6AQ66 | Isocitrate dehydrogenase [NADP] | Desulfotalea psychrophila | 
| O75874 | Isocitrate dehydrogenase [NADP] cytoplasmic | Homo sapiens | 
| P21954 | Isocitrate dehydrogenase [NADP], mitochondrial | Saccharomyces cerevisiae | 
| Q8X607 | Isocitrate dehydrogenase kinase/phosphatase | Escherichia coli O157:H7 | 
| Q29U70 | Isoflavone 4'-O-methyltransferase | Medicago truncatula | 
| O24529 | Isoflavone-7-O-methyltransferase 8 | Medicago sativa | 
| P41972 | Isoleucine-tRNA ligase | Staphylococcus aureus | 
| P93324 | Isoliquiritigenin 2'-O-methyltransferase | Medicago sativa | 
| P05326 | Isopenicillin N synthase | Emericella nidulans | 
| Q60352 | Isopentenyl phosphate kinase | Methanocaldococcus jannaschii | 
| O26153 | Isopentenyl phosphate kinase | Methanothermobacter thermautotrophicus | 
| P50740 | Isopentenyl-diphosphate delta-isomerase | Bacillus subtilis | 
| Q746I8 | Isopentenyl-diphosphate delta-isomerase | Thermus thermophilus | 
| A0QTW7 | Isovaleryl-CoA dehydrogenase | Mycobacterium smegmatis 155 | 
| P26440 | Isovaleryl-CoA dehydrogenase, mitochondrial | Homo sapiens | 
| Q6E7K0 | JamJ | Lyngbya majuscula | 
| M1MR49 | Japanin | Rhipicephalus appendiculatus | 
| Q9SKE2 | Jasmonic acid-amido synthetase JAR1 | Arabidopsis thaliana | 
| Q92876 | Kallikrein-6 | Homo sapiens | 
| P05057 | Kanamycin nucleotidyltransferase | Staphylococcus aureus | 
| P41145 | Kappa-type opioid receptor | Homo sapiens | 
| D0EM77 | Karilysin | Tannerella forsythia | 
| Q14145 | Kelch-like ECH-associated protein 1 | Homo sapiens | 
| O54983 | Ketimine reductase mu-crystallin | Mus musculus | 
| Q67G28 | Keto reductase | Streptomyces griseoruber | 
| P50053 | Ketohexokinase | Homo sapiens | 
| P05793 | Ketol-acid reductoisomerase (NADP(+)) | Escherichia coli | 
| D0WGK0 | Ketol-acid reductoisomerase (NADP(+)) | Slackia exigua | 
| Q01292 | Ketol-acid reductoisomerase, chloroplastic | Spinacia oleracea | 
| Q65XK0 | Ketol-acid reductoisomerase, chloroplastic | Oryza sativa subsp. japonica | 
| N9UNA8 | Kinase | Entamoeba histolytica HM-1:IMSS-A | 
| P17210 | Kinesin heavy chain | Drosophila melanogaster | 
| Q41460 | Kinesin heavy chain-like protein | Solanum tuberosum | 
| P52732 | Kinesin-like protein KIF11 | Homo sapiens | 
| P33173 | Kinesin-like protein KIF1A | Mus musculus | 
| Q922S8 | Kinesin-like protein KIF2C | Mus musculus | 
| C5DN49 | KLTH0G14146p | Lachancea thermotolerans | 
| O32080 | Ktr system potassium uptake protein A | Bacillus subtilis | 
| A8CF85 | KtzI | Kutzneria sp. 744 | 
| P38169 | Kynurenine 3-monooxygenase | Saccharomyces cerevisiae | 
| Q8N5Z0 | Kynurenine/alpha-aminoadipate aminotransferase, mitochondrial | Homo sapiens | 
| Q16773 | Kynurenine-oxoglutarate transaminase 1 | Homo sapiens | 
| O53223 | L,D-transpeptidase 2 | Mycobacterium tuberculosis | 
| Q9ZNN8 | L-2,3-butanediol dehydrogenase | Corynebacterium glutamicum | 
| Q60176 | L-2-hydroxycarboxylate dehydrogenase (NAD(P)(+)) | Methanocaldococcus jannaschii | 
| P14295 | L-2-hydroxyisocaproate dehydrogenase | Weissella confusa | 
| Q70KY3 | Laccase-1 | Melanocarpus albomyces | 
| P25553 | Lactaldehyde dehydrogenase | Escherichia coli | 
| P0A9S1 | Lactaldehyde reductase | Escherichia coli | 
| P90613 | Lactate dehydrogenase | Toxoplasma gondii | 
| Q5CYZ2 | Lactate dehydrogenase, adjacent gene encodes predicted malate dehydrogenase | Cryptosporidium parvum | 
| Q44467 | Lactate oxidase | Aerococcus viridans | 
| A5JUY8 | Lactoperoxidase | Bubalus bubalis | 
| P80025 | Lactoperoxidase | Bos taurus | 
| P03023 | Lactose operon repressor | Escherichia coli | 
| P24627 | Lactotransferrin | Bos taurus | 
| Q04760 | Lactoylglutathione lyase | Homo sapiens | 
| P14755 | Lambda-crystallin | Oryctolagus cuniculus | 
| Q9Y2S2 | Lambda-crystallin homolog | Homo sapiens | 
| Q9WXN1 | Laminarinase | Thermotoga maritima | 
| Q9LCB2 | L-amino acid deaminase | Proteus vulgaris | 
| Q8VPD4 | L-amino acid oxidase | Rhodococcus opacus | 
| P81382 | L-amino-acid oxidase | Calloselasma rhodostoma | 
| P0DI84 | L-amino-acid oxidase | Vipera ammodytes ammodytes | 
| Q9NRN7 | L-aminoadipate-semialdehyde dehydrogenase-phosphopantetheinyl transferase | Homo sapiens | 
| P9WPP9 | Lanosterol 14-alpha demethylase | Mycobacterium tuberculosis | 
| Q16850 | Lanosterol 14-alpha demethylase | Homo sapiens | 
| A6ZSR0 | Lanosterol 14-alpha demethylase | Saccharomyces cerevisiae | 
| Q385E8 | Lanosterol 14-alpha-demethylase | Trypanosoma brucei brucei | 
| P48449 | Lanosterol synthase | Homo sapiens | 
| Q7SI09 | L-arabinitol 4-dehydrogenase | Neurospora crassa | 
| P46379 | Large proline-rich protein BAG6 | Homo sapiens | 
| Q91L20 | Large structural protein | Human metapneumovirus | 
| P03070 | Large T antigen | Simian virus 40 | 
| Q9X1X6 | L-aspartate dehydrogenase | Thermotoga maritima | 
| P10902 | L-aspartate oxidase | Escherichia coli | 
| P31572 | L-carnitine CoA-transferase | Escherichia coli | 
| Q9W3H4 | LD36273p | Drosophila melanogaster | 
| P15917 | Lethal factor | Bacillus anthracis | 
| Q9Y468 | Lethal(3)malignant brain tumor-like protein 1 | Homo sapiens | 
| Q04081 | Leucine carboxyl methyltransferase 1 | Saccharomyces cerevisiae | 
| P07813 | Leucine-tRNA ligase | Escherichia coli | 
| Q96323 | Leucoanthocyanidin dioxygenase | Arabidopsis thaliana | 
| P0A8P1 | Leucyl/phenylalanyl-tRNA-protein transferase | Escherichia coli | 
| Q6KHA5 | Leucyl-tRNA synthetase | Mycoplasma mobile | 
| Q6IP81 | Leukotriene A(4) hydrolase | Xenopus laevis | 
| P09960 | Leukotriene A-4 hydrolase | Homo sapiens | 
| Q10740 | Leukotriene A-4 hydrolase homolog | Saccharomyces cerevisiae | 
| Q9LBG2 | Levodione reductase | Leifsonia aquatica | 
| Q8L3C7 | L-glutamate oxidase | Streptomyces sp. X-119-6 | 
| Q1QZR8 | L-glutamine synthetase | Chromohalobacter salexigens | 
| Q46851 | L-glyceraldehyde 3-phosphate reductase | Escherichia coli | 
| Q93EK7 | LgtC | Neisseria meningitidis | 
| Q2NB98 | Light-activated DNA-binding protein EL222 | Erythrobacter litoralis | 
| P26789 | Light-harvesting protein B-800/850 alpha chain | Rhodoblastus acidophilus | 
| Q9RFD6 | Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein | Rhodobacter sphaeroides | 
| P53667 | LIM domain kinase 1 | Homo sapiens | 
| Q9S7S8 | Limit dextrinase | Hordeum vulgare | 
| Q92AS9 | Lin1840 protein | Listeria innocua serovar 6a | 
| Q70LM7 | Linear gramicidin synthase subunit A | Brevibacillus parabrevis | 
| P11181 | Lipoamide acyltransferase component of branched-chain alpha-keto acid dehydrogenase complex, mitochondrial | Bos taurus | 
| P32099 | Lipoate-protein ligase A | Escherichia coli | 
| Q9HKT1 | Lipoate-protein ligase A subunit 1 | Thermoplasma acidophilum | 
| Q72KX8 | Lipopolysaccaride biosynthesis protein wbpB | Thermus thermophilus | 
| P25740 | Lipopolysaccharide core biosynthesis protein RfaG | Escherichia coli | 
| P24173 | Lipopolysaccharide heptosyltransferase 1 | Escherichia coli | 
| A9IH93 | Lipopolysaccharides biosynthesis acetyltransferase | Bordetella petrii | 
| P26093 | Lipoprotein E | Haemophilus influenzae | 
| Q8DLC2 | Lipoyl synthase 2 | Thermosynechococcus elongatus | 
| O46419 | Lipoyltransferase 1, mitochondrial | Bos taurus | 
| P23141 | Liver carboxylesterase 1 | Homo sapiens | 
| P56511 | L-lactate dehydrogenase | Lactobacillus pentosus | 
| Q4PRK9 | L-lactate dehydrogenase | Plasmodium vivax | 
| Q5SJA1 | L-lactate dehydrogenase | Thermus thermophilus | 
| Q5HJD7 | L-lactate dehydrogenase 1 | Staphylococcus aureus | 
| E8ME30 | L-lactate dehydrogenase 2 | Bifidobacterium longum subsp. longum | 
| P13491 | L-lactate dehydrogenase A chain | Oryctolagus cuniculus | 
| P04642 | L-lactate dehydrogenase A chain | Rattus norvegicus | 
| Q93ZN9 | LL-diaminopimelate aminotransferase, chloroplastic | Arabidopsis thaliana | 
| Q9XBQ8 | L-lysine 2,3-aminomutase | Clostridium subterminale | 
| Q3J5L6 | L-malyl-CoA/beta-methylmalyl-CoA lyase | Rhodobacter sphaeroides | 
| Q8ZPD3 | L-methionine sulfoximine/L-methionine sulfone acetyltransferase | Salmonella typhimurium | 
| Q8Y7B7 | Lmo1369 protein | Listeria monocytogenes serovar 1/2a | 
| Q8Y746 | Lmo1466 protein | Listeria monocytogenes serovar 1/2a | 
| Q8Y6U9 | Lmo1582 protein | Listeria monocytogenes serovar 1/2a | 
| Q8Y3Y7 | Lmo2692 protein | Listeria monocytogenes serovar 1/2a | 
| Q8T6T7 | Lombricine kinase | Urechis caupo | 
| Q8KNZ7 | Long-chain N-acyl amino acid synthase | uncultured bacterium CSLC2 | 
| Q5SKN9 | Long-chain-fatty-acid-CoA ligase | Thermus thermophilus | 
| Q51548 | L-ornithine N(5)-monooxygenase | Pseudomonas aeruginosa | 
| M1E1F8 | LOV protein | Rhodobacter sphaeroides | 
| Q58933 | L-seryl-tRNA(Sec) kinase | Methanocaldococcus jannaschii | 
| Q58820 | L-sulfolactate dehydrogenase | Methanocaldococcus jannaschii | 
| O58389 | L-threonine 3-dehydrogenase | Pyrococcus horikoshii | 
| Q5SKS4 | L-threonine 3-dehydrogenase | Thermus thermophilus | 
| Q8K3F7 | L-threonine 3-dehydrogenase, mitochondrial | Mus musculus | 
| Q8KZM4 | L-threonine dehydrogenase | Flavobacterium frigidimaris | 
| P13129 | Luciferin 4-monooxygenase | Luciola cruciata | 
| C4TPG1 | Lumazine protein | Photobacterium kishitanii | 
| Q7Z4W1 | L-xylulose reductase | Homo sapiens | 
| B3IVI6 | Lysine 2-monooxygenase | Pseudomonas putida | 
| O75164 | Lysine-specific demethylase 4A | Homo sapiens | 
| O94953 | Lysine-specific demethylase 4B | Homo sapiens | 
| Q6B0I6 | Lysine-specific demethylase 4D | Homo sapiens | 
| O15054 | Lysine-specific demethylase 6B | Homo sapiens | 
| Q6ZMT4 | Lysine-specific demethylase 7A | Homo sapiens | 
| O60341 | Lysine-specific histone demethylase 1A | Homo sapiens | 
| Q8NB78 | Lysine-specific histone demethylase 1B | Homo sapiens | 
| Q15046 | Lysine-tRNA ligase | Homo sapiens | 
| Q9RHV9 | Lysine-tRNA ligase | Geobacillus stearothermophilus | 
| P10619 | Lysosomal protective protein | Homo sapiens | 
| P11941 | Lysozyme C II | Oncorhynchus mykiss | 
| O96935 | M1 family aminopeptidase | Plasmodium falciparum | 
| Q8IL11 | M17 leucyl aminopeptidase | Plasmodium falciparum | 
| Q96C86 | m7GpppX diphosphatase | Homo sapiens | 
| P07333 | Macrophage colony-stimulating factor 1 receptor | Homo sapiens | 
| P39900 | Macrophage metalloelastase | Homo sapiens | 
| P14174 | Macrophage migration inhibitory factor | Homo sapiens | 
| Q04912 | Macrophage-stimulating protein receptor | Homo sapiens | 
| Q55467 | Magnesium-protoporphyrin O-methyltransferase | Synechocystis sp. | 
| P07830 | Major actin | Dictyostelium discoideum | 
| Q95460 | Major histocompatibility complex class I-related gene protein | Homo sapiens | 
| P46072 | Major NAD(P)H-flavin oxidoreductase | Aliivibrio fischeri | 
| P15494 | Major pollen allergen Bet v 1-A | Betula pendula | 
| P43183 | Major pollen allergen Bet v 1-J | Betula pendula | 
| P43185 | Major pollen allergen Bet v 1-L | Betula pendula | 
| P11588 | Major urinary protein 1 | Mus musculus | 
| P02762 | Major urinary protein 6 | Mus musculus | 
| Q9ZF99 | Malate dehydrogenase | Aquaspirillum arcticum | 
| O59028 | Malate dehydrogenase | Pyrococcus horikoshii | 
| P10584 | Malate dehydrogenase | Thermus thermophilus | 
| P46489 | Malate dehydrogenase [NADP], chloroplastic | Flaveria bidentis | 
| Q5CYZ3 | Malate dehydrogenase, adjacent gene encodes predicted lactate dehydrogenase | Cryptosporidium parvum | 
| P11708 | Malate dehydrogenase, cytoplasmic | Sus scrofa | 
| P40926 | Malate dehydrogenase, mitochondrial | Homo sapiens | 
| C4M213 | Malate dehydrogenase, putative | Entamoeba histolytica | 
| D4GTL2 | Malate synthase | Haloferax volcanii | 
| P9WK16 | Malate synthase G | Mycobacterium tuberculosis | 
| P37330 | Malate synthase G | Escherichia coli | 
| Q53W84 | Malate/L-lactate dehydrogenase family protein | Thermus thermophilus | 
| A9CHP3 | Maleylacetate reductase | Agrobacterium fabrum   | 
| Q46TQ1 | Maleylacetate reductase | Cupriavidus pinatubonensis   | 
| P42412 | Malonate-semialdehyde dehydrogenase | Bacillus subtilis | 
| P0AAI9 | Malonyl CoA-acyl carrier protein transacylase | Escherichia coli | 
| Q96YK1 | Malonyl-CoA reductase | Sulfolobus tokodaii | 
| P00490 | Maltodextrin phosphorylase | Escherichia coli | 
| A1TH50 | Maltokinase | Mycobacterium vanbaalenii | 
| P68187 | Maltose/maltodextrin import ATP-binding protein MalK | Escherichia coli | 
| P54716 | Maltose-6'-phosphate glucosidase | Bacillus subtilis | 
| P0AEX9 | Maltose-binding periplasmic protein | Escherichia coli | 
| S5N020 | Malyl-CoA/beta-methylmalyl-CoA/citramalyl-CoA lyase | Chloroflexus aurantiacus | 
| P11444 | Mandelate racemase | Pseudomonas putida | 
| O08355 | Mannitol dehydrogenase | Pseudomonas fluorescens | 
| D0ITF8 | Mannitol dehydrogenase | Helicobacter pylori | 
| Q9X0C3 | Mannose-1-phosphate guanylyltransferase | Thermotoga maritima | 
| O58689 | Mannosyl-3-phosphoglycerate synthase | Pyrococcus horikoshii | 
| Q72K30 | Mannosyl-3-phosphogylcerate synthase | Thermus thermophilus | 
| Q9RFR0 | Mannosylglycerate synthase | Rhodothermus marinus | 
| A0R724 | MaoC like domain protein | Mycobacterium smegmatis 155 | 
| P49137 | MAP kinase-activated protein kinase 2 | Homo sapiens | 
| Q16644 | MAP kinase-activated protein kinase 3 | Homo sapiens | 
| P10721 | Mast/stem cell growth factor receptor Kit | Homo sapiens | 
| Q61846 | Maternal embryonic leucine zipper kinase | Mus musculus | 
| P09237 | Matrilysin | Homo sapiens | 
| P51512 | Matrix metalloproteinase-16 | Homo sapiens | 
| O60882 | Matrix metalloproteinase-20 | Homo sapiens | 
| P14780 | Matrix metalloproteinase-9 | Homo sapiens | 
| Q47506 | MccB protein | Escherichia coli | 
| Q47510 | MccE protein | Escherichia coli | 
| P11310 | Medium-chain specific acyl-CoA dehydrogenase, mitochondrial | Homo sapiens | 
| Q56328 | Membrane lipoprotein TpN38(b) | Treponema pallidum | 
| P41052 | Membrane-bound lytic murein transglycosylase B | Escherichia coli | 
| Q9HXN1 | Membrane-bound lytic murein transglycosylase F | Pseudomonas aeruginosa | 
| P00392 | Mercuric reductase | Pseudomonas aeruginosa | 
| P04964 | Meso-diaminopimelate D-dehydrogenase | Corynebacterium glutamicum | 
| Q67PI3 | Meso-diaminopimelate D-dehydrogenase | Symbiobacterium thermophilum | 
| G5ELM3 | Metallo-beta-lactamase | Serratia marcescens | 
| P52700 | Metallo-beta-lactamase L1 type 3 | Stenotrophomonas maltophilia | 
| P25910 | Metallo-beta-lactamase type 2 | Bacteroides fragilis | 
| P26918 | Metallo-beta-lactamase type 2 | Aeromonas hydrophila | 
| P52699 | Metallo-beta-lactamase type 2 | Serratia marcescens | 
| C7C422 | Metallo-beta-lactamase type 2 | Klebsiella pneumoniae | 
| A3DJ38 | Metallophosphoesterase | Clostridium thermocellum | 
| B1WBP0 | Metallophosphoesterase MPPED2 | Rattus norvegicus | 
| Q658P3 | Metalloreductase STEAP3 | Homo sapiens | 
| Q4V8K1 | Metalloreductase STEAP4 | Rattus norvegicus | 
| P18798 | Methane monooxygenase component A beta chain | Methylococcus capsulatus | 
| P22868 | Methane monooxygenase component C | Methylococcus capsulatus | 
| Q60AR6 | Methanol dehydrogenase protein, large subunit | Methylococcus capsulatus | 
| O28344 | Methenyltetrahydromethanopterin cyclohydrolase | Archaeoglobus fulgidus | 
| Q9NZL9 | Methionine adenosyltransferase 2 subunit beta | Homo sapiens | 
| P0AE18 | Methionine aminopeptidase | Escherichia coli | 
| P53582 | Methionine aminopeptidase 1 | Homo sapiens | 
| P50579 | Methionine aminopeptidase 2 | Homo sapiens | 
| P77806 | Methionine aminotransferase | Escherichia coli | 
| Q86D28 | Methionine gamma-lyase | Entamoeba histolytica | 
| Q84AR1 | Methionine gamma-lyase | Citrobacter freundii | 
| Q99707 | Methionine synthase | Homo sapiens | 
| P00959 | Methionine-tRNA ligase | Escherichia coli | 
| A0R3E2 | Methionine-tRNA ligase | Mycobacterium smegmatis 155 | 
| Q9LBJ0 | Methyl transferase | Burkholderia glumae | 
| Q49605 | Methyl-coenzyme M reductase I subunit alpha | Methanopyrus kandleri | 
| P11558 | Methyl-coenzyme M reductase I subunit alpha | Methanothermobacter marburgensis | 
| Q02046 | Methylenetetrahydrofolate dehydrogenase [NAD(+)] | Saccharomyces cerevisiae | 
| Q9RA47 | Methylenetetrahydrofolate reductase | Thermus thermophilus | 
| Q5SID2 | Methylenetetrahydrofolate-tRNA-(uracil-5-)-methyltransferase TrmFO | Thermus thermophilus | 
| E0YCS2 | Methylketone synthase I | Lycopersicon hirsutum f. glabratum | 
| G5CZI2 | Methylmalonate-semialdehyde dehydrogenase | Oceanimonas doudoroffii | 
| Q8GBW6 | Methylmalonyl-CoA carboxyltransferase 12S subunit | Propionibacterium freudenreichii subsp. shermanii | 
| P52045 | Methylmalonyl-CoA decarboxylase | Escherichia coli | 
| P11653 | Methylmalonyl-CoA mutase large subunit | Propionibacterium freudenreichii subsp. shermanii | 
| P22033 | Methylmalonyl-CoA mutase, mitochondrial | Homo sapiens | 
| O31663 | Methylthioribose kinase | Bacillus subtilis | 
| P95417 | Methyltransferase | Pseudomonas aeruginosa | 
| B4ADV2 | Methyltransferase domain family | Bacillus pumilus | 
| Q9ALM7 | Methyltransferase-like protein | Saccharopolyspora spinosa | 
| Q9FD73 | Mevalonate diphosphate decarboxylase | Staphylococcus epidermidis | 
| P17256 | Mevalonate kinase | Rattus norvegicus | 
| Q4Q6K7 | Mevalonate kinase | Leishmania major | 
| P84346 | Mexicain | Jacaratia mexicana | 
| A0A024 | MHC class I alpha chain | Homo sapiens | 
| Q47511 | Microcin C7 self-immunity protein MccF | Escherichia coli | 
| Q9X2W0 | Microcin-J25 export ATP-binding/permease protein McjD | Escherichia coli | 
| P08235 | Mineralocorticoid receptor | Homo sapiens | 
| P54278 | Mismatch repair endonuclease PMS2 | Homo sapiens | 
| Q9NQG6 | Mitochondrial dynamics protein MID51 | Homo sapiens | 
| P27882 | Mitochondrial FAD-linked sulfhydryl oxidase ERV1 | Saccharomyces cerevisiae | 
| F1NBW0 | Mitochondrial poly(A) polymerase | Gallus gallus | 
| E9BQ78 | Mitogen activated protein kinase, putative | Leishmania donovani | 
| Q7KQK7 | Mitogen-activated protein kinase | Plasmodium falciparum | 
| E9BA99 | Mitogen-activated protein kinase | Leishmania donovani | 
| P28482 | Mitogen-activated protein kinase 1 | Homo sapiens | 
| P53779 | Mitogen-activated protein kinase 10 | Homo sapiens | 
| Q15759 | Mitogen-activated protein kinase 11 | Homo sapiens | 
| P53778 | Mitogen-activated protein kinase 12 | Homo sapiens | 
| O15264 | Mitogen-activated protein kinase 13 | Homo sapiens | 
| Q16539 | Mitogen-activated protein kinase 14 | Homo sapiens | 
| P47811 | Mitogen-activated protein kinase 14 | Mus musculus | 
| P27361 | Mitogen-activated protein kinase 3 | Homo sapiens | 
| Q13164 | Mitogen-activated protein kinase 7 | Homo sapiens | 
| P45983 | Mitogen-activated protein kinase 8 | Homo sapiens | 
| P45984 | Mitogen-activated protein kinase 9 | Homo sapiens | 
| P16892 | Mitogen-activated protein kinase FUS3 | Saccharomyces cerevisiae | 
| Q99558 | Mitogen-activated protein kinase kinase kinase 14 | Homo sapiens | 
| Q9WUL6 | Mitogen-activated protein kinase kinase kinase 14 | Mus musculus | 
| Q9NYL2 | Mitogen-activated protein kinase kinase kinase 20 | Homo sapiens | 
| Q5TCX8 | Mitogen-activated protein kinase kinase kinase 21 | Homo sapiens | 
| Q99683 | Mitogen-activated protein kinase kinase kinase 5 | Homo sapiens | 
| P80192 | Mitogen-activated protein kinase kinase kinase 9 | Homo sapiens | 
| Q9X5T6 | Mitomycin biosynthesis 6-O-methyltransferase | Streptomyces lavendulae | 
| O05205 | Mitomycin-binding protein | Streptomyces lavendulae | 
| O43683 | Mitotic checkpoint serine/threonine-protein kinase BUB1 | Homo sapiens | 
| P39047 | Mitrocomin | Earleria cellularia | 
| Q988L5 | Mll6688 protein | Rhizobium loti | 
| A7Z470 | MlnA | Bacillus velezensis | 
| A7Z474 | MlnE | Bacillus velezensis | 
| P04043 | Modification methylase DpnIIA | Streptococcus pneumoniae | 
| P05102 | Modification methylase HhaI | Haemophilus parahaemolyticus | 
| P23192 | Modification methylase MboII | Moraxella bovis | 
| P11409 | Modification methylase PvuII | Proteus hauseri | 
| P14751 | Modification methylase RsrI | Rhodobacter sphaeroides | 
| P14385 | Modification methylase TaqI | Thermus aquaticus | 
| P0AEY5 | Modulator of drug activity B | Escherichia coli | 
| P15879 | Mono-ADP-ribosyltransferase C3 | Clostridium botulinum D phage | 
| P46882 | Monoamine oxidase N | Aspergillus niger | 
| Q99685 | Monoglyceride lipase | Homo sapiens | 
| P40859 | Monomeric sarcosine oxidase | Bacillus sp. | 
| P83818 | Monooxygenase | Thermus thermophilus | 
| Q51990 | Morphinone reductase | Pseudomonas putida | 
| Q9HVI8 | Motility regulator | Pseudomonas aeruginosa | 
| Q8SR66 | mRNA cap guanine-N7 methyltransferase | Encephalitozoon cuniculi | 
| O43148 | mRNA cap guanine-N7 methyltransferase | Homo sapiens | 
| Q08685 | mRNA cleavage and polyadenylation factor CLP1 | Saccharomyces cerevisiae | 
| P04298 | mRNA-capping enzyme catalytic subunit | Vaccinia virus    | 
| P78587 | mRNA-capping enzyme subunit alpha | Candida albicans | 
| Q8G9L0 | Muconolactone Delta-isomerase | Rhodococcus opacus | 
| Q9UDY8 | Mucosa-associated lymphoid tissue lymphoma translocation protein 1 | Homo sapiens | 
| P31224 | Multidrug efflux pump subunit AcrB | Escherichia coli | 
| P0AEY8 | Multidrug transporter MdfA | Escherichia coli | 
| P39075 | Multidrug-efflux transporter 1 regulator | Bacillus subtilis | 
| A0R2B1 | Multifunctional 2-oxoglutarate metabolism enzyme | Mycobacterium smegmatis 155 | 
| P16559 | Multifunctional cyclase-dehydratase-3-O-methyl transferase TcmN | Streptomyces glaucescens | 
| P11229 | Muscarinic acetylcholine receptor M1 | Homo sapiens | 
| P08172 | Muscarinic acetylcholine receptor M2 | Homo sapiens | 
| P08483 | Muscarinic acetylcholine receptor M3 | Rattus norvegicus | 
| P08173 | Muscarinic acetylcholine receptor M4 | Homo sapiens | 
| O33199 | MutT/nudix family protein | Mycobacterium tuberculosis | 
| Q9RVK2 | MutT/nudix family protein | Deinococcus radiodurans | 
| P42866 | Mu-type opioid receptor | Mus musculus | 
| Q93TX2 | MxaA | Stigmatella aurantiaca | 
| Q49492 | Mycinamicin III 3''-O-methyltransferase | Micromonospora griseorubida | 
| Q59523 | Mycinamicin IV hydroxylase/epoxidase | Micromonospora griseorubida | 
| Q83WF2 | Mycinamicin VI 2''-O-methyltransferase | Micromonospora griseorubida | 
| P9WPP7 | Mycocyclosin synthase | Mycobacterium tuberculosis | 
| P9WJM7 | Mycothiol acetyltransferase | Mycobacterium tuberculosis | 
| P05164 | Myeloperoxidase | Homo sapiens | 
| F9ULF9 | Myo-inositol 2-dehydrogenase-like (Promiscuous) | Lactobacillus plantarum | 
| Q7WUJ1 | Myo-inositol hexaphosphate phosphohydrolase | Selenomonas ruminantium | 
| O28480 | Myo-inositol-1-phosphate synthase (Ino1) | Archaeoglobus fulgidus | 
| Q9X1D6 | Myo-inositol-1-phosphate synthase-related protein | Thermotoga maritima | 
| P42527 | Myosin heavy chain kinase A | Dictyostelium discoideum | 
| P24733 | Myosin heavy chain, striated muscle | Argopecten irradians | 
| Q86YV6 | Myosin light chain kinase family member 4 | Homo sapiens | 
| P08799 | Myosin-2 heavy chain | Dictyostelium discoideum | 
| P12883 | Myosin-7 | Homo sapiens | 
| Q09013 | Myotonin-protein kinase | Homo sapiens | 
| Q9LCV9 | N(2)-(2-carboxyethyl)arginine synthase | Streptomyces clavuligerus | 
| Q56320 | N-(5'-phosphoribosyl)anthranilate isomerase | Thermotoga maritima | 
| Q5JID5 | N2, N2-dimethylguanosine tRNA methyltransferase | Thermococcus kodakarensis  | 
| P0AG18 | N5-carboxyaminoimidazole ribonucleotide mutase | Escherichia coli | 
| P09029 | N5-carboxyaminoimidazole ribonucleotide synthase | Escherichia coli | 
| Q5NGE8 | N5-carboxyaminoimidazole ribonucleotide synthase | Francisella tularensis subsp. tularensis | 
| Q8SRR4 | N6 adenine specific DNA methylase (methyltransferase superfamily) | Encephalitozoon cuniculi | 
| Q86U44 | N6-adenosine-methyltransferase 70 kDa subunit | Homo sapiens | 
| O67854 | Na(+):neurotransmitter symporter (Snf family) | Aquifex aeolicus | 
| Q7MT22 | Na(+)-translocating NADH-quinone reductase subunit F | Porphyromonas gingivalis | 
| V9M3A9 | N-acetyl-beta-D glucosaminidase | Rhizomucor miehei | 
| Q9UJ70 | N-acetyl-D-glucosamine kinase | Homo sapiens | 
| Q01415 | N-acetylgalactosamine kinase | Homo sapiens | 
| P9WPZ9 | N-acetyl-gamma-glutamyl-phosphate reductase | Mycobacterium tuberculosis | 
| Q0ASS9 | N-acetylglutamate kinase / N-acetylglutamate synthase | Maricaulis maris | 
| Q8N159 | N-acetylglutamate synthase, mitochondrial | Homo sapiens | 
| E8MF12 | N-acetylhexosamine 1-kinase | Bifidobacterium longum subsp. longum | 
| P14769 | N-acetyllactosaminide alpha-1,3-galactosyltransferase | Bos taurus | 
| Q9CKB0 | N-acetylneuraminate lyase | Pasteurella multocida | 
| Q8P8J2 | N-acetylornithine carbamoyltransferase | Xanthomonas campestris pv. campestris | 
| P9WFK7 | N-acetyltransferase Eis | Mycobacterium tuberculosis | 
| A0QY29 | N-acetyltransferase Eis | Mycobacterium smegmatis 155 | 
| Q5FWF5 | N-acetyltransferase ESCO1 | Homo sapiens | 
| Q81R98 | N-acetyltransferase family protein | Bacillus anthracis | 
| P0CJ63 | N-acyl homoserine lactonase AiiA | Bacillus thuringiensis subsp. kurstaki | 
| Q91XE4 | N-acyl-aromatic-L-amino acid amidohydrolase (carboxylate-forming) | Mus musculus | 
| P22441 | N-acylmannosamine 1-dehydrogenase | Flavobacterium sp. | 
| Q99KK2 | N-acylneuraminate cytidylyltransferase | Mus musculus | 
| P44569 | NAD 5'-nucleotidase | Haemophilus influenzae | 
| Q2YKG6 | NAD binding site:NAD-dependent epimerase/dehydratase:UDP-glucose 4-epimerase | Brucella abortus | 
| Q0K312 | NAD dependent epimerase/dehydratase | Cupriavidus necator | 
| O30297 | NAD kinase | Archaeoglobus fulgidus | 
| Q816V9 | NAD(FAD)-utilizing dehydrogenases | Bacillus cereus | 
| P07001 | NAD(P) transhydrogenase subunit alpha | Escherichia coli | 
| Q2RSB2 | NAD(P) transhydrogenase subunit alpha part 1 | Rhodospirillum rubrum | 
| Q2RSB4 | NAD(P) transhydrogenase subunit beta | Rhodospirillum rubrum | 
| P0C188 | NAD(P) transhydrogenase subunit beta | Rhodospirillum rubrum | 
| P11024 | NAD(P) transhydrogenase, mitochondrial | Bos taurus | 
| Q13423 | NAD(P) transhydrogenase, mitochondrial | Homo sapiens | 
| Q84DC3 | NAD(P)-dependent benzaldehyde dehydrogenase | Pseudomonas putida | 
| O57693 | NAD(P)-dependent glyceraldehyde-3-phosphate dehydrogenase | Thermoproteus tenax | 
| Q83RM3 | NAD(P)-dependent oxidoreductase | Shigella flexneri | 
| P9WHH7 | NAD(P)H dehydrogenase (quinone) | Mycobacterium tuberculosis | 
| Q9I509 | NAD(P)H dehydrogenase (quinone) | Pseudomonas aeruginosa | 
| P15559 | NAD(P)H dehydrogenase [quinone] 1 | Homo sapiens | 
| Q8EBV3 | NAD(P)H:flavin oxidoreductase Sye4 | Shewanella oneidensis | 
| O74237 | NAD(P)H-dependent D-xylose reductase | Candida tenuis | 
| Q07923 | NAD(P)H-dependent FMN reductase LOT6 | Saccharomyces cerevisiae | 
| A9CKT4 | NAD(P)H-flavin oxidoreductase | Agrobacterium fabrum   | 
| Q8K4Z3 | NAD(P)H-hydrate epimerase | Mus musculus | 
| Q72GR8 | NAD/NADP transhydrogenase alpha subunit 1 | Thermus thermophilus | 
| Q9HTJ1 | NAD/NADP-dependent betaine aldehyde dehydrogenase | Pseudomonas aeruginosa | 
| Q9Y9P9 | NAD-dependent alcohol dehydrogenase | Aeropyrum pernix | 
| P39462 | NAD-dependent alcohol dehydrogenase | Sulfolobus solfataricus | 
| Q92T34 | NAD-dependent dehydrogenase | Rhizobium meliloti | 
| A3MUJ4 | NAD-dependent epimerase/dehydratase | Pyrobaculum calidifontis | 
| P06700 | NAD-dependent histone deacetylase SIR2 | Saccharomyces cerevisiae | 
| Q9I5I6 | NAD-dependent L-serine dehydrogenase | Pseudomonas aeruginosa | 
| P23368 | NAD-dependent malic enzyme, mitochondrial | Homo sapiens | 
| Q9WYW0 | NAD-dependent protein deacetylase | Thermotoga maritima | 
| P53686 | NAD-dependent protein deacetylase HST2 | Saccharomyces cerevisiae | 
| Q96EB6 | NAD-dependent protein deacetylase sirtuin-1 | Homo sapiens | 
| Q8IXJ6 | NAD-dependent protein deacetylase sirtuin-2 | Homo sapiens | 
| Q9NTG7 | NAD-dependent protein deacetylase sirtuin-3, mitochondrial | Homo sapiens | 
| Q8N6T7 | NAD-dependent protein deacetylase sirtuin-6 | Homo sapiens | 
| O28597 | NAD-dependent protein deacylase 1 | Archaeoglobus fulgidus | 
| O30124 | NAD-dependent protein deacylase 2 | Archaeoglobus fulgidus | 
| Q9NXA8 | NAD-dependent protein deacylase sirtuin-5, mitochondrial | Homo sapiens | 
| Q9F1X5 | NADH oxidase | Lactobacillus sanfranciscensis | 
| Q8X236 | NADH oxidase/thioredoxin reductase | Sulfolobus solfataricus | 
| P37062 | NADH peroxidase | Enterococcus faecalis | 
| D6JHV3 | NADH pyrophosphatase | Escherichia coli B354 | 
| Q9R9V9 | NADH:flavin oxidoreductase | Pseudomonas putida | 
| Q8EEC8 | NADH:flavin oxidoreductase Sye1 | Shewanella oneidensis | 
| B0KAH1 | NADH:flavin oxidoreductase/NADH oxidase | Thermoanaerobacter pseudethanolicus | 
| Q5NLA1 | NADH:flavin oxidoreductase/NADH oxidase | Zymomonas mobilis subsp. mobilis | 
| Q1HA49 | NADH-cytochrome b5 reductase | Physarum polycephalum | 
| P20070 | NADH-cytochrome b5 reductase 3 | Rattus norvegicus | 
| G1K3P5 | NADH-dependent quinuclidinone reductase | Rhizobium radiobacter | 
| Q9AL95 | NADH-rubredoxin oxidoreductase | Clostridium acetobutylicum | 
| A0JSJ2 | NADP oxidoreductase, coenzyme F420-dependent | Arthrobacter sp. | 
| Q05016 | NADP-dependent 3-hydroxy acid dehydrogenase | Saccharomyces cerevisiae | 
| O57380 | NADP-dependent alcohol dehydrogenase | Pelophylax perezi | 
| Q04894 | NADP-dependent alcohol dehydrogenase 6 | Saccharomyces cerevisiae | 
| Q56694 | NADP-dependent fatty aldehyde dehydrogenase | Vibrio harveyi | 
| Q59931 | NADP-dependent glyceraldehyde-3-phosphate dehydrogenase | Streptococcus mutans serotype c | 
| Q9KAQ0 | NADP-dependent glyceraldehyde-3-phosphate dehydrogenase | Bacillus halodurans | 
| P25984 | NADP-dependent isopropanol dehydrogenase | Clostridium beijerinckii | 
| P40927 | NADP-dependent malic enzyme | Columba livia | 
| O93868 | NADP-dependent mannitol dehydrogenase | Agaricus bisporus | 
| P54550 | NADPH dehydrogenase | Bacillus subtilis | 
| Q5KXG9 | NADPH dehydrogenase | Geobacillus kaustophilus | 
| Q02899 | NADPH dehydrogenase 1 | Saccharomyces pastorianus | 
| Q6WVP7 | NADPH dependent R-specific alcohol dehydrogenase | Lactobacillus kefiri | 
| P08165 | NADPH:adrenodoxin oxidoreductase, mitochondrial | Bos taurus | 
| Q9L6V3 | NADPH:ferredoxin reductase | Rhodobacter capsulatus | 
| P00388 | NADPH-cytochrome P450 reductase | Rattus norvegicus | 
| P16603 | NADPH-cytochrome P450 reductase | Saccharomyces cerevisiae | 
| B9ZZZ6 | NADPH-dependent 3-quinuclidinone reductase | Rhodotorula mucilaginosa | 
| Q9KTK0 | NADPH-dependent 7-cyano-7-deazaguanine reductase | Vibrio cholerae serotype O1 | 
| O31678 | NADPH-dependent 7-cyano-7-deazaguanine reductase | Bacillus subtilis | 
| Q0PGJ6 | NADPH-dependent aldo-keto reductase, chloroplastic | Arabidopsis thaliana | 
| Q76L37 | NADPH-dependent conjugated polyketone reductase C1 | Candida parapsilosis | 
| Q76L36 | NADPH-dependent conjugated polyketone reductase C2 | Candida parapsilosis | 
| Q9UHB4 | NADPH-dependent diflavin oxidoreductase 1 | Homo sapiens | 
| Q12068 | NADPH-dependent methylglyoxal reductase GRE2 | Saccharomyces cerevisiae | 
| Q39172 | NADPH-dependent oxidoreductase 2-alkenal reductase | Arabidopsis thaliana | 
| P39644 | NADPH-dependent reductase BacG | Bacillus subtilis | 
| P9WIQ3 | NADPH-ferredoxin reductase FprA | Mycobacterium tuberculosis | 
| Q56691 | NADPH-flavin oxidoreductase | Vibrio harveyi | 
| A4PB64 | NADPH-sorbose reductase | Gluconobacter frateurii | 
| P31026 | NADP-specific glutamate dehydrogenase | Corynebacterium glutamicum | 
| Q980R9 | N-alpha-acetyltransferase | Sulfolobus solfataricus | 
| Q86UY6 | N-alpha-acetyltransferase 40 | Homo sapiens | 
| Q9USH6 | N-alpha-acetyltransferase 40 | Schizosaccharomyces pombe | 
| Q9GZZ1 | N-alpha-acetyltransferase 50 | Homo sapiens | 
| Q97BK3 | NDP-sugar epimerase | Thermoplasma volcanium | 
| Q70IY1 | nebramycin 5' synthase | Streptoalloteichus tenebrarius | 
| P0A3R9 | Neocarzinostatin | Streptomyces carzinostaticus | 
| Q08751 | Neopullulanase 2 | Thermoactinomyces vulgaris | 
| P08473 | Neprilysin | Homo sapiens | 
| Q3JFM9 | N-ethylmaleimide reductase | Burkholderia pseudomallei | 
| Q6DPL2 | Neuraminidase | Influenza A virus  | 
| P42676 | Neurolysin, mitochondrial | Rattus norvegicus | 
| P62166 | Neuronal calcium sensor 1 | Homo sapiens | 
| Q9UH03 | Neuronal-specific septin-3 | Homo sapiens | 
| O14786 | Neuropilin-1 | Homo sapiens | 
| Q8BHN3 | Neutral alpha-glucosidase AB | Mus musculus | 
| P22894 | Neutrophil collagenase | Homo sapiens | 
| P80188 | Neutrophil gelatinase-associated lipocalin | Homo sapiens | 
| O15527 | N-glycosylase/DNA lyase | Homo sapiens | 
| Q8ZVK6 | N-glycosylase/DNA lyase | Pyrobaculum aerophilum | 
| P08164 | NH(3)-dependent NAD(+) synthetase | Bacillus subtilis | 
| Q81RP3 | NH(3)-dependent NAD(+) synthetase | Bacillus anthracis | 
| P33590 | Nickel-binding periplasmic protein | Escherichia coli | 
| O55239 | Nicotinamide N-methyltransferase | Mus musculus | 
| Q80Z29 | Nicotinamide phosphoribosyltransferase | Rattus norvegicus | 
| Q9NWW6 | Nicotinamide riboside kinase 1 | Homo sapiens | 
| D2ZZC1 | Nicotinamide riboside transporter PnuC | Neisseria mucosa | 
| Q9HAN9 | Nicotinamide/nicotinic acid mononucleotide adenylyltransferase 1 | Homo sapiens | 
| Q96T66 | Nicotinamide/nicotinic acid mononucleotide adenylyltransferase 3 | Homo sapiens | 
| O26253 | Nicotinamide-nucleotide adenylyltransferase | Methanothermobacter thermautotrophicus | 
| Q57961 | Nicotinamide-nucleotide adenylyltransferase | Methanocaldococcus jannaschii | 
| P0A752 | Nicotinate-nucleotide adenylyltransferase | Escherichia coli | 
| Q8TZS9 | Nicotinate-nucleotide pyrophosphorylase | Pyrococcus furiosus | 
| P30012 | Nicotinate-nucleotide pyrophosphorylase [carboxylating] | Salmonella typhimurium | 
| I3LK75 | Nicotinate-nucleotide pyrophosphorylase [carboxylating] | Sus scrofa | 
| Q05603 | Nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase | Salmonella typhimurium | 
| F6MZ55 | Nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase | Sporomusa ovata | 
| O15118 | Niemann-Pick C1 protein | Homo sapiens | 
| P17571 | Nitrate reductase [NADH] | Zea mays | 
| Q9FDN7 | Nitric oxide reductase | Moorella thermoacetica | 
| B3Y963 | Nitric oxide reductase | Geobacillus stearothermophilus | 
| P0A004 | Nitric oxide synthase oxygenase | Staphylococcus aureus | 
| O34453 | Nitric oxide synthase oxygenase | Bacillus subtilis | 
| P29476 | Nitric oxide synthase, brain | Rattus norvegicus | 
| P29474 | Nitric oxide synthase, endothelial | Homo sapiens | 
| P29477 | Nitric oxide synthase, inducible | Mus musculus | 
| P35228 | Nitric oxide synthase, inducible | Homo sapiens | 
| Q8X1D8 | Nitroalkane oxidase | Fusarium oxysporum | 
| B2AM55 | Nitroalkane oxidase | Podospora anserina | 
| P30663 | Nitrogen fixation regulatory protein | Azotobacter vinelandii | 
| Q5AU62 | Nitrogen metabolite repression protein nmrA | Emericella nidulans | 
| Q07428 | Nitrogen regulatory PII-like protein | Bacillus subtilis | 
| A8JI83 | Nitrogen regulatory protein PII | Chlamydomonas reinhardtii | 
| O66513 | Nitrogen regulatory protein P-II | Aquifex aeolicus | 
| P0A3F4 | Nitrogen regulatory protein P-II | Synechococcus elongatus | 
| O28527 | Nitrogen regulatory protein P-II (GlnB-2) | Archaeoglobus fulgidus | 
| O28524 | Nitrogen regulatory protein P-II (GlnB-3) | Archaeoglobus fulgidus | 
| P70731 | Nitrogen regulatory protein P-II 1 | Azospirillum brasilense | 
| P00459 | Nitrogenase iron protein 1 | Azotobacter vinelandii | 
| Q9I4V0 | Nitronate monooxygenase | Pseudomonas aeruginosa | 
| Q314Q8 | Nitroreductase | Desulfovibrio alaskensis | 
| A0R6D0 | Nitroreductase NfnB | Mycobacterium smegmatis 155 | 
| Q9NQR1 | N-lysine methyltransferase KMT5A | Homo sapiens | 
| Q9NRG4 | N-lysine methyltransferase SMYD2 | Homo sapiens | 
| Q91977 | NMDA glutamate receptor subunit | Xenopus laevis | 
| Q9HBL8 | NmrA-like family domain-containing protein 1 | Homo sapiens | 
| P41146 | Nociceptin receptor | Homo sapiens | 
| Q9AQ17 | Nodulation protein Z | Bradyrhizobium sp. | 
| P93330 | Nodulin-13 | Medicago truncatula | 
| Q9RN59 | Nogalonic acid methyl ester cyclase | Streptomyces nogalater | 
| P12745 | Non-fluorescent flavoprotein | Photobacterium phosphoreum | 
| P29597 | Non-receptor tyrosine-protein kinase TYK2 | Homo sapiens | 
| C9ZUV7 | Nonspecific lipid-transfer protein, putative | Trypanosoma brucei gambiense | 
| P36328 | Non-structural polyprotein | Venezuelan equine encephalitis virus | 
| Q19QX1 | Nonstructural polyprotein pp1a | Human SARS coronavirus | 
| Q03243 | Non-structural protein 2 | Rotavirus A    | 
| O49003 | NPH1-1 | Avena sativa | 
| O49004 | NPH1-2 | Avena sativa | 
| O50174 | N-succinylglutamate 5-semialdehyde dehydrogenase | Pseudomonas aeruginosa | 
| Q9UTI3 | N-terminal acetyltransferase A complex catalytic subunit ard1 | Schizosaccharomyces pombe | 
| Q08689 | N-terminal acetyltransferase A complex subunit NAT5 | Saccharomyces cerevisiae | 
| Q94M05 | NTPase P4 | Pseudomonas phage phi12 | 
| D0VX10 | NtrC-like two-domain protein | [Eubacterium] rectale | 
| Q8U2K6 | N-type ATP pyrophosphatase superfamily | Pyrococcus furiosus | 
| Q9XZJ5 | Nuclear hormone receptor of the steroid/thyroid hormone receptors superfamily | Strongyloides stercoralis | 
| P52948 | Nuclear pore complex protein Nup98-Nup96 | Homo sapiens | 
| P35398 | Nuclear receptor ROR-alpha | Homo sapiens | 
| P45446 | Nuclear receptor ROR-beta | Rattus norvegicus | 
| P51449 | Nuclear receptor ROR-gamma | Homo sapiens | 
| O75469 | Nuclear receptor subfamily 1 group I member 2 | Homo sapiens | 
| P22736 | Nuclear receptor subfamily 4 group A member 1 | Homo sapiens | 
| O00482 | Nuclear receptor subfamily 5 group A member 2 | Homo sapiens | 
| I6WJ72 | Nucleocapsid protein | Phlebovirus JS2010-018 | 
| P13699 | Nucleoprotein | Lassa virus | 
| B4URF1 | Nucleoprotein | Influenza A virus  | 
| Q8RLY5 | Nucleoside 2-deoxyribosyltransferase | Lactobacillus helveticus | 
| P15266 | Nucleoside diphosphate kinase | Myxococcus xanthus | 
| Q5SLV5 | Nucleoside diphosphate kinase | Thermus thermophilus | 
| P61136 | Nucleoside diphosphate kinase | Halobacterium salinarum | 
| Q381H3 | Nucleoside diphosphate kinase | Trypanosoma brucei brucei | 
| Q13232 | Nucleoside diphosphate kinase 3 | Homo sapiens | 
| P15531 | Nucleoside diphosphate kinase A | Homo sapiens | 
| P52175 | Nucleoside diphosphate kinase A 2 | Bos taurus | 
| P22392 | Nucleoside diphosphate kinase B | Homo sapiens | 
| P22887 | Nucleoside diphosphate kinase, cytosolic | Dictyostelium discoideum | 
| Q9KPL5 | Nucleoside permease | Vibrio cholerae serotype O1 | 
| G1T469 | Nucleotide binding oligomerization domain containing 2 | Oryctolagus cuniculus | 
| P0A8D6 | O-acetyl-ADP-ribose deacetylase | Escherichia coli | 
| Q9Y530 | O-acetyl-ADP-ribose deacetylase 1 | Homo sapiens | 
| P9WP55 | O-acetylserine sulfhydrylase | Mycobacterium tuberculosis | 
| J7I4B7 | O-antigen chain terminator bifunctional methyltransferase/kinase WbdD | Escherichia coli | 
| Q47592 | O-antigen chain terminator bifunctional methyltransferase/kinase WbdD | Escherichia coli | 
| Q27709 | Obelin | Obelia longissima | 
| F0V3Z3 | Octenoyl-CoA reductase/carboxylase | Streptomyces sp. JS360 | 
| Q9BHM6 | Octopine dehydrogenase | Pecten maximus | 
| Q8WRW5 | Odorant binding protein ASP1 | Apis mellifera | 
| P07435 | Odorant-binding protein | Bos taurus | 
| Q89ZI2 | O-GlcNAcase BT_4395 | Bacteroides thetaiotaomicron | 
| Q0TR53 | O-GlcNAcase NagJ | Clostridium perfringens | 
| Q7KJA9 | O-glycosyltransferase | Drosophila melanogaster | 
| Q2MHR1 | Okadaic acid binding protein 2-alpha | Halichondria okadai | 
| Q6I7B7 | Old yellow enzyme | Kluyveromyces marxianus | 
| Q3HTL7 | Oleandomycin glycosyltransferase | Streptomyces antibioticus | 
| Q53685 | Oleandomycin glycosyltransferase | Streptomyces antibioticus | 
| C7DLJ6 | Oleate hydratase | Elizabethkingia meningoseptica | 
| Q4W803 | Oligopeptidase | Geobacillus sp. MO-1 | 
| Q8EGK4 | Omega-3 polyunsaturated fatty acid synthase subunit PfaD | Shewanella oneidensis | 
| Q6YI95 | O-methyltransferase | Mesembryanthemum crystallinum | 
| D5STZ7 | O-methyltransferase family 2 | Planctopirus limnophila | 
| Q2GKC7 | O-methyltransferase family protein | Anaplasma phagocytophilum | 
| Q739U3 | O-methyltransferase, putative | Bacillus cereus | 
| P74102 | Orange carotenoid-binding protein | Synechocystis sp. | 
| Q8ZYK1 | ORC1-type DNA replication protein | Pyrobaculum aerophilum | 
| Q9YFU8 | ORC1-type DNA replication protein 2 | Aeropyrum pernix | 
| O43613 | Orexin receptor type 1 | Homo sapiens | 
| O43614 | Orexin receptor type 2 | Homo sapiens | 
| Q8KRB5 | Orf14 | Streptomyces clavuligerus | 
| Q6RCZ9 | Orf1a polyprotein | SARS coronavirus TW6 | 
| Q6T1E9 | Orf1ab polyprotein | SARS coronavirus CUHK-L2 | 
| P04181 | Ornithine aminotransferase, mitochondrial | Homo sapiens | 
| S8EY38 | Ornithine aminotransferase, mitochondrial, putative | Toxoplasma gondii | 
| Q64Z33 | Ornithine carbamoyltransferase | Bacteroides fragilis | 
| Q9TZZ6 | Ornithine decarboxylase | Trypanosoma brucei gambiense | 
| P08870 | Orotate phosphoribosyltransferase | Salmonella typhimurium | 
| P13298 | Orotate phosphoribosyltransferase 1 | Saccharomyces cerevisiae | 
| Q8T6J6 | Orotidine 5'-monophosphate decarboxylase | Plasmodium falciparum | 
| O26232 | Orotidine 5'-phosphate decarboxylase | Methanothermobacter thermautotrophicus | 
| Q5L0U0 | Orotidine 5'-phosphate decarboxylase | Geobacillus kaustophilus | 
| E9BCQ9 | Orotidine-5-phosphate decarboxylase/orotate phosphoribosyltransferase, putative | Leishmania donovani | 
| P0AEJ4 | Osmolarity sensor protein EnvZ | Escherichia coli | 
| P29208 | o-succinylbenzoate synthase | Escherichia coli | 
| Q2RI41 | Oxalate oxidoreductase subunit alpha | Moorella thermoacetica | 
| P40149 | Oxalyl-CoA decarboxylase | Oxalobacter formigenes | 
| Q7SIA1 | Oxidoreductase | Thermus thermophilus | 
| P76187 | Oxidoreductase YdhF | Escherichia coli | 
| Q9X0A2 | Oxidoreductase, aldo/keto reductase family | Thermotoga maritima | 
| Q2YIM3 | Oxidoreductase, putative | Brucella abortus | 
| Q833L5 | Oxidoreductase, pyridine nucleotide-disulfide family | Enterococcus faecalis | 
| Q9WYS2 | Oxidoreductase, short chain dehydrogenase/reductase family | Thermotoga maritima | 
| Q5SLC4 | Oxidoreductase, short-chain dehydrogenase/reductase family | Thermus thermophilus | 
| Q194P4 | Oxygenase | Streptomyces argillaceus | 
| P32131 | Oxygen-independent coproporphyrinogen III oxidase | Escherichia coli | 
| P38489 | Oxygen-insensitive NAD(P)H nitroreductase | Escherichia coli | 
| Q01234 | Oxygen-insensitive NAD(P)H nitroreductase | Enterobacter cloacae | 
| O25608 | Oxygen-insensitive NADPH nitroreductase | Helicobacter pylori | 
| P35844 | Oxysterol-binding protein homolog 4 | Saccharomyces cerevisiae | 
| Q9Z0Y9 | Oxysterols receptor LXR-alpha | Mus musculus | 
| P55055 | Oxysterols receptor LXR-beta | Homo sapiens | 
| Q9H244 | P2Y purinoceptor 12 | Homo sapiens | 
| Q7SDP4 | PAB-dependent poly(A)-specific ribonuclease subunit pan3 | Neurospora crassa | 
| Q6P988 | Palmitoleoyl-protein carboxylesterase NOTUM | Homo sapiens | 
| P04746 | Pancreatic alpha-amylase | Homo sapiens | 
| P37613 | PanD regulatory factor | Escherichia coli | 
| P0A6I3 | Pantothenate kinase | Escherichia coli | 
| Q83EV9 | Pantothenate kinase | Coxiella burnetii | 
| Q8TE04 | Pantothenate kinase 1 | Homo sapiens | 
| Q9H999 | Pantothenate kinase 3 | Homo sapiens | 
| P9WIL5 | Pantothenate synthetase | Mycobacterium tuberculosis | 
| Q6GDK5 | Pantothenate synthetase | Staphylococcus aureus | 
| Q6YRW8 | ParA family chromosome partitioning protein | Synechocystis sp. | 
| P0A434 | Parathion hydrolase | Brevundimonas diminuta | 
| O52793 | PCZA361.3 | Amycolatopsis orientalis | 
| P12256 | Penicillin acylase | Lysinibacillus sphaericus | 
| P06875 | Penicillin G acylase | Escherichia coli | 
| P14677 | Penicillin-binding protein 2x | Streptococcus pneumoniae serotype 4 | 
| P00798 | Penicillopepsin-1 | Penicillium janthinellum | 
| P71278 | Pentaerythritol tetranitrate reductase | Enterobacter cloacae | 
| P07547 | Pentafunctional AROM polypeptide | Emericella nidulans | 
| Q825I8 | Pentalenic acid synthase | Streptomyces avermitilis | 
| P76014 | PEP-dependent dihydroxyacetone kinase, ADP-binding subunit DhaL | Escherichia coli | 
| P00791 | Pepsin A | Sus scrofa | 
| P0DJD7 | Pepsin A-4 | Homo sapiens | 
| P0A6K3 | Peptide deformylase | Escherichia coli | 
| Q9I7A8 | Peptide deformylase | Pseudomonas aeruginosa | 
| Q4QMV6 | Peptide deformylase | Haemophilus influenzae | 
| Q819U0 | Peptide deformylase 1 | Bacillus cereus | 
| Q9FV53 | Peptide deformylase 1A, chloroplastic/mitochondrial | Arabidopsis thaliana | 
| Q9FUZ2 | Peptide deformylase 1B, chloroplastic/mitochondrial | Arabidopsis thaliana | 
| O31410 | Peptide deformylase 2 | Geobacillus stearothermophilus | 
| Q819K2 | Peptide deformylase 2 | Bacillus cereus | 
| Q9HBH1 | Peptide deformylase, mitochondrial | Homo sapiens | 
| G3XD46 | Peptidoglycan D,D-transpeptidase FtsI | Pseudomonas aeruginosa | 
| Q9GK12 | Peptidoglycan recognition protein 1 | Camelus dromedarius | 
| Q9VXN9 | Peptidoglycan-recognition protein LE | Drosophila melanogaster | 
| P14925 | Peptidyl-glycine alpha-amidating monooxygenase | Rattus norvegicus | 
| Q3JK38 | Peptidyl-prolyl cis-trans isomerase | Burkholderia pseudomallei | 
| Q5SLE7 | Peptidyl-prolyl cis-trans isomerase | Thermus thermophilus | 
| P62937 | Peptidyl-prolyl cis-trans isomerase A | Homo sapiens | 
| P62942 | Peptidyl-prolyl cis-trans isomerase FKBP1A | Homo sapiens | 
| P18203 | Peptidyl-prolyl cis-trans isomerase FKBP1A | Bos taurus | 
| P68106 | Peptidyl-prolyl cis-trans isomerase FKBP1B | Homo sapiens | 
| Q02790 | Peptidyl-prolyl cis-trans isomerase FKBP4 | Homo sapiens | 
| Q13451 | Peptidyl-prolyl cis-trans isomerase FKBP5 | Homo sapiens | 
| Q13526 | Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 | Homo sapiens | 
| Q8I4V8 | Peptidylprolyl isomerase | Plasmodium falciparum | 
| Q3L181 | Perakine reductase | Rauvolfia serpentina | 
| P55201 | Peregrin | Homo sapiens | 
| O76183 | Peridinin-chlorophyll a protein, high-salt form | Amphidinium carterae | 
| P80484 | Peridinin-chlorophyll a-binding protein 1, chloroplastic | Amphidinium carterae | 
| O14936 | Peripheral plasma membrane protein CASK | Homo sapiens | 
| P07102 | Periplasmic AppA protein | Escherichia coli | 
| Q9AJF5 | Periplasmic binding protein | Thermoactinomyces vulgaris | 
| P77348 | Periplasmic murein peptide-binding protein | Escherichia coli | 
| P81186 | Periplasmic nitrate reductase | Desulfovibrio desulfuricans | 
| P33937 | Periplasmic nitrate reductase | Escherichia coli | 
| P39099 | Periplasmic pH-dependent serine endoprotease DegQ | Escherichia coli | 
| P0C0V0 | Periplasmic serine endoprotease DegP | Escherichia coli | 
| B3LRE1 | Peroxidase | Saccharomyces cerevisiae | 
| P00433 | Peroxidase C1A | Armoracia rusticana | 
| P05414 | Peroxisomal (S)-2-hydroxy-acid oxidase | Spinacia oleracea | 
| Q9NUI1 | Peroxisomal 2,4-dienoyl-CoA reductase | Homo sapiens | 
| P07896 | Peroxisomal bifunctional enzyme | Rattus norvegicus | 
| Q9DC50 | Peroxisomal carnitine O-octanoyltransferase | Mus musculus | 
| P22414 | Peroxisomal hydratase-dehydrogenase-epimerase | Candida tropicalis | 
| Q07869 | Peroxisome proliferator-activated receptor alpha | Homo sapiens | 
| Q03181 | Peroxisome proliferator-activated receptor delta | Homo sapiens | 
| P37231 | Peroxisome proliferator-activated receptor gamma | Homo sapiens | 
| P0A3R5 | Pertussis toxin subunit 4 | Bordetella pertussis | 
| Q81RQ8 | Petrobactin biosynthesis protein AsbB | Bacillus anthracis | 
| Q2SZE4 | PfkB carbohydrate kinase family protein | Burkholderia thailandensis | 
| Q93LY7 | PgaE | Streptomyces sp. PGA64 | 
| Q396C9 | Phenazine biosynthesis protein A/B | Burkholderia lata | 
| Q51793 | Phenazine biosynthesis protein PhzG | Pseudomonas fluorescens | 
| Q9LAG2 | Phenol 2-hydroxylase component B | Geobacillus thermoglucosidasius | 
| Q8H1L1 | Phenolic oxidative coupling protein | Hypericum perforatum | 
| Q8AAN6 | Phenylacetate-coenzyme A ligase | Bacteroides thetaiotaomicron | 
| Q5SJP3 | Phenylacetic acid degradation protein PaaI | Thermus thermophilus | 
| Q47PU3 | Phenylacetone monooxygenase | Thermobifida fusca | 
| Q5W9R9 | Phenylalanine 2-monooxygenase precursor | Pseudomonas sp | 
| Q6GZ04 | Phenylalanine aminomutase (L-beta-phenylalanine forming) | Taxus canadensis | 
| Q59771 | Phenylalanine dehydrogenase | Rhodococcus sp | 
| P00439 | Phenylalanine-4-hydroxylase | Homo sapiens | 
| P27001 | Phenylalanine-tRNA ligase alpha subunit | Thermus thermophilus | 
| Q4L5E3 | Phenylalanine-tRNA ligase alpha subunit | Staphylococcus haemolyticus | 
| P11086 | Phenylethanolamine N-methyltransferase | Homo sapiens | 
| Q643C8 | Phenylpyruvate C(3)-methyltransferase | Streptomyces hygroscopicus | 
| Q9U9J6 | Pheromone-binding protein ASP1 | Apis mellifera | 
| P38503 | Phosphate acetyltransferase | Methanosarcina thermophila | 
| Q8NEB9 | Phosphatidylinositol 3-kinase catalytic subunit type 3 | Homo sapiens | 
| P42336 | Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform | Homo sapiens | 
| Q8BTI9 | Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit beta isoform | Mus musculus | 
| O35904 | Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform | Mus musculus | 
| O02697 | Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit gamma isoform | Sus scrofa | 
| Q9UBF8 | Phosphatidylinositol 4-kinase beta | Homo sapiens | 
| Q9BTU6 | Phosphatidylinositol 4-kinase type 2-alpha | Homo sapiens | 
| P78356 | Phosphatidylinositol 5-phosphate 4-kinase type-2 beta | Homo sapiens | 
| A0QWG6 | Phosphatidyl-myo-inositol mannosyltransferase | Mycobacterium smegmatis 155 | 
| P0AB91 | Phospho-2-dehydro-3-deoxyheptonate aldolase, Phe-sensitive | Escherichia coli | 
| Q53I60 | Phosphodiesterase | Trypanosoma cruzi | 
| P22259 | Phosphoenolpyruvate carboxykinase (ATP) | Escherichia coli | 
| P9WIH3 | Phosphoenolpyruvate carboxykinase [GTP] | Mycobacterium tuberculosis | 
| A5TYT6 | Phosphoenolpyruvate carboxykinase [GTP] | Mycobacterium tuberculosis | 
| P21642 | Phosphoenolpyruvate carboxykinase [GTP], mitochondrial | Gallus gallus | 
| P35558 | Phosphoenolpyruvate carboxykinase, cytosolic [GTP] | Homo sapiens | 
| Q6T755 | Phosphoethanolamine N-methyltransferase | Plasmodium falciparum | 
| U5HK48 | Phosphoethanolamine N-methyltransferase 2 | Haemonchus contortus | 
| A5K867 | Phosphoethanolamine N-methyltransferase, putative | Plasmodium vivax | 
| B3L8G9 | Phosphoethanolamine N-methyltransferase,putative | Plasmodium knowlesi | 
| P18912 | Phosphoglycerate kinase | Geobacillus stearothermophilus | 
| Q5NF76 | Phosphoglycerate kinase | Francisella tularensis subsp. tularensis | 
| Q7SIB7 | Phosphoglycerate kinase 1 | Sus scrofa | 
| P09041 | Phosphoglycerate kinase 2 | Mus musculus | 
| Q8A013 | Phosphohydrolase | Bacteroides thetaiotaomicron | 
| P00593 | Phospholipase A2 | Bos taurus | 
| D0VX11 | Phospholipase A2 VRV-PL-VIIIa | Daboia russellii pulchella | 
| P00592 | Phospholipase A2, major isoenzyme | Sus scrofa | 
| P14555 | Phospholipase A2, membrane associated | Homo sapiens | 
| Q9A6Q5 | Phosphomethylpyrimidine synthase | Caulobacter crescentus | 
| O82392 | Phosphomethylpyrimidine synthase, chloroplastic | Arabidopsis thaliana | 
| Q8DR49 | Phosphomevalonate kinase | Streptococcus pneumoniae | 
| O69054 | Phosphonate dehydrogenase | Pseudomonas stutzeri | 
| P9WPA5 | Phosphopantetheine adenylyltransferase | Mycobacterium tuberculosis | 
| O26010 | Phosphopantetheine adenylyltransferase | Helicobacter pylori | 
| O33336 | Phosphopantetheinyl transferase PptT (CoA:APO-[ACP]pantetheinephosphotransferase) (CoA:APO-[acyl-carrier protein]pantetheinephosphotransferase) | Mycobacterium tuberculosis | 
| A0PQD8 | Phosphopantetheinyl transferase, PptII | Mycobacterium ulcerans | 
| P9WMM5 | Phosphoribosyl isomerase A | Mycobacterium tuberculosis | 
| B5I4P8 | Phosphoribosyl isomerase A | Streptomyces sviceus ATCC 29083 | 
| P12039 | Phosphoribosylamine-glycine ligase | Bacillus subtilis | 
| A1CII2 | Phosphoribosyl-aminoimidazole carboxylase | Aspergillus clavatus | 
| P0A7D7 | Phosphoribosylaminoimidazole-succinocarboxamide synthase | Escherichia coli | 
| Q5L3D5 | Phosphoribosylaminoimidazole-succinocarboxamide synthase | Geobacillus kaustophilus | 
| P74881 | Phosphoribosylformylglycinamidine synthase | Salmonella typhimurium | 
| Q9X0X3 | Phosphoribosylformylglycinamidine synthase subunit PurL | Thermotoga maritima | 
| P08179 | Phosphoribosylglycinamide formyltransferase | Escherichia coli | 
| P15735 | Phosphorylase b kinase gamma catalytic chain, liver/testis isoform | Homo sapiens | 
| P00518 | Phosphorylase b kinase gamma catalytic chain, skeletal muscle/heart isoform | Oryctolagus cuniculus | 
| Q93LD7 | Phosphotriesterase | Rhizobium radiobacter | 
| Q5KZU5 | Phosphotriesterase | Geobacillus kaustophilus | 
| O48963 | Phototropin-1 | Arabidopsis thaliana | 
| P93025 | Phototropin-2 | Arabidopsis thaliana | 
| P33164 | Phthalate dioxygenase reductase | Burkholderia cepacia | 
| Q9ZWQ6 | PHY3 | Adiantum capillus-veneris | 
| P20586 | p-hydroxybenzoate hydroxylase | Pseudomonas aeruginosa | 
| Q6Q272 | p-hydroxyphenylacetate 3-hydroxylase, oxygenase component | Acinetobacter baumannii | 
| G7J032 | Phytohormone-binding protein | Medicago truncatula | 
| Q8LPB4 | Phytosulfokine receptor 1 | Daucus carota | 
| Q5SHF6 | Pili retraction protein PilT | Thermus thermophilus | 
| Q17SC2 | Plasmepsin 2 | Plasmodium falciparum | 
| P46925 | Plasmepsin-2 | Plasmodium falciparum | 
| P07620 | Plasmid partition protein A | Escherichia coli | 
| B0ZE06 | Plasmid partitioning protein ParF | Escherichia coli | 
| Q74P24 | Plasmid replication protein RepX | Bacillus cereus | 
| P11904 | Plasmid segregation protein ParM | Escherichia coli | 
| Q13093 | Platelet-activating factor acetylhydrolase | Homo sapiens | 
| Q6V1M8 | Plm1 | Streptomyces sp. HK803 | 
| P16088 | Pol polyprotein | Feline immunodeficiency virus | 
| Q7SMT3 | Pol polyprotein | Human immunodeficiency virus 1 | 
| Q8Q3H0 | Pol protein | Human immunodeficiency virus 1 | 
| Q66972 | POL protein | Feline immunodeficiency virus | 
| P26446 | Poly [ADP-ribose] polymerase 1 | Gallus gallus | 
| Q460N5 | Poly [ADP-ribose] polymerase 14 | Homo sapiens | 
| Q460N3 | Poly [ADP-ribose] polymerase 15 | Homo sapiens | 
| Q9UGN5 | Poly [ADP-ribose] polymerase 2 | Homo sapiens | 
| Q9Y6F1 | Poly [ADP-ribose] polymerase 3 | Homo sapiens | 
| B2NHN2 | Poly(3-hydroxybutyrate) depolymerase | Talaromyces funiculosus | 
| P29468 | Poly(A) polymerase | Saccharomyces cerevisiae | 
| P23371 | Poly(A) polymerase catalytic subunit | Vaccinia virus    | 
| Q9BWT3 | Poly(A) polymerase gamma | Homo sapiens | 
| Q381M1 | Poly(A) polymerase, putative | Trypanosoma brucei brucei | 
| Q8VDG3 | Poly(A)-specific ribonuclease PARN | Mus musculus | 
| Q9QYM2 | Poly(ADP-ribose) glycohydrolase | Rattus norvegicus | 
| I6L8L8 | Poly(ADP-ribose) glycohydrolase | Tetrahymena thermophila | 
| O88622 | Poly(ADP-ribose) glycohydrolase | Mus musculus | 
| Q9WZC2 | Polyamine aminopropyltransferase | Thermotoga maritima | 
| O64411 | Polyamine oxidase | Zea mays | 
| P50264 | Polyamine oxidase FMS1 | Saccharomyces cerevisiae | 
| D0VWY3 | Polyketide oxygenase CabE | Streptomyces | 
| L8EUQ6 | Polyketide oxygenase/hydroxylase | Streptomyces rimosus subsp. rimosus ATCC 10970 | 
| Q9ALM5 | Polyketide synthase extender module 2 | Saccharopolyspora spinosa | 
| Q9ALM4 | Polyketide synthase extender modules 3-4 | Saccharopolyspora spinosa | 
| C3W5S0 | Polymerase acidic protein | Influenza A virus | 
| P31345 | Polymerase basic protein 2 | Influenza A virus | 
| Q4FAU9 | Polymerase basic protein 2 | Influenza A virus  | 
| P0A7B1 | Polyphosphate kinase | Escherichia coli | 
| O93077 | Polyprotein | Hepatitis C virus | 
| A8DG50 | Polyprotein | Hepatitis C virus subtype 1a | 
| A7ZS61 | Polyribonucleotide nucleotidyltransferase | Escherichia coli O139:H28 | 
| Q7DDU0 | Polysialic acid capsule biosynthesis protein SiaC | Neisseria meningitidis serogroup B | 
| Q93S40 | Polysialic acid O-acetyltransferase | Neisseria meningitidis | 
| P08397 | Porphobilinogen deaminase | Homo sapiens | 
| P71968 | Possible bifunctional enzyme riboflavin biosynthesis protein RibD: diaminohydroxyphosphoribosylaminopyrimidine deaminase (Riboflavin-specific deaminase) + 5-amino-6-(5-phosphoribosylamino)uracil reduc | Mycobacterium tuberculosis | 
| Q470B9 | Possible NADH oxidoreductase | Cupriavidus pinatubonensis   | 
| Q0S4Q9 | Possible succinate dehydrogenase | Rhodococcus jostii | 
| O53532 | Possible transcriptional regulatory protein | Mycobacterium tuberculosis | 
| O88704 | Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 | Mus musculus | 
| O88703 | Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 2 | Mus musculus | 
| Q9Y3Q4 | Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4 | Homo sapiens | 
| Q8KFD9 | Precorrin-2 C20-methyltransferase | Chlorobium tepidum | 
| O27402 | Precorrin-2 methyltransferase | Methanothermobacter thermautotrophicus | 
| Q53WA6 | Precorrin-3 C17-methyltransferase | Thermus thermophilus | 
| O68097 | Precorrin-3 methylase | Rhodobacter capsulatus | 
| O68100 | Precorrin-4 C(11)-methyltransferase | Rhodobacter capsulatus | 
| O68098 | Precorrin-6A reductase | Rhodobacter capsulatus | 
| D5AV00 | Precorrin-6A synthase (Deacetylating) | Rhodobacter capsulatus | 
| Q97MN4 | Predicted acetyltransferase | Clostridium acetobutylicum | 
| Q97ML2 | Predicted acetyltransferase | Clostridium acetobutylicum | 
| Q8TX37 | Predicted molecular chaperone distantly related to HSP70-fold metalloproteases | Methanopyrus kandleri | 
| D9PVS9 | Predicted NADH dehydrogenase | Methanothermobacter marburgensis | 
| B7G9J2 | Predicted protein | Phaeodactylum tricornutum | 
| P53131 | Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP43 | Saccharomyces cerevisiae | 
| Q4R2T2 | Prenyltransferase | Streptomyces sp. | 
| P73906 | Prephenate dehydrogenase | Synechocystis sp. | 
| Q29437 | Primary amine oxidase, liver isozyme | Bos taurus | 
| A6TGC5 | Primosomal protein N' | Klebsiella pneumoniae subsp. pneumoniae | 
| Q65LG7 | Probable acetyltransferase | Bacillus licheniformis | 
| P26646 | Probable acrylyl-CoA reductase AcuI | Escherichia coli | 
| B1MPB5 | Probable acyl CoA dehydrogenase | Mycobacterium abscessus | 
| Q04299 | Probable ADP-ribose 1''-phosphate phosphatase YML087W | Saccharomyces cerevisiae | 
| O06543 | Probable alpha-methylacyl-CoA racemase Mcr (2-methylacyl-CoA racemase) (2-arylpropionyl-CoA epimerase ) | Mycobacterium tuberculosis | 
| Q7NWG4 | Probable aminotransferase | Chromobacterium violaceum | 
| Q57991 | Probable aspartokinase | Methanocaldococcus jannaschii | 
| O67174 | Probable bifunctional SAT/APS kinase | Aquifex aeolicus | 
| Q9X278 | Probable butyrate kinase 2 | Thermotoga maritima | 
| O26249 | Probable cobalt-precorrin-6B C(15)-methyltransferase (decarboxylating) | Methanothermobacter thermautotrophicus | 
| O29777 | Probable copper-exporting P-type ATPase A | Archaeoglobus fulgidus | 
| Q7NY68 | Probable dehydrogenase | Chromobacterium violaceum | 
| O50105 | Probable deoxyhypusine synthase | Pyrococcus horikoshii | 
| Q9UNQ2 | Probable dimethyladenosine transferase | Homo sapiens | 
| P9WNN9 | Probable enoyl-CoA hydratase echA8 | Mycobacterium tuberculosis | 
| Q9HWJ1 | Probable FAD-dependent monooxygenase | Pseudomonas aeruginosa | 
| Q9HUH4 | Probable FAD-dependent oxidoreductase PA4991 | Pseudomonas aeruginosa | 
| Q5UP54 | Probable FAD-linked sulfhydryl oxidase R596 | Acanthamoeba polyphaga mimivirus | 
| O41156 | Probable flavin-dependent thymidylate synthase | Paramecium bursaria Chlorella virus 1 | 
| Q5SJ82 | Probable gliding protein mglA | Thermus thermophilus | 
| Q92PC0 | Probable glutathione reductase | Rhizobium meliloti | 
| P38424 | Probable GTP-binding protein EngB | Bacillus subtilis | 
| B9RU15 | Probable Histone-lysine N-methyltransferase ATXR5 | Ricinus communis | 
| Q57884 | Probable hydrogenase nickel incorporation protein HypB | Methanocaldococcus jannaschii | 
| Q2KDT2 | Probable hydroxyacid dehydrogenase protein | Rhizobium etli | 
| O28440 | Probable L-aspartate dehydrogenase | Archaeoglobus fulgidus | 
| O07732 | Probable lignin peroxidase LipJ | Mycobacterium tuberculosis | 
| Q13395 | Probable methyltransferase TARBP1 | Homo sapiens | 
| Q9ALM8 | Probable NDP-rhamnosyltransferase | Saccharopolyspora spinosa | 
| Q9HX21 | Probable nicotinate-nucleotide adenylyltransferase | Pseudomonas aeruginosa | 
| Q5HFG7 | Probable nicotinate-nucleotide adenylyltransferase | Staphylococcus aureus | 
| C3L5T6 | Probable nicotinate-nucleotide adenylyltransferase | Bacillus anthracis | 
| Q9ALM9 | Probable O-methyltransferase | Saccharopolyspora spinosa | 
| Q79H45 | Probable oxidoreductase | Bordetella pertussis | 
| Q9I377 | Probable oxidoreductase | Pseudomonas aeruginosa | 
| D6PAH1 | Probable phosphoketolase | Bifidobacterium breve | 
| P9WQH5 | Probable propionyl-CoA carboxylase beta chain 6 | Mycobacterium tuberculosis | 
| Q6MPX4 | Probable pyrophosphohydrolase | Bdellovibrio bacteriovorus | 
| O50443 | Probable pyrroline-5-carboxylate dehydrogenase RocA | Mycobacterium tuberculosis | 
| Q8L3C8 | Probable quinone oxidoreductase | Thermus thermophilus | 
| P38230 | Probable quinone oxidoreductase | Saccharomyces cerevisiae | 
| O53146 | Probable quinone reductase Qor (NADPH:quinone reductase) (Zeta-crystallin homolog protein) | Mycobacterium tuberculosis | 
| Q5SKW0 | Probable ribosomal RNA small subunit methyltransferase | Thermus thermophilus | 
| Q58435 | Probable ribosomal RNA small subunit methyltransferase A | Methanocaldococcus jannaschii | 
| Q0SFK6 | Probable salicylate monooxygenase | Rhodococcus jostii | 
| Q6XHB2 | Probable serine/threonine-protein kinase roco4 | Dictyostelium discoideum | 
| Q9HWT0 | Probable short-chain dehydrogenase | Pseudomonas aeruginosa | 
| Q31KC7 | Probable sugar kinase | Synechococcus elongatus | 
| Q9HJI4 | Probable thioredoxin reductase | Thermoplasma acidophilum | 
| Q9YFY3 | Probable threonine-tRNA ligase 2 | Aeropyrum pernix | 
| Q970Q8 | Probable thymidylate kinase | Sulfolobus tokodaii | 
| Q746J7 | Probable transcriptional regulator | Thermus thermophilus | 
| Q9SWS1 | Probable transmembrane ascorbate ferrireductase 2 | Arabidopsis thaliana | 
| Q9NWX6 | Probable tRNA(His) guanylyltransferase | Homo sapiens | 
| Q89Z59 | Probable type I restriction enzyme BthVORF4518P M protein | Bacteroides thetaiotaomicron | 
| P69772 | Probable UbiX-like flavin prenyltransferase | Escherichia coli O157:H7 | 
| P06401 | Progesterone receptor | Homo sapiens | 
| P12004 | Proliferating cell nuclear antigen | Homo sapiens | 
| Q72IB8 | Proline dehydrogenase | Thermus thermophilus | 
| O32449 | Proline iminopeptidase | Serratia marcescens | 
| O26708 | Proline-tRNA ligase | Methanothermobacter thermautotrophicus | 
| Q6N5P6 | Proline-tRNA ligase | Rhodopseudomonas palustris | 
| Q8I5R7 | Proline-tRNA ligase | Plasmodium falciparum | 
| P40032 | Prolyl 3,4-dihydroxylase TPA1 | Saccharomyces cerevisiae | 
| Q8N543 | Prolyl 3-hydroxylase OGFOD1 | Homo sapiens | 
| P23687 | Prolyl endopeptidase | Sus scrofa | 
| Q9X6R4 | Prolyl endopeptidase | Aeromonas caviae | 
| O06961 | Propionate kinase | Salmonella typhimurium | 
| Q9X4K7 | Propionyl-CoA carboxylase complex B subunit | Streptomyces coelicolor | 
| A9LLA5 | Prostacyclin synthase | Danio rerio | 
| P22045 | Prostaglandin F synthase | Leishmania major | 
| Q8I6L9 | Prostaglandin F2a synthase | Trypanosoma cruzi | 
| P05979 | Prostaglandin G/H synthase 1 | Ovis aries | 
| Q05769 | Prostaglandin G/H synthase 2 | Mus musculus | 
| Q14914 | Prostaglandin reductase 1 | Homo sapiens | 
| Q8N8N7 | Prostaglandin reductase 2 | Homo sapiens | 
| Q8N4Q0 | Prostaglandin reductase 3 | Homo sapiens | 
| P80508 | Prostaglandin-E(2) 9-reductase | Oryctolagus cuniculus | 
| O09114 | Prostaglandin-H2 D-isomerase | Mus musculus | 
| P15309 | Prostatic acid phosphatase | Homo sapiens | 
| O09893 | Protease | Human immunodeficiency virus 1 | 
| O92139 | Protease | Human immunodeficiency virus 1 | 
| Q9E3M8 | Protease | Human immunodeficiency virus 1 | 
| O82261 | Protease Do-like 2, chloroplastic | Arabidopsis thaliana | 
| P30656 | Proteasome subunit beta type-5 | Saccharomyces cerevisiae | 
| Q01217 | Protein ARG5,6, mitochondrial | Saccharomyces cerevisiae | 
| Q63009 | Protein arginine N-methyltransferase 1 | Rattus norvegicus | 
| O70467 | Protein arginine N-methyltransferase 3 | Rattus norvegicus | 
| P46580 | Protein arginine N-methyltransferase 5 | Caenorhabditis elegans | 
| O14744 | Protein arginine N-methyltransferase 5 | Homo sapiens | 
| Q6NZB1 | Protein arginine N-methyltransferase 6 | Mus musculus | 
| Q9XW42 | Protein arginine N-methyltransferase 7 | Caenorhabditis elegans | 
| Q9NR22 | Protein arginine N-methyltransferase 8 | Homo sapiens | 
| Q12314 | Protein arginine N-methyltransferase SFM1 | Saccharomyces cerevisiae | 
| O22476 | Protein brassinosteroid insensitive 1 | Arabidopsis thaliana | 
| P20480 | Protein claret segregational | Drosophila melanogaster | 
| P52874 | Protein clpf-1 | Caenorhabditis elegans | 
| P49356 | Protein farnesyltransferase subunit beta | Homo sapiens | 
| Q04631 | Protein farnesyltransferase/geranylgeranyltransferase type-1 subunit alpha | Rattus norvegicus | 
| P13045 | Protein GAL3 | Saccharomyces cerevisiae | 
| P46336 | Protein IolS | Bacillus subtilis | 
| Q7YTF7 | Protein kinase 7 | Plasmodium falciparum | 
| P17252 | Protein kinase C alpha type | Homo sapiens | 
| P05771 | Protein kinase C beta type | Homo sapiens | 
| P41743 | Protein kinase C iota type | Homo sapiens | 
| Q04759 | Protein kinase C theta type | Homo sapiens | 
| Q3YTH2 | Protein kinase OspG | Shigella sonnei | 
| Q93KQ6 | Protein kinase YopO | Yersinia enterocolitica | 
| Q4YRR5 | Protein kinase, putative | Plasmodium berghei | 
| Q09490 | Protein lgg-1 | Caenorhabditis elegans | 
| P52778 | Protein LlR18A | Lupinus luteus | 
| O26255 | Protein MTH_152 | Methanothermobacter thermautotrophicus | 
| P0A772 | Protein NrdI | Escherichia coli | 
| Q86U86 | Protein polybromo-1 | Homo sapiens | 
| Q9LUJ3 | Protein RDM1 | Arabidopsis thaliana | 
| P0A7G6 | Protein RecA | Escherichia coli | 
| Q99584 | Protein S100-A13 | Homo sapiens | 
| P26447 | Protein S100-A4 | Homo sapiens | 
| P06702 | Protein S100-A9 | Homo sapiens | 
| Q8IL19 | Protein serine/threonine kinase-1 | Plasmodium falciparum | 
| P0A9T4 | Protein tas | Escherichia coli | 
| P10408 | Protein translocase subunit SecA | Escherichia coli | 
| Q570C0 | Protein transport inhibitor response 1 | Arabidopsis thaliana | 
| Q13432 | Protein unc-119 homolog A | Homo sapiens | 
| P07024 | Protein UshA | Escherichia coli | 
| P25116 | Proteinase-activated receptor 1 | Homo sapiens | 
| P0A7A5 | Protein-L-isoaspartate O-methyltransferase | Escherichia coli | 
| A5F9C1 | Protein-L-isoaspartate O-methyltransferase | Vibrio cholerae serotype O1 | 
| P22061 | Protein-L-isoaspartate(D-aspartate) O-methyltransferase | Homo sapiens | 
| P76342 | Protein-methionine-sulfoxide reductase catalytic subunit MsrP | Escherichia coli | 
| Q14289 | Protein-tyrosine kinase 2-beta | Homo sapiens | 
| P00734 | Prothrombin | Homo sapiens | 
| P00436 | Protocatechuate 3,4-dioxygenase alpha chain | Pseudomonas putida | 
| P00437 | Protocatechuate 3,4-dioxygenase beta chain | Pseudomonas putida | 
| Q9S3U8 | Protodeoxyviolaceinate monooxygenase | Chromobacterium violaceum | 
| P07949 | Proto-oncogene tyrosine-protein kinase receptor Ret | Homo sapiens | 
| P12931 | Proto-oncogene tyrosine-protein kinase Src | Homo sapiens | 
| B1YKJ9 | Protoporphyrinogen oxidase | Exiguobacterium sibiricum | 
| P50336 | Protoporphyrinogen oxidase | Homo sapiens | 
| O24164 | Protoporphyrinogen oxidase, mitochondrial | Nicotiana tabacum | 
| P37344 | Psp operon transcriptional activator | Escherichia coli | 
| O76290 | Pteridine reductase | Trypanosoma brucei brucei | 
| Q01782 | Pteridine reductase 1 | Leishmania major | 
| Q581W1 | Pteridine reductase, putative | Trypanosoma brucei brucei | 
| D3VMM1 | PtnL protein | Bacillus amyloliquefaciens | 
| Q9CIV7 | PTS-dependent dihydroxyacetone kinase, ADP-binding subunit DhaL | Lactococcus lactis subsp. lactis | 
| P37551 | Pur operon repressor | Bacillus subtilis | 
| P0ACE7 | Purine nucleoside phosphoramidase | Escherichia coli | 
| P55859 | Purine nucleoside phosphorylase | Bos taurus | 
| P81989 | Purine nucleoside phosphorylase | Cellulomonas sp | 
| P50389 | Purine nucleoside phosphorylase | Sulfolobus solfataricus | 
| Q8I3X4 | Purine nucleoside phosphorylase | Plasmodium falciparum | 
| P0ABP8 | Purine nucleoside phosphorylase DeoD-type | Escherichia coli | 
| P0ABP9 | Purine nucleoside phosphorylase DeoD-type | Escherichia coli O157:H7 | 
| O34925 | Purine nucleoside phosphorylase DeoD-type | Bacillus subtilis | 
| Q9KPM0 | Purine nucleoside phosphorylase DeoD-type 1 | Vibrio cholerae serotype O1 | 
| A2E7Y6 | Purine nucleoside phosphorylase, putative | Trichomonas vaginalis | 
| Q97W95 | Purine phosphoribosyltransferase (GpT-1) | Sulfolobus solfataricus | 
| Q97W22 | Purine phosphoribosyltransferase (GpT-2) | Sulfolobus solfataricus | 
| O57809 | Putative 1-aminocyclopropane-1-carboxylate deaminase | Pyrococcus horikoshii | 
| Q5FT75 | Putative 2,5-diketo-D-gluconic acid reductase | Gluconobacter oxydans | 
| Q92LZ4 | Putative 2-hydroxyacid dehydrogenase | Rhizobium meliloti | 
| Q9FDD4 | Putative 2-nitropropane dioxygenase | Streptomyces ansochromogenes | 
| Q9ZC36 | Putative 4-hydroxybutyrate coenzyme A transferase | Yersinia pestis | 
| Q8DW05 | Putative ABC transporter, ATP-binding protein ComA | Streptococcus mutans serotype c | 
| B4EAU4 | Putative Acetoacetyl-CoA reductase | Burkholderia cenocepacia   | 
| Q2CEE2 | Putative acetyltransferase OgpAT | Oceanicola granulosus | 
| Q5HCZ5 | Putative acetyltransferase SACOL2570 | Staphylococcus aureus | 
| A0R3J1 | Putative acyl-CoA dehydrogenase | Mycobacterium smegmatis 155 | 
| P33224 | Putative acyl-CoA dehydrogenase AidB | Escherichia coli | 
| A1KUS8 | Putative acyl-CoA hydrolase | Neisseria meningitidis serogroup C / serotype 2a | 
| G4V7G8 | Putative adenosine kinase | Schistosoma mansoni | 
| Q92ND9 | Putative aldehyde dehydrogenase | Rhizobium meliloti | 
| P9WI99 | Putative aminoglycoside phosphotransferase | Mycobacterium tuberculosis | 
| Q6A8X5 | Putative aminooxidase | Propionibacterium acnes | 
| Q56R04 | Putative betaine aldehyde dehyrogenase | Solanum lycopersicum | 
| Q21MB1 | Putative b-glycan phosphorylase | Saccharophagus degradans | 
| Q9F172 | Putative blue fluorescent protein | Vibrio vulnificus | 
| Q8LPE0 | Putative blue light receptor | Chlamydomonas reinhardtii | 
| A8LP63 | Putative blue-light photoreceptor | Dinoroseobacter shibae | 
| Q81JT5 | Putative carboxypeptidase yocD | Bacillus anthracis | 
| Q5CUP2 | Putative choline kinase | Cryptosporidium parvum | 
| Q6NIF5 | Putative cobalamin synthesis related protein | Corynebacterium diphtheriae | 
| Q7VU70 | Putative conserved exported protein | Bordetella pertussis | 
| Q92MG1 | Putative cyclohexadienyl dehydrogenase and ADH prephenate dehydrogenase | Rhizobium meliloti | 
| P55342 | Putative cysteine ligase BshC | Bacillus subtilis | 
| Q70KH6 | Putative cytochrome P450 | Streptomyces thioluteus | 
| Q70AS3 | Putative cytochrome P450 | Streptomyces peucetius | 
| Q1EQE0 | Putative dehydrogenase | Streptomyces kanamyceticus | 
| Q488E0 | Putative dihydrolipoamide dehydrogenase | Colwellia psychrerythraea | 
| Q93J45 | Putative dipeptidase | Streptomyces coelicolor  / M145 | 
| B0LUZ5 | Putative D-lactate dehydrogenase | Chlamydomonas reinhardtii | 
| G5CSR9 | Putative dTDP-d-glucose 4 6-dehydratase | Megavirus chiliensis | 
| Q9KHK2 | Putative FAD-dependent oxygenase EncM | Streptomyces maritimus | 
| Q8KI25 | Putative FAD-monooxygenase | Lechevalieria aerocolonigenes | 
| Q5CR09 | Putative farnesyl pyrophosphate synthase | Cryptosporidium parvum | 
| Q9L0A2 | Putative fatty acid synthase | Streptomyces coelicolor  / M145 | 
| Q83XK4 | Putative flavin-containing monooxygenase | Methylophaga aminisulfidivorans | 
| O05510 | Putative fructokinase | Bacillus subtilis | 
| Q9E7M1 | Putative gag-pro-pol polyprotein | DG-75 Murine leukemia virus | 
| B9DUT7 | Putative geranyltranstransferase | Streptococcus uberis | 
| Q5SK63 | Putative glutaryl-CoA dehydrogenase | Thermus thermophilus | 
| Q9RN61 | Putative glycosyl transferase | Streptomyces nogalater | 
| Q15JG1 | Putative glycosyltransferase | Streptomyces hygroscopicus subsp. limoneus | 
| Q5UPL2 | Putative GMC-type oxidoreductase R135 | Acanthamoeba polyphaga mimivirus | 
| Q182D4 | Putative histidine triad (HIT) protein | Peptoclostridium difficile | 
| O34911 | Putative HMP/thiamine-binding protein YkoF | Bacillus subtilis | 
| Q8DUI5 | Putative hydroxymethylglutaryl-CoA synthase | Streptococcus mutans serotype c | 
| Q92VK1 | Putative isovaleryl-CoA dehydrogenase protein | Rhizobium meliloti | 
| P16544 | Putative ketoacyl reductase | Streptomyces coelicolor  / M145 | 
| Q4W2K4 | Putative leucoanthocyanidin reductase 1 | Vitis vinifera | 
| Q5Z1T5 | Putative lysine-N-oxygenase | Nocardia farcinica | 
| Q7CRW4 | Putative malate dehydrogenase | Agrobacterium fabrum   | 
| Q4QCD2 | Putative methionyl-tRNA synthetase | Leishmania major | 
| Q8A3I2 | Putative methyltransferase | Bacteroides thetaiotaomicron | 
| Q5LFK0 | Putative methyltransferase protein | Bacteroides fragilis | 
| Q4QHJ8 | Putative mitogen-activated protein kinase | Leishmania major | 
| Q7CGH8 | Putative modulator of drug activity | Yersinia pestis | 
| B2FRL2 | Putative monooxygenase | Stenotrophomonas maltophilia | 
| O34974 | Putative monooxygenase MoxC | Bacillus subtilis | 
| Q99T13 | Putative multidrug export ATP-binding/permease protein SAV1866 | Staphylococcus aureus | 
| Q89YI8 | Putative multiple inositol polyphosphate histidine phosphatase 1 | Bacteroides thetaiotaomicron | 
| Q6U8B0 | Putative N-acetyl glucosaminyl transferase | Raoultella terrigena | 
| A3UNN4 | Putative NAD(+)-arginine ADP-ribosyltransferase Vis | Vibrio splendidus | 
| A6THR9 | Putative NAD(P)H dehydrogenase (Quinone) | Klebsiella pneumoniae subsp. pneumoniae | 
| P96692 | Putative NAD(P)H nitroreductase MhqN | Bacillus subtilis | 
| P0ACY1 | Putative NAD(P)H nitroreductase YdjA | Escherichia coli | 
| Q9A120 | Putative NAD(P)H-flavin oxidoreductase | Streptococcus pyogenes serotype M1 | 
| Q8DVW4 | Putative NADH dehydrogenase NAD(P)H nitroreductase | Streptococcus mutans serotype c | 
| Q03B84 | Putative NADH-flavin reductase | Lactobacillus casei | 
| Q182R2 | Putative nitroreductase | Peptoclostridium difficile | 
| O87989 | Putative nucleotide sugar epimerase/ dehydratase | Bordetella bronchiseptica | 
| Q13394 | Putative nucleotidyltransferase MAB21L1 | Homo sapiens | 
| Q88H32 | Putative ornithine cyclodeaminase | Pseudomonas putida | 
| Q5L9C9 | Putative oxidase | Bacteroides fragilis | 
| Q9YCJ0 | Putative oxidoreductase | Aeropyrum pernix | 
| Q8DTD1 | Putative oxidoreductase | Streptococcus mutans serotype c | 
| Q49A26 | Putative oxidoreductase GLYR1 | Homo sapiens | 
| Q96Y29 | Putative oxidoreductase molybdopterin-binding subunit | Sulfolobus tokodaii | 
| Q7CQG2 | Putative oxoacyl-(Acyl carrier protein) reductase | Salmonella typhimurium | 
| D7RFJ3 | Putative oxygenase | Amycolatopsis orientalis subsp. vinearia | 
| Q09535 | Putative pachytene checkpoint protein 2 | Caenorhabditis elegans | 
| Q8DT00 | Putative phospho-beta-glucosidase | Streptococcus mutans serotype c | 
| P23154 | Putative polyketide cyclase | Streptomyces coelicolor  / M145 | 
| Q8A8A4 | Putative protease I | Bacteroides thetaiotaomicron | 
| Q8I814 | Putative pteridine reductase 2 | Trypanosoma cruzi | 
| Q9F118 | Putative pyridoxamine 5-phosphate-dependent dehydrase | Escherichia coli | 
| Q9AMH9 | Putative repressor SimReg2 | Streptomyces antibioticus | 
| E0TY72 | Putative RNA methylase | Bacillus subtilis subsp. spizizenii | 
| Q2S3S9 | Putative RNA methylase family UPF0020 | Salinibacter ruber | 
| Q6N3B2 | Putative rubredoxin reductase | Rhodopseudomonas palustris | 
| Q9CCZ4 | Putative S-adenosyl-L-methionine-dependent methyltransferase ML2640 | Mycobacterium leprae | 
| Q0X0A7 | Putative SAM-dependent methyltransferase | Streptomyces lasaliensis | 
| Q9HGR1 | Putative SAM-dependent O-methyltranferase | Podospora anserina | 
| C9Z6T8 | Putative secreted protein | Streptomyces scabiei | 
| B1MLR7 | Putative short-chain dehydrogenase/reductase | Mycobacterium abscessus | 
| Q53W68 | Putative short-chain oxidoreductase | Thermus thermophilus | 
| B1YXI0 | Putative signal-transduction protein with CBS domains | Burkholderia ambifaria | 
| Q67PY4 | Putative sphingosine-1-phosphate lyase | Symbiobacterium thermophilum | 
| Q8ZPI3 | Putative succinate-semialdehyde dehydrogenase | Salmonella typhimurium | 
| P9WQG7 | Putative succinyl-CoA transferase Rv0802c | Mycobacterium tuberculosis | 
| Q3ABV3 | Putative thiazole biosynthesis protein ThiH | Carboxydothermus hydrogenoformans | 
| Q5SH84 | Putative thioesterase | Thermus thermophilus | 
| Q81PN4 | Putative thioredoxin reductase | Bacillus anthracis | 
| Q81YT5 | Putative tRNA (cytidine(34)-2'-O)-methyltransferase | Bacillus anthracis | 
| Q4QFJ7 | Putative tyrosyl-tRNA synthetase | Leishmania major | 
| A9CL58 | Putative UDP-glucose 4-epimerase | Agrobacterium fabrum   | 
| Q8L794 | Putative xylulose kinase | Arabidopsis thaliana | 
| Q92PZ3 | Putative zinc-binding dehydrogenase | Rhizobium meliloti | 
| P16640 | Putidaredoxin reductase | Pseudomonas putida | 
| B0F9F6 | Putrescine oxidase | Rhodococcus erythropolis | 
| Q7ZA32 | Pyranose 2-oxidase | Trametes ochracea | 
| Q6QWR1 | Pyranose 2-oxidase | Phanerochaete chrysosporium | 
| I3IEE4 | Pyridine nucleotide-disulfide oxidoreductase | Cellvibrio sp. BR | 
| Q988B7 | Pyridoxal 4-dehydrogenase | Rhizobium loti | 
| P82197 | Pyridoxal kinase | Ovis aries | 
| O00764 | Pyridoxal kinase | Homo sapiens | 
| F9UM74 | Pyridoxal kinase | Lactobacillus plantarum | 
| P77150 | Pyridoxal kinase PdxY | Escherichia coli | 
| C4LVZ4 | Pyridoxal kinase, putative | Entamoeba histolytica | 
| Q96GD0 | Pyridoxal phosphate phosphatase | Homo sapiens | 
| A7B1V0 | Pyridoxal-dependent decarboxylase domain protein | Ruminococcus gnavus ATCC 29149 | 
| P38075 | Pyridoxamine 5'-phosphate oxidase | Saccharomyces cerevisiae | 
| Q396C5 | Pyridoxamine 5'-phosphate oxidase | Burkholderia lata | 
| Q28VU1 | Pyridoxamine 5'-phosphate oxidase-related FMN-binding protein | Jannaschia sp. | 
| B2J0D8 | Pyridoxamine 5'-phosphate oxidase-related, FMN-binding | Nostoc punctiforme | 
| Q5NT46 | Pyridoxine 4-oxidase | Rhizobium loti | 
| P39610 | Pyridoxine kinase | Bacillus subtilis | 
| P40191 | Pyridoxine/pyridoxal/pyridoxamine kinase | Escherichia coli | 
| P0AFI7 | Pyridoxine/pyridoxamine 5'-phosphate oxidase | Escherichia coli | 
| P41409 | Pyrimidine-specific ribonucleoside hydrolase RihA | Escherichia coli | 
| P33022 | Pyrimidine-specific ribonucleoside hydrolase RihB | Escherichia coli | 
| C3T3U2 | Pyrimidine-specific ribonucleoside hydrolase RihB | Escherichia coli | 
| Q9K1N1 | Pyrroline-5-carboxylate reductase | Neisseria meningitidis serogroup B | 
| Q9A1S9 | Pyrroline-5-carboxylate reductase | Streptococcus pyogenes serotype M1 | 
| Q83A21 | Pyrroline-5-carboxylate reductase | Coxiella burnetii | 
| A6T9H1 | Pyrroloquinoline-quinone synthase | Klebsiella pneumoniae subsp. pneumoniae | 
| Q8PWY1 | Pyrrolysine-tRNA ligase | Methanosarcina mazei | 
| Q2K340 | Pyruvate carboxylase | Rhizobium etli | 
| Q12629 | Pyruvate decarboxylase | Kluyveromyces lactis | 
| A9H275 | Pyruvate decarboxylase | Gluconacetobacter diazotrophicus | 
| P06169 | Pyruvate decarboxylase isozyme 1 | Saccharomyces cerevisiae | 
| P07003 | Pyruvate dehydrogenase [ubiquinone] | Escherichia coli | 
| P0AFG8 | Pyruvate dehydrogenase E1 component | Escherichia coli | 
| P21873 | Pyruvate dehydrogenase E1 component subunit alpha | Geobacillus stearothermophilus | 
| P08559 | Pyruvate dehydrogenase E1 component subunit alpha, somatic form, mitochondrial | Homo sapiens | 
| Q27686 | Pyruvate kinase | Leishmania mexicana | 
| P30615 | Pyruvate kinase 1 | Trypanosoma brucei brucei | 
| P11974 | Pyruvate kinase PKM | Oryctolagus cuniculus | 
| P14618 | Pyruvate kinase PKM | Homo sapiens | 
| P37063 | Pyruvate oxidase | Lactobacillus plantarum | 
| A9X9K8 | Pyruvate oxidase | Aerococcus viridans | 
| P94692 | Pyruvate synthase | Desulfovibrio africanus | 
| Q6TFC4 | QdtB | Thermoanaerobacterium thermosaccharolyticum | 
| F8RC03 | Qdtf | Providencia alcalifaciens | 
| A2VA43 | Quercetinase QueD | Streptomyces sp. FLA | 
| P28720 | Queuine tRNA-ribosyltransferase | Zymomonas mobilis subsp. mobilis | 
| P0A6D5 | Quinate/shikimate dehydrogenase | Escherichia coli | 
| Q9X5C9 | Quinate/shikimate dehydrogenase (NAD(+)) | Corynebacterium glutamicum | 
| Q8GR64 | Quinohemoprotein alcohol dehydrogenase ADH IIB | Pseudomonas putida | 
| O57767 | Quinolinate synthase A | Pyrococcus horikoshii | 
| Q08257 | Quinone oxidoreductase | Homo sapiens | 
| Q88B47 | Quinone oxidoreductase | Pseudomonas syringae pv. tomato | 
| P28304 | Quinone oxidoreductase 1 | Escherichia coli | 
| P39315 | Quinone oxidoreductase 2 | Escherichia coli | 
| Q53FA7 | Quinone oxidoreductase PIG3 | Homo sapiens | 
| P31749 | RAC-alpha serine/threonine-protein kinase | Homo sapiens | 
| P31751 | RAC-beta serine/threonine-protein kinase | Homo sapiens | 
| O82480 | Rac-like GTP-binding protein ARAC7 | Arabidopsis thaliana | 
| Q9EQZ6 | Rap guanine nucleotide exchange factor 4 | Mus musculus | 
| P63000 | Ras-related C3 botulinum toxin substrate 1 | Homo sapiens | 
| P15153 | Ras-related C3 botulinum toxin substrate 2 | Homo sapiens | 
| P60763 | Ras-related C3 botulinum toxin substrate 3 | Homo sapiens | 
| Q9NQL2 | Ras-related GTP-binding protein D | Homo sapiens | 
| O08989 | Ras-related protein M-Ras | Mus musculus | 
| P62491 | Ras-related protein Rab-11A | Homo sapiens | 
| P61106 | Ras-related protein Rab-14 | Homo sapiens | 
| P62820 | Ras-related protein Rab-1A | Homo sapiens | 
| P35288 | Ras-related protein Rab-23 | Mus musculus | 
| P57735 | Ras-related protein Rab-25 | Homo sapiens | 
| Q9ERI2 | Ras-related protein Rab-27A | Mus musculus | 
| Q99P58 | Ras-related protein Rab-27B | Mus musculus | 
| P51157 | Ras-related protein Rab-28 | Homo sapiens | 
| P61019 | Ras-related protein Rab-2A | Homo sapiens | 
| P25228 | Ras-related protein Rab-3 | Drosophila melanogaster | 
| Q13636 | Ras-related protein Rab-31 | Homo sapiens | 
| Q13637 | Ras-related protein Rab-32 | Homo sapiens | 
| P63012 | Ras-related protein Rab-3A | Rattus norvegicus | 
| P20338 | Ras-related protein Rab-4A | Homo sapiens | 
| P20339 | Ras-related protein Rab-5A | Homo sapiens | 
| P35278 | Ras-related protein Rab-5C | Mus musculus | 
| P20340 | Ras-related protein Rab-6A | Homo sapiens | 
| Q9NRW1 | Ras-related protein Rab-6B | Homo sapiens | 
| P51149 | Ras-related protein Rab-7a | Homo sapiens | 
| P61006 | Ras-related protein Rab-8A | Homo sapiens | 
| Q9R0M6 | Ras-related protein Rab-9A | Mus musculus | 
| Q9SN68 | Ras-related protein RABF2b | Arabidopsis thaliana | 
| P11233 | Ras-related protein Ral-A | Homo sapiens | 
| P11234 | Ras-related protein Ral-B | Homo sapiens | 
| P62834 | Ras-related protein Rap-1A | Homo sapiens | 
| Q62636 | Ras-related protein Rap-1b | Rattus norvegicus | 
| P61224 | Ras-related protein Rap-1b | Homo sapiens | 
| P07560 | Ras-related protein SEC4 | Saccharomyces cerevisiae | 
| Q9SPP9 | Raucaffricine-O-beta-D-glucosidase | Rauvolfia serpentina | 
| Q8SXK5 | RE11660p | Drosophila melanogaster | 
| P06009 | Reaction center protein L chain | Blastochloris viridis | 
| P21860 | Receptor tyrosine-protein kinase erbB-3 | Homo sapiens | 
| Q15303 | Receptor tyrosine-protein kinase erbB-4 | Homo sapiens | 
| Q13546 | Receptor-interacting serine/threonine-protein kinase 1 | Homo sapiens | 
| O43353 | Receptor-interacting serine/threonine-protein kinase 2 | Homo sapiens | 
| Q9QZL0 | Receptor-interacting serine/threonine-protein kinase 3 | Mus musculus | 
| P23470 | Receptor-type tyrosine-protein phosphatase gamma | Homo sapiens | 
| Q9X2V5 | Redox-sensing transcriptional repressor Rex | Thermus aquaticus | 
| Q8E565 | Redox-sensing transcriptional repressor Rex | Streptococcus agalactiae serotype III | 
| Q9ZGC1 | Reductase homolog | Streptomyces cyanogenus | 
| Q64374 | Regucalcin | Mus musculus | 
| A1S6W5 | Regulatory inactivation of DnaA Hda protein | Shewanella amazonensis | 
| P07026 | Regulatory protein SdiA | Escherichia coli | 
| Q9WYV8 | Release factor glutamine methyltransferase | Thermotoga maritima | 
| Q888A4 | Renalase | Pseudomonas syringae pv. tomato | 
| P27652 | Renilla-luciferin 2-monooxygenase | Renilla reniformis | 
| P00797 | Renin | Homo sapiens | 
| P0C6U2 | Replicase polyprotein 1a | Human coronavirus 229E | 
| P0C6U8 | Replicase polyprotein 1a | Human SARS coronavirus | 
| P0C6X7 | Replicase polyprotein 1ab | Human SARS coronavirus | 
| P38630 | Replication factor C subunit 1 | Saccharomyces cerevisiae | 
| Q8KLP4 | Repressor | Stenotrophomonas maltophilia | 
| Q7X0D9 | Repressor protein | Acinetobacter baylyi | 
| Q8P559 | Response regulator | Xanthomonas campestris pv. campestris | 
| G1K3S1 | Restriction endonuclease BpuSI | Bacillus pumilus | 
| Q9SLV5 | Resveratrol synthase | Arachis hypogaea | 
| P30986 | Reticuline oxidase | Eschscholzia californica | 
| P51977 | Retinal dehydrogenase 1 | Ovis aries | 
| P00352 | Retinal dehydrogenase 1 | Homo sapiens | 
| Q63639 | Retinal dehydrogenase 2 | Rattus norvegicus | 
| O94788 | Retinal dehydrogenase 2 | Homo sapiens | 
| O43924 | Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta | Homo sapiens | 
| P12271 | Retinaldehyde-binding protein 1 | Homo sapiens | 
| P10276 | Retinoic acid receptor alpha | Homo sapiens | 
| P22605 | Retinoic acid receptor beta | Mus musculus | 
| P13631 | Retinoic acid receptor gamma | Homo sapiens | 
| Q8T5C6 | Retinoic acid receptor RXR | Biomphalaria glabrata | 
| P19793 | Retinoic acid receptor RXR-alpha | Homo sapiens | 
| P28702 | Retinoic acid receptor RXR-beta | Homo sapiens | 
| Q26490 | Retinol dehydratase | Spodoptera frugiperda | 
| P02696 | Retinol-binding protein 1 | Rattus norvegicus | 
| P06768 | Retinol-binding protein 2 | Rattus norvegicus | 
| P27485 | Retinol-binding protein 4 | Sus scrofa | 
| Q66729 | Reverse transcriptase | Equine infectious anemia virus | 
| Q72547 | Reverse transcriptase/RNaseH | Human immunodeficiency virus 1 | 
| Q9RPT1 | Rhamnolipids biosynthesis 3-oxoacyl-[acyl-carrier-protein] reductase | Pseudomonas aeruginosa | 
| C4M4W4 | Rho family GTPase | Entamoeba histolytica | 
| Q13464 | Rho-associated protein kinase 1 | Homo sapiens | 
| Q28021 | Rho-associated protein kinase 2 | Bos taurus | 
| P28327 | Rhodopsin kinase | Bos taurus | 
| Q2PAY2 | Rhoptry kinase family protein | Toxoplasma gondii | 
| I6ZQR7 | Rhoptry protein 5 C | Toxoplasma gondii type I | 
| F2YGR7 | Rhoptry protein 5B | Toxoplasma gondii | 
| Q92730 | Rho-related GTP-binding protein Rho6 | Homo sapiens | 
| P08134 | Rho-related GTP-binding protein RhoC | Homo sapiens | 
| P61588 | Rho-related GTP-binding protein RhoE | Mus musculus | 
| Q24816 | Rho-related protein racC | Entamoeba histolytica | 
| Q9WZW1 | Riboflavin biosynthesis protein | Thermotoga maritima | 
| P17618 | Riboflavin biosynthesis protein RibD | Bacillus subtilis | 
| Q3ZUB0 | Riboflavin biosynthesis protein RibD | Escherichia coli | 
| Q59263 | Riboflavin biosynthesis protein RibF | Corynebacterium ammoniagenes | 
| O74866 | Riboflavin kinase | Schizosaccharomyces pombe | 
| Q969G6 | Riboflavin kinase | Homo sapiens | 
| Q60365 | Riboflavin kinase | Methanocaldococcus jannaschii | 
| P0AFU8 | Riboflavin synthase | Escherichia coli | 
| Q9X1G6 | Riboflavin transporter RibU | Thermotoga maritima | 
| P0A9J6 | Ribokinase | Escherichia coli | 
| P15468 | Ribonuclease 4 | Sus scrofa | 
| A7ZHV1 | Ribonuclease H | Escherichia coli O139:H28 | 
| P21338 | Ribonuclease I | Escherichia coli | 
| Q72JJ7 | Ribonuclease J | Thermus thermophilus | 
| A5H025 | Ribonuclease L | Sus scrofa | 
| Q5SLP1 | Ribonuclease TTHA0252 | Thermus thermophilus | 
| Q9I4I1 | Ribonucleoside-diphosphate reductase | Pseudomonas aeruginosa | 
| P00452 | Ribonucleoside-diphosphate reductase 1 subunit alpha | Escherichia coli | 
| Q08698 | Ribonucleoside-diphosphate reductase 2 subunit alpha | Salmonella typhimurium | 
| P21524 | Ribonucleoside-diphosphate reductase large chain 1 | Saccharomyces cerevisiae | 
| P23921 | Ribonucleoside-diphosphate reductase large subunit | Homo sapiens | 
| A3CR20 | Ribonucleotide reductase (NrdI family protein), putative | Streptococcus sanguinis | 
| Q9H6W3 | Ribosomal oxygenase 1 | Homo sapiens | 
| Q84BQ9 | Ribosomal protein L11 methyltransferase | Thermus thermophilus | 
| C3MWA1 | Ribosomal protein L11 methyltransferase, putative | Sulfolobus islandicus | 
| Q15418 | Ribosomal protein S6 kinase alpha-1 | Homo sapiens | 
| P18654 | Ribosomal protein S6 kinase alpha-3 | Mus musculus | 
| O75582 | Ribosomal protein S6 kinase alpha-5 | Homo sapiens | 
| P23443 | Ribosomal protein S6 kinase beta-1 | Homo sapiens | 
| P0C0U4 | Ribosomal protein S6-L-glutamate ligase | Escherichia coli | 
| P42596 | Ribosomal RNA large subunit methyltransferase G | Escherichia coli | 
| P0C1V0 | Ribosomal RNA large subunit methyltransferase H | Staphylococcus aureus | 
| P37634 | Ribosomal RNA large subunit methyltransferase J | Escherichia coli | 
| P75864 | Ribosomal RNA large subunit methyltransferase K/L | Escherichia coli | 
| Q8IEL9 | Ribosomal RNA methyltransferase, putative | Plasmodium falciparum | 
| P36929 | Ribosomal RNA small subunit methyltransferase B | Escherichia coli | 
| Q5SKI6 | Ribosomal RNA small subunit methyltransferase E | Thermus thermophilus | 
| O66552 | Ribosomal RNA small subunit methyltransferase E | Aquifex aeolicus | 
| Q5SII2 | Ribosomal RNA small subunit methyltransferase F | Thermus thermophilus | 
| Q9LCY2 | Ribosomal RNA small subunit methyltransferase G | Thermus thermophilus | 
| Q5SJD8 | Ribosomal RNA small subunit methyltransferase H | Thermus thermophilus | 
| Q57977 | Ribosomal RNA small subunit methyltransferase Nep1 | Methanocaldococcus jannaschii | 
| O29524 | Ribosomal RNA small subunit methyltransferase Nep1 | Archaeoglobus fulgidus | 
| O43159 | Ribosomal RNA-processing protein 8 | Homo sapiens | 
| Q8ZJW4 | Ribosomal-protein-alanine acetyltransferase | Salmonella typhimurium | 
| D9J2T9 | Ribosome inactivating protein | Momordica balsamina | 
| P09989 | Ribosome-inactivating protein alpha-trichosanthin | Trichosanthes kirilowii | 
| P16094 | Ribosome-inactivating protein momordin I | Momordica charantia | 
| P16083 | Ribosyldihydronicotinamide dehydrogenase [quinone] | Homo sapiens | 
| O93627 | Ribulose bisphosphate carboxylase | Thermococcus kodakarensis   | 
| P0C512 | Ribulose bisphosphate carboxylase large chain | Oryza sativa subsp. japonica | 
| Q43088 | Ribulose-1,5 bisphosphate carboxylase/oxygenase large subunit N-methyltransferase, chloroplastic | Pisum sativum | 
| P02879 | Ricin | Ricinus communis | 
| A0QRS5 | Rifampin ADP-ribosyl transferase | Mycobacterium smegmatis 155 | 
| E3SLL2 | RIIA-RIIB membrane-associated protein | Synechococcus phage S-SSM7 | 
| O28471 | RIO-type serine/threonine-protein kinase Rio1 | Archaeoglobus fulgidus | 
| O30245 | RIO-type serine/threonine-protein kinase Rio2 | Archaeoglobus fulgidus | 
| P37025 | RNA 2',3'-cyclic phosphodiesterase | Escherichia coli | 
| Q5SLL8 | RNA 2'-O ribose methyltransferase | Thermus thermophilus | 
| P46849 | RNA 3'-terminal phosphate cyclase | Escherichia coli | 
| Q86MV5 | RNA editing complex protein MP57 | Trypanosoma brucei | 
| Q6A562 | RNA-dependent RNA polymerase | Thosea asigna virus | 
| D0PY27 | RNA-directed RNA polymerase | Hepatitis C virus | 
| P11124 | RNA-directed RNA polymerase | Pseudomonas phage phi6 | 
| P0CK31 | RNA-directed RNA polymerase lambda-3 | Reovirus type 3 | 
| P32340 | Rotenone-insensitive NADH-ubiquinone oxidoreductase, mitochondrial | Saccharomyces cerevisiae | 
| P13956 | rRNA adenine N-6-methyltransferase | Bacillus subtilis | 
| A3DDA2 | rRNA methylase | Clostridium thermocellum | 
| Q9UI43 | rRNA methyltransferase 2, mitochondrial | Homo sapiens | 
| Q2QEH4 | rRNA N-glycosidase | Saponaria officinalis | 
| M4VRJ6 | R-specific carbonyl reductase | Candida parapsilosis | 
| Q9HTK9 | Rubredoxin-NAD(+) reductase | Pseudomonas aeruginosa | 
| Q9Y265 | RuvB-like 1 | Homo sapiens | 
| Q9Y230 | RuvB-like 2 | Homo sapiens | 
| G0RYI5 | RuvB-like helicase | Chaetomium thermophilum | 
| D2Y3F4 | S-(hydroxymethyl)glutathione dehydrogenase | Solanum lycopersicum | 
| Q9P4R4 | Saccharopine dehydrogenase [NADP(+), L-glutamate-forming] | Magnaporthe oryzae | 
| O29998 | S-adenosyl-L-methionine-binding protein AF_0241 | Archaeoglobus fulgidus | 
| Q6NDF6 | S-adenosyl-L-methionine-binding protein RPA0152 | Rhodopseudomonas palustris | 
| P17707 | S-adenosylmethionine decarboxylase proenzyme | Homo sapiens | 
| P0A817 | S-adenosylmethionine synthase | Escherichia coli | 
| Q980S9 | S-adenosylmethionine synthase | Sulfolobus solfataricus | 
| P31153 | S-adenosylmethionine synthase isoform type-2 | Homo sapiens | 
| O42703 | SADH | Candida parapsilosis | 
| Q5ZTD3 | Saframycin Mx1 synthetase B | Legionella pneumophila subsp. pneumophila | 
| P9WFX1 | Salicylate synthase | Mycobacterium tuberculosis | 
| Q071N0 | Salutaridine reductase | Papaver somniferum | 
| Q6LY14 | SAM (And some other nucleotide) binding motif:Generic methyltransferase | Methanococcus maripaludis | 
| D7PC21 | SAM-dependent methyltransferase | Streptomyces luridus | 
| Q8F8Y3 | SAM-dependent O-methyltransferase | Leptospira interrogans serogroup Icterohaemorrhagiae serovar Lai | 
| P04191 | Sarcoplasmic/endoplasmic reticulum calcium ATPase 1 | Oryctolagus cuniculus | 
| P56221 | Scytalone dehydratase | Magnaporthe oryzae | 
| O76054 | SEC14-like protein 2 | Homo sapiens | 
| Q94KL8 | Secoisolariciresinol dehydrogenase | Podophyllum peltatum | 
| Q8KLT9 | Secondary alcohol dehydrogenase | Rhodococcus ruber | 
| P51141 | Segment polarity protein dishevelled homolog DVL-1 | Mus musculus | 
| O67139 | Selenide, water dikinase | Aquifex aeolicus | 
| P49903 | Selenide, water dikinase 1 | Homo sapiens | 
| P00669 | Seminal ribonuclease | Bos taurus | 
| Q9WZV7 | Sensor histidine kinase | Thermotoga maritima | 
| P0AE82 | Sensor histidine kinase CpxA | Escherichia coli | 
| O34757 | Sensor histidine kinase DesK | Bacillus subtilis | 
| Q45614 | Sensor histidine kinase WalK | Bacillus subtilis | 
| P23837 | Sensor protein PhoQ | Escherichia coli | 
| Q7A2Q0 | Sensor protein VraS | Staphylococcus aureus | 
| Q609M8 | Sensory box histidine kinase/response regulator | Methylococcus capsulatus | 
| Q88E39 | Sensory box protein | Pseudomonas putida | 
| Q64105 | Sepiapterin reductase | Mus musculus | 
| Q8KES3 | Sepiapterin reductase | Chlorobium tepidum | 
| P42208 | Septin-2 | Mus musculus | 
| Q9UHD8 | Septin-9 | Homo sapiens | 
| P0AEZ3 | Septum site-determining protein MinD | Escherichia coli | 
| P43886 | Serine acetyltransferase | Haemophilus influenzae | 
| P0AEE3 | Serine endoprotease DegS | Escherichia coli | 
| P0A825 | Serine hydroxymethyltransferase | Escherichia coli | 
| Q7SIB6 | Serine hydroxymethyltransferase | Geobacillus stearothermophilus | 
| P50431 | Serine hydroxymethyltransferase, cytosolic | Mus musculus | 
| F5CAQ9 | Serine racemase | Zea mays | 
| A5TY84 | Serine/threonine protein kinase | Mycobacterium tuberculosis | 
| O94804 | Serine/threonine-protein kinase 10 | Homo sapiens | 
| O75716 | Serine/threonine-protein kinase 16 | Homo sapiens | 
| Q9Y6E0 | Serine/threonine-protein kinase 24 | Homo sapiens | 
| O00506 | Serine/threonine-protein kinase 25 | Homo sapiens | 
| Q9P289 | Serine/threonine-protein kinase 26 | Homo sapiens | 
| Q8WU08 | Serine/threonine-protein kinase 32A | Homo sapiens | 
| P15056 | Serine/threonine-protein kinase B-raf | Homo sapiens | 
| O14757 | Serine/threonine-protein kinase Chk1 | Homo sapiens | 
| O96017 | Serine/threonine-protein kinase Chk2 | Homo sapiens | 
| Q9ZKJ5 | Serine/threonine-protein kinase CtkA | Helicobacter pylori | 
| Q8TF76 | Serine/threonine-protein kinase haspin | Homo sapiens | 
| Q9Y5S2 | Serine/threonine-protein kinase MRCK beta | Homo sapiens | 
| P42345 | Serine/threonine-protein kinase mTOR | Homo sapiens | 
| Q16512 | Serine/threonine-protein kinase N1 | Homo sapiens | 
| Q16513 | Serine/threonine-protein kinase N2 | Homo sapiens | 
| P51955 | Serine/threonine-protein kinase Nek2 | Homo sapiens | 
| O95747 | Serine/threonine-protein kinase OSR1 | Homo sapiens | 
| Q13153 | Serine/threonine-protein kinase PAK 1 | Homo sapiens | 
| O96013 | Serine/threonine-protein kinase PAK 4 | Homo sapiens | 
| Q9NQU5 | Serine/threonine-protein kinase PAK 6 | Homo sapiens | 
| P11309 | Serine/threonine-protein kinase pim-1 | Homo sapiens | 
| P9WI81 | Serine/threonine-protein kinase PknB | Mycobacterium tuberculosis | 
| P9WI73 | Serine/threonine-protein kinase PknG | Mycobacterium tuberculosis | 
| Q4KMI8 | Serine/threonine-protein kinase PLK | Danio rerio | 
| P53350 | Serine/threonine-protein kinase PLK1 | Homo sapiens | 
| Q9NYY3 | Serine/threonine-protein kinase PLK2 | Homo sapiens | 
| Q9H4B4 | Serine/threonine-protein kinase PLK3 | Homo sapiens | 
| O00444 | Serine/threonine-protein kinase PLK4 | Homo sapiens | 
| Q13523 | Serine/threonine-protein kinase PRP4 homolog | Homo sapiens | 
| P22216 | Serine/threonine-protein kinase RAD53 | Saccharomyces cerevisiae | 
| Q9BRS2 | Serine/threonine-protein kinase RIO1 | Homo sapiens | 
| O00141 | Serine/threonine-protein kinase Sgk1 | Homo sapiens | 
| Q03656 | Serine/threonine-protein kinase SKY1 | Saccharomyces cerevisiae | 
| Q9JLS3 | Serine/threonine-protein kinase TAO2 | Rattus norvegicus | 
| Q9UHD2 | Serine/threonine-protein kinase TBK1 | Homo sapiens | 
| P23874 | Serine/threonine-protein kinase toxin HipA | Escherichia coli | 
| Q99986 | Serine/threonine-protein kinase VRK1 | Homo sapiens | 
| P32361 | Serine/threonine-protein kinase/endoribonuclease IRE1 | Saccharomyces cerevisiae | 
| Q15257 | Serine/threonine-protein phosphatase 2A activator | Homo sapiens | 
| Q7PRG3 | Serine-pyruvate aminotransferase | Anopheles gambiae | 
| Q97VM5 | Serine-pyruvate aminotransferase (AgxT) | Sulfolobus solfataricus | 
| P34945 | Serine-tRNA ligase | Thermus thermophilus | 
| Q29495 | Serotonin N-acetyltransferase | Ovis aries | 
| P23694 | Serralysin | Serratia marcescens | 
| P02768 | Serum albumin | Homo sapiens | 
| P04278 | Sex hormone-binding globulin | Homo sapiens | 
| Q9WV48 | SH3 and multiple ankyrin repeat domains protein 1 | Rattus norvegicus | 
| Q58484 | Shikimate dehydrogenase (NADP(+)) | Methanocaldococcus jannaschii | 
| Q8Y9N5 | Shikimate dehydrogenase (NADP(+)) | Listeria monocytogenes serovar 1/2a | 
| Q88JP1 | Shikimate dehydrogenase family protein | Pseudomonas putida | 
| P9WPY3 | Shikimate kinase | Mycobacterium tuberculosis | 
| P56073 | Shikimate kinase | Helicobacter pylori | 
| P9WPY2 | Shikimate kinase | Mycobacterium tuberculosis | 
| Q4J9F2 | Short chain dehydrogenase | Sulfolobus acidocaldarius | 
| B4EEE3 | Short chain dehydrogenase | Burkholderia cenocepacia | 
| C6A190 | Short-chain alcohol dehydrogenase | Thermococcus sibiricus | 
| B9U359 | Short-chain dehydrogenase | Sphingobium yanoikuyae | 
| A3DFK9 | Short-chain dehydrogenase/reductase SDR | Clostridium thermocellum | 
| P15651 | Short-chain specific acyl-CoA dehydrogenase, mitochondrial | Rattus norvegicus | 
| P16219 | Short-chain specific acyl-CoA dehydrogenase, mitochondrial | Homo sapiens | 
| Q54727 | Sialidase B | Streptococcus pneumoniae serotype 4 | 
| C0LTM6 | SibL | Streptosporangium sibiricum | 
| A4Y1H9 | Siderophore-interacting protein | Shewanella putrefaciens | 
| Q8U070 | Signal recognition particle 54 kDa protein | Pyrococcus furiosus | 
| O07347 | Signal recognition particle protein | Thermus aquaticus | 
| P83749 | Signal recognition particle receptor FtsY | Thermus aquaticus | 
| P27414 | Signal recognition particle receptor FtsY | Sulfolobus acidocaldarius | 
| P83820 | Signaling protein | Thermus thermophilus | 
| Q94G59 | Sinapyl alcohol dehydrogenase | Populus tremuloides | 
| D0EM60 | Single-stranded-DNA-specific exonuclease | Deinococcus radiodurans | 
| Q1JGN6 | SIR2 family protein | Streptococcus pyogenes serotype M2 | 
| A4IMB4 | Site-determining protein | Geobacillus thermodenitrificans | 
| O67033 | Site-determining protein | Aquifex aeolicus | 
| P20606 | Small COPII coat GTPase SAR1 | Saccharomyces cerevisiae | 
| Q970D9 | Small heat shock protein StHsp14.0 | Sulfolobus tokodaii | 
| Q5T8I9 | Small RNA 2'-O-methyltransferase | Homo sapiens | 
| Q13126 | S-methyl-5'-thioadenosine phosphorylase | Homo sapiens | 
| Q97W94 | S-methyl-5'-thioadenosine phosphorylase | Sulfolobus solfataricus | 
| Q99835 | Smoothened homolog | Homo sapiens | 
| P34179 | Snake venom metalloproteinase adamalysin-2 | Crotalus adamanteus | 
| P15167 | Snake venom metalloproteinase atrolysin-D | Crotalus atrox | 
| P83512 | Snake venom metalloproteinase BaP1 | Bothrops asper | 
| Q67A25 | S-norcoclaurine synthase | Thalictrum flavum subsp. glaucum | 
| Q4H132 | Sodium/potassium-transporting ATPase subunit alpha | Squalus acanthias | 
| P06685 | Sodium/potassium-transporting ATPase subunit alpha-1 | Rattus norvegicus | 
| Q7K4Y6 | Sodium-dependent dopamine transporter | Drosophila melanogaster | 
| Q5HZ00 | Solanesyl diphosphate synthase 3, chloroplastic/mitochondrial | Arabidopsis thaliana | 
| Q8WSF8 | Soluble acetylcholine receptor | Aplysia californica | 
| P0ABE7 | Soluble cytochrome b562 | Escherichia coli | 
| Q00796 | Sorbitol dehydrogenase | Homo sapiens | 
| O34919 | SPBc2 prophage-derived deoxyuridine 5'-triphosphate nucleotidohydrolase YosS | Bacillus subtilis | 
| O06916 | Spectinomycin phosphotransferase | Legionella pneumophila | 
| Q9HL57 | Spermidine N(1)-acetyltransferase | Thermoplasma acidophilum | 
| P19623 | Spermidine synthase | Homo sapiens | 
| Q8II73 | Spermidine synthase | Plasmodium falciparum | 
| Q4DA73 | Spermidine synthase, putative | Trypanosoma cruzi | 
| P21340 | Spermidine/spermine N(1)-acetyltransferase | Bacillus subtilis | 
| P21453 | Sphingosine 1-phosphate receptor 1 | Homo sapiens | 
| Q9NYA1 | Sphingosine kinase 1 | Homo sapiens | 
| P07788 | Spore coat protein A | Bacillus subtilis | 
| A4IQU1 | Spore photoproduct lyase | Geobacillus thermodenitrificans | 
| Q4JB16 | SpoU rRNA methylase | Sulfolobus acidocaldarius | 
| P37268 | Squalene synthase | Homo sapiens | 
| P33247 | Squalene-hopene cyclase | Alicyclobacillus acidocaldarius subsp. acidocaldarius | 
| Q96SB4 | SRSF protein kinase 1 | Homo sapiens | 
| P78362 | SRSF protein kinase 2 | Homo sapiens | 
| Q8A1G2 | Starch-binding protein SusD | Bacteroides thetaiotaomicron | 
| Q7RTN6 | STE20-related kinase adapter protein alpha | Homo sapiens | 
| P05093 | Steroid 17-alpha-hydroxylase/17,20 lyase | Homo sapiens | 
| P08686 | Steroid 21-hydroxylase | Homo sapiens | 
| I6XHI4 | Steroid 3-ketoacyl-CoA thiolase | Mycobacterium tuberculosis | 
| P9WPP1 | Steroid C26-monooxygenase | Mycobacterium tuberculosis | 
| P07445 | Steroid Delta-isomerase | Pseudomonas putida | 
| P00947 | Steroid Delta-isomerase | Comamonas testosteroni | 
| P11474 | Steroid hormone receptor ERR1 | Homo sapiens | 
| O50641 | Steroid monooxygenase | Rhodococcus rhodochrous | 
| Q86WV6 | Stimulator of interferon genes protein | Homo sapiens | 
| P22629 | Streptavidin | Streptomyces avidinii | 
| P50870 | Streptogramin A acetyltransferase | Enterococcus faecium | 
| P92208 | Stress-activated protein kinase JNK | Drosophila melanogaster | 
| P68175 | Strictosidine synthase | Rauvolfia serpentina | 
| Q8GU20 | Strictosidine-O-beta-D-glucosidase | Rauvolfia serpentina | 
| P08254 | Stromelysin-1 | Homo sapiens | 
| P09238 | Stromelysin-2 | Homo sapiens | 
| Q02853 | Stromelysin-3 | Mus musculus | 
| P32908 | Structural maintenance of chromosomes protein 1 | Saccharomyces cerevisiae | 
| O33495 | Styrene monooxygenase component 2 | Pseudomonas sp. Y2 | 
| Q50LF0 | Subunit alpha of sarocosine oxidase | Corynebacterium sp. U-96 | 
| Q50LF2 | Subunit beta of sarcosine oxidase | Corynebacterium sp. U-96 | 
| Q0QF01 | Succinate dehydrogenase [ubiquinone] flavoprotein subunit, mitochondrial | Sus scrofa | 
| Q007T0 | Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial | Sus scrofa | 
| Q9YHT2 | Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial | Gallus gallus | 
| O44074 | Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial | Ascaris suum | 
| P07014 | Succinate dehydrogenase iron-sulfur subunit | Escherichia coli | 
| O19069 | Succinate-CoA ligase [ADP/GDP-forming] subunit alpha, mitochondrial | Sus scrofa | 
| P0AGE9 | Succinate-CoA ligase [ADP-forming] subunit alpha | Escherichia coli | 
| P25126 | Succinate-CoA ligase [GDP-forming] subunit beta | Thermus thermophilus | 
| B1XMM6 | Succinate-semialdehyde dehydrogenase | Synechococcus sp. | 
| P51649 | Succinate-semialdehyde dehydrogenase, mitochondrial | Homo sapiens | 
| B3EY95 | Succinyl-CoA:acetate CoA-transferase | Acetobacter aceti | 
| P77581 | Succinylornithine transaminase | Escherichia coli | 
| B3TMR8 | Sugar 3-ketoreductase | Actinomadura kijaniata | 
| Q7MVC7 | Sugar dehydrogenase, UDP-glucose/GDP-mannose dehydrogenase family | Porphyromonas gingivalis | 
| P08536 | Sulfate adenylyltransferase | Saccharomyces cerevisiae | 
| O00391 | Sulfhydryl oxidase 1 | Homo sapiens | 
| O67931 | Sulfide-quinone reductase | Aquifex aeolicus | 
| B7JBP8 | Sulfide-quinone reductase | Acidithiobacillus ferrooxidans   | 
| P38038 | Sulfite reductase [NADPH] flavoprotein alpha-component | Escherichia coli | 
| Q3UZZ6 | Sulfotransferase 1 family member D1 | Mus musculus | 
| P50225 | Sulfotransferase 1A1 | Homo sapiens | 
| O00204 | Sulfotransferase family cytosolic 2B member 1 | Homo sapiens | 
| G4VLE5 | Sulfotransferase oxamniquine resistance protein | Schistosoma mansoni | 
| Q9UBT2 | SUMO-activating enzyme subunit 2 | Homo sapiens | 
| P53078 | Suppressor of disruption of TFIIS | Saccharomyces cerevisiae | 
| C9E3B4 | Surface protein adhesin | Streptococcus mutans | 
| P17599 | Synapsin-1 | Bos taurus | 
| Q63537 | Synapsin-2 | Rattus norvegicus | 
| O14994 | Synapsin-3 | Homo sapiens | 
| Q833W9 | Tagatose-6-phosphate kinase | Enterococcus faecalis | 
| B9A0T7 | Tamavidin2 | Pleurotus cornucopiae | 
| D3Y1I2 | TamL | Streptomyces sp. 307-9 | 
| O95271 | Tankyrase-1 | Homo sapiens | 
| Q9H2K2 | Tankyrase-2 | Homo sapiens | 
| B3Y018 | Tannase | Lactobacillus plantarum | 
| Q51945 | Tartrate dehydrogenase/decarboxylase | Pseudomonas putida | 
| I1MJ34 | Tau class glutathione S-transferase | Glycine max | 
| Q5TCY1 | Tau-tubulin kinase 1 | Homo sapiens | 
| Q41594 | Taxadiene synthase | Taxus brevifolia | 
| P20974 | T-cell ecto-ADP-ribosyltransferase 2 | Rattus norvegicus | 
| P29016 | T-cell surface glycoprotein CD1b | Homo sapiens | 
| Q6T1W8 | TDP-4-oxo-6-deoxy-alpha-D-glucose-3,4-oxoisomerase | Aneurinibacillus thermoaerophilus | 
| Q5HLM5 | Teichoic acid poly(glycerol phosphate) polymerase | Staphylococcus epidermidis | 
| P25397 | Tellurite methyltransferase | Escherichia coli | 
| Q84II6 | Terminal oxygenase component of carbazole | Janthinobacterium sp. | 
| O13833 | Terminal uridylyltransferase cid1 | Schizosaccharomyces pombe | 
| Q58L87 | TetR family transcriptional regulator | Mycobacterium smegmatis | 
| O67572 | Tetraacyldisaccharide 4'-kinase | Aquifex aeolicus | 
| P04483 | Tetracycline repressor protein class B from transposon Tn10 | Escherichia coli | 
| P0ACT4 | Tetracycline repressor protein class D | Escherichia coli | 
| P51561 | Tetracycline repressor protein class H | Pasteurella multocida | 
| Q12634 | Tetrahydroxynaphthalene reductase | Magnaporthe oryzae | 
| Q93L51 | TetX family tetracycline inactivation enzyme | Bacteroides thetaiotaomicron | 
| P36897 | TGF-beta receptor type-1 | Homo sapiens | 
| P37173 | TGF-beta receptor type-2 | Homo sapiens | 
| P00800 | Thermolysin | Bacillus thermoproteolyticus | 
| P61112 | Thermosome subunit alpha | Thermococcus sp. | 
| Q9R0M5 | Thiamin pyrophosphokinase 1 | Mus musculus | 
| Q82ZE3 | Thiamin pyrophosphokinase family protein | Enterococcus faecalis | 
| P35202 | Thiamine pyrophosphokinase | Saccharomyces cerevisiae | 
| P32318 | Thiamine thiazole synthase | Saccharomyces cerevisiae | 
| Q1K6I4 | Thiamine thiazole synthase | Neurospora crassa | 
| Q38814 | Thiamine thiazole synthase, chloroplastic | Arabidopsis thaliana | 
| P31550 | Thiamine-binding periplasmic protein | Escherichia coli | 
| O67883 | Thiamine-monophosphate kinase | Aquifex aeolicus | 
| P39594 | Thiamine-phosphate synthase | Bacillus subtilis | 
| Q8JZL3 | Thiamine-triphosphatase | Mus musculus | 
| P25053 | Thiazole tautomerase | Bacillus subtilis | 
| Q0WP12 | Thiocyanate methyltransferase 1 | Arabidopsis thaliana | 
| Q5ZRL4 | Thioesterase | Legionella pneumophila subsp. pneumophila | 
| Q9HFE4 | Thiol-specific monooxygenase | Schizosaccharomyces pombe | 
| P51580 | Thiopurine S-methyltransferase | Homo sapiens | 
| Q962Y6 | Thioredoxin glutathione reductase | Schistosoma mansoni | 
| B5THG7 | Thioredoxin glutathione reductase | Schistosoma japonicum | 
| P0A9P4 | Thioredoxin reductase | Escherichia coli | 
| P9WHH1 | Thioredoxin reductase | Mycobacterium tuberculosis | 
| Q9RSY7 | Thioredoxin reductase | Deinococcus radiodurans | 
| A9LN30 | Thioredoxin reductase | Hordeum vulgare var. distichum | 
| P29509 | Thioredoxin reductase 1 | Saccharomyces cerevisiae | 
| O89049 | Thioredoxin reductase 1, cytoplasmic | Rattus norvegicus | 
| Q16881 | Thioredoxin reductase 1, cytoplasmic | Homo sapiens | 
| Q39243 | Thioredoxin reductase 1, mitochondrial | Arabidopsis thaliana | 
| P91938 | Thioredoxin reductase 1, mitochondrial | Drosophila melanogaster | 
| P61076 | Thioredoxin reductase 2 | Plasmodium falciparum | 
| Q9JLT4 | Thioredoxin reductase 2, mitochondrial | Mus musculus | 
| Q5MBU7 | Thioredoxin reductase gliT | Neosartorya fumigata | 
| Q5SLC3 | Thioredoxin reductase related protein | Thermus thermophilus | 
| Q72LA4 | Thiosulfate reductase | Thermus thermophilus | 
| P00586 | Thiosulfate sulfurtransferase | Bos taurus | 
| Q91XB0 | Three-prime repair exonuclease 1 | Mus musculus | 
| Q9S7B5 | Threonine synthase 1, chloroplastic | Arabidopsis thaliana | 
| P0A8M3 | Threonine-tRNA ligase | Escherichia coli | 
| Q9UZ14 | Threonine-tRNA ligase | Pyrococcus abyssi | 
| Q970S6 | Threonylcarbamoyl-AMP synthase | Sulfolobus tokodaii | 
| P03176 | Thymidine kinase | Human herpesvirus 1 | 
| Q9PPP5 | Thymidine kinase | Ureaplasma parvum serovar 3 | 
| P04183 | Thymidine kinase, cytosolic | Homo sapiens | 
| Q38CF2 | Thymidine kinase, putative | Trypanosoma brucei brucei | 
| P07650 | Thymidine phosphorylase | Escherichia coli | 
| Q7CP66 | Thymidine phosphorylase | Salmonella typhimurium | 
| P9WKE1 | Thymidylate kinase | Mycobacterium tuberculosis | 
| Q8I4S1 | Thymidylate kinase | Plasmodium falciparum | 
| P0A884 | Thymidylate synthase | Escherichia coli | 
| P13100 | Thymidylate synthase | Pneumocystis carinii | 
| P0CS12 | Thymidylate synthase | Cryptococcus neoformans var. neoformans serotype D | 
| P45352 | Thymidylate synthase | Rattus norvegicus | 
| P9WFR9 | Thymidylate synthase ThyA | Mycobacterium tuberculosis | 
| Q7RYZ9 | Thymine dioxygenase | Neurospora crassa | 
| P10827 | Thyroid hormone receptor alpha | Homo sapiens | 
| P10828 | Thyroid hormone receptor beta | Homo sapiens | 
| P05543 | Thyroxine-binding globulin | Homo sapiens | 
| Q8DMN3 | Tll0078 protein | Thermosynechococcus elongatus | 
| A8WFV1 | TNF receptor-associated protein 1 | Danio rerio | 
| Q9NR97 | Toll-like receptor 8 | Homo sapiens | 
| A5W4E9 | Toluene 1,2-dioxygenase system ferredoxin-NAD(+) reductase component | Pseudomonas putida | 
| Q03304 | Toluene-4-monooxygenase electron transfer component | Pseudomonas mendocina | 
| Q189K5 | Toxin A | Peptoclostridium difficile | 
| Q54944 | Toxin zeta | Streptococcus pyogenes | 
| E3SET7 | Toxoflavin degrading enzyme | Paenibacillus polymyxa | 
| D7K0H3 | TPR domain protein | Bacteroides sp. 3_1_23 | 
| P43902 | T-protein | Haemophilus influenzae | 
| Q9UKE5 | TRAF2 and NCK-interacting protein kinase | Homo sapiens | 
| Q9TQS6 | Trans-1,2-dihydrobenzene-1,2-diol dehydrogenase | Macaca fascicularis | 
| Q97LU2 | Trans-2-enoyl-CoA reductase [NADH] | Clostridium acetobutylicum | 
| Q8UH15 | Trans-aconitate 2-methyltransferase | Agrobacterium fabrum   | 
| Q2FZ56 | Transcription factor FapR | Staphylococcus aureus | 
| P0AG30 | Transcription termination factor Rho | Escherichia coli | 
| P25084 | Transcriptional activator protein LasR | Pseudomonas aeruginosa | 
| Q7NQP7 | Transcriptional activator, LuxR/UhpA family of regulators | Chromobacterium violaceum | 
| Q15562 | Transcriptional enhancer factor TEF-4 | Homo sapiens | 
| Q8NMG3 | Transcriptional regulator | Corynebacterium glutamicum | 
| O67198 | Transcriptional regulator (NtrC family) | Aquifex aeolicus | 
| Q8XBD0 | Transcriptional regulator of ftsQAZ gene cluster | Escherichia coli O157:H7 | 
| Q5HLN6 | Transcriptional regulator TcaR | Staphylococcus epidermidis | 
| P23202 | Transcriptional regulator URE2 | Saccharomyces cerevisiae | 
| A2RI36 | Transcriptional regulator, PadR-like family | Lactococcus lactis subsp. cremoris | 
| O34994 | Transcriptional repressor CcpN | Bacillus subtilis | 
| Q5SM42 | Transcriptional repressor, TetR family | Thermus thermophilus | 
| P61586 | Transforming protein RhoA | Homo sapiens | 
| Q923J1 | Transient receptor potential cation channel subfamily M member 7 | Mus musculus | 
| Q01853 | Transitional endoplasmic reticulum ATPase | Mus musculus | 
| Q0P7Y3 | Transketolase | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| P9WG25 | Transketolase | Mycobacterium tuberculosis | 
| Q2SZA7 | Transketolase | Burkholderia thailandensis | 
| P23254 | Transketolase 1 | Saccharomyces cerevisiae | 
| P27302 | Transketolase 1 | Escherichia coli | 
| Q7SIC9 | Transketolase, chloroplastic | Zea mays | 
| Q980A5 | Translation initiation factor 2 subunit gamma | Sulfolobus solfataricus | 
| O23680 | Translocase of chloroplast 33, chloroplastic | Arabidopsis thaliana | 
| Q41009 | Translocase of chloroplast 34 | Pisum sativum | 
| Q9K0A9 | Transporter | Neisseria meningitidis serogroup B | 
| Q26966 | Trans-sialidase | Trypanosoma cruzi | 
| P02766 | Transthyretin | Homo sapiens | 
| P02767 | Transthyretin | Rattus norvegicus | 
| Q9PTT3 | Transthyretin | Sparus aurata | 
| E1VBK4 | TRAP-T-associated universal stress protein TeaD | Halomonas elongata | 
| P31677 | Trehalose-6-phosphate synthase | Escherichia coli | 
| O42692 | Trichothecene 3-O-acetyltransferase | Gibberella zeae | 
| O93655 | Tricorn protease-interacting factor F3 | Thermoplasma acidophilum | 
| P22102 | Trifunctional purine biosynthetic protein adenosine-3 | Homo sapiens | 
| P16099 | Trimethylamine dehydrogenase | Methylophilus methylotrophus | 
| P00942 | Triosephosphate isomerase | Saccharomyces cerevisiae | 
| Q2TNI4 | Triphenylmethane reductase | Citrobacter sp. MY-5 | 
| Q9V1J7 | tRNA (adenine(57)-N(1)/adenine(58)-N(1))-methyltransferase TrmI | Pyrococcus abyssi | 
| Q96FX7 | tRNA (adenine(58)-N(1))-methyltransferase catalytic subunit TRMT61A | Homo sapiens | 
| P9WFZ1 | tRNA (adenine(58)-N(1))-methyltransferase TrmI | Mycobacterium tuberculosis | 
| Q8GBB2 | tRNA (adenine(58)-N(1))-methyltransferase TrmI | Thermus thermophilus | 
| Q4J894 | tRNA (adenine(9)-N1)-methyltransferase | Sulfolobus acidocaldarius | 
| P44868 | tRNA (cytidine(34)-2'-O)-methyltransferase | Haemophilus influenzae | 
| Q74Y93 | tRNA (cytidine(34)-2'-O)-methyltransferase | Yersinia pestis | 
| O58214 | tRNA (cytidine(56)-2'-O)-methyltransferase | Pyrococcus horikoshii | 
| P0AE01 | tRNA (cytidine/uridine-2'-O-)-methyltransferase TrmJ | Escherichia coli | 
| Q60343 | tRNA (cytosine(48)-C(5))-methyltransferase | Methanocaldococcus jannaschii | 
| O59493 | tRNA (guanine(26)-N(2))-dimethyltransferase | Pyrococcus horikoshii | 
| O67010 | tRNA (guanine(26)-N(2)/guanine(27)-N(2))-dimethyltransferase | Aquifex aeolicus | 
| Q58293 | tRNA (guanine(37)-N1)-methyltransferase Trm5b | Methanocaldococcus jannaschii | 
| O14214 | tRNA (guanine(9)-N1)-methyltransferase | Schizosaccharomyces pombe | 
| P0A873 | tRNA (guanine-N(1)-)-methyltransferase | Escherichia coli | 
| P43912 | tRNA (guanine-N(1)-)-methyltransferase | Haemophilus influenzae | 
| B2JF31 | tRNA (guanine-N(1)-)-methyltransferase | Paraburkholderia phymatum | 
| Q12009 | tRNA (guanine-N(7)-)-methyltransferase | Saccharomyces cerevisiae | 
| O29206 | tRNA (pseudouridine(54)-N(1))-methyltransferase | Archaeoglobus fulgidus | 
| Q8XDG3 | tRNA 5-carboxymethoxyuridine methyltransferase | Escherichia coli O157:H7 | 
| P77182 | tRNA 5-methylaminomethyl-2-thiouridine biosynthesis bifunctional protein MnmC | Escherichia coli | 
| Q8ZD36 | tRNA 5-methylaminomethyl-2-thiouridine biosynthesis bifunctional protein MnmC | Yersinia pestis | 
| P16384 | tRNA dimethylallyltransferase | Escherichia coli | 
| Q9WYA4 | tRNA modification GTPase MnmE | Thermotoga maritima | 
| Q9UXT7 | tRNA N6-adenosine threonylcarbamoyltransferase | Pyrococcus abyssi | 
| P05852 | tRNA N6-adenosine threonylcarbamoyltransferase | Escherichia coli | 
| Q46927 | tRNA threonylcarbamoyladenosine dehydratase | Escherichia coli | 
| A1AC32 | tRNA U34 carboxymethyltransferase | Escherichia coli O1:K1 / APEC | 
| Q08282 | tRNA wybutosine-synthesizing protein 4 | Saccharomyces cerevisiae | 
| Q5AFK5 | tRNA(His) guanylyltransferase {ECO:0000256|PIRNR:PIRNR028980} | Candida albicans | 
| O28025 | tRNA(Ile2) 2-agmatinylcytidine synthetase TiaS | Archaeoglobus fulgidus | 
| P76562 | tRNA(Met) cytidine acetyltransferase TmcA | Escherichia coli | 
| O58523 | tRNA(Phe) (4-demethylwyosine(37)-C(7)) aminocarboxypropyltransferase | Pyrococcus horikoshii | 
| Q9WXV1 | tRNA-dihydrouridine synthase | Thermotoga maritima | 
| P33371 | tRNA-dihydrouridine(16) synthase | Escherichia coli | 
| O58843 | tRNA-guanine(15) transglycosylase | Pyrococcus horikoshii | 
| Q97T38 | tRNA-specific 2-thiouridylase MnmA | Streptococcus pneumoniae serotype 4 | 
| O59245 | tRNA-splicing ligase RtcB | Pyrococcus horikoshii | 
| P50162 | Tropinone reductase 1 | Datura stramonium | 
| P50163 | Tropinone reductase 2 | Datura stramonium | 
| P63316 | Troponin C, slow skeletal and cardiac muscles | Homo sapiens | 
| P28593 | Trypanothione reductase | Trypanosoma cruzi | 
| P39040 | Trypanothione reductase | Crithidia fasciculata | 
| A4HSF7 | Trypanothione reductase | Leishmania infantum | 
| Q15661 | Tryptase alpha/beta-1 | Homo sapiens | 
| A4D0H5 | Tryptophan 5-halogenase | Streptomyces rugosporus | 
| P17752 | Tryptophan 5-hydroxylase 1 | Homo sapiens | 
| E9P162 | Tryptophan 6-halogenase | Streptomyces toxytricini | 
| P00909 | Tryptophan biosynthesis protein TrpCF | Escherichia coli | 
| P00929 | Tryptophan synthase alpha chain | Salmonella typhimurium | 
| P0A2K1 | Tryptophan synthase beta chain | Salmonella typhimurium | 
| Q8U093 | Tryptophan synthase beta chain 1 | Pyrococcus furiosus | 
| Q97TX6 | Tryptophan synthase beta chain 2 | Sulfolobus solfataricus | 
| P00953 | Tryptophan-tRNA ligase | Geobacillus stearothermophilus | 
| O59584 | Tryptophan-tRNA ligase | Pyrococcus horikoshii | 
| Q9RVD6 | Tryptophan-tRNA ligase 2 | Deinococcus radiodurans | 
| P23381 | Tryptophan-tRNA ligase, cytoplasmic | Homo sapiens | 
| A9ULH4 | Ttl protein | Xenopus tropicalis | 
| Q8GCC5 | Tubulin | Prosthecobacter dejongeii | 
| D0VWZ0 | Tubulin alpha chain | Ovis aries | 
| P09733 | Tubulin alpha-1 chain | Saccharomyces cerevisiae | 
| P81947 | Tubulin alpha-1B chain | Bos taurus | 
| D0VWY9 | Tubulin beta chain | Ovis aries | 
| P32882 | Tubulin beta-2 chain | Gallus gallus | 
| Q6B856 | Tubulin beta-2B chain | Bos taurus | 
| P23258 | Tubulin gamma-1 chain | Homo sapiens | 
| E1BQ43 | Tubulin tyrosine ligase | Gallus gallus | 
| A0B5R2 | Tubulin-like protein CetZ | Methanosaeta thermophila | 
| D4GTC1 | Tubulin-like protein CetZ2 | Haloferax volcanii | 
| P24559 | Twitching mobility protein | Pseudomonas aeruginosa | 
| O66950 | Twitching motility protein PilT | Aquifex aeolicus | 
| R9WYL1 | Two-component system histidine protein kinase | Lactobacillus plantarum 16 | 
| O05207 | Type 2 DNA topoisomerase 6 subunit B | Sulfolobus shibatae | 
| G3XD28 | Type 4 fimbrial biogenesis protein PilM | Pseudomonas aeruginosa | 
| Q50497 | Type A flavoprotein FprA | Methanothermobacter marburgensis | 
| Q9K395 | Type E botulinum toxin | Clostridium butyricum | 
| P10486 | Type I restriction enzyme EcoR124II R protein | Escherichia coli | 
| O29598 | Type II secretion system protein (GspE-2) | Archaeoglobus fulgidus | 
| P37093 | Type II secretion system protein E | Vibrio cholerae serotype O1 | 
| B0KAW2 | Type IV secretory pathway VirB4 components-like protein | Thermoanaerobacter pseudethanolicus | 
| P04177 | Tyrosine 3-monooxygenase | Rattus norvegicus | 
| P31013 | Tyrosine phenol-lyase | Citrobacter freundii | 
| Q3ZC95 | Tyrosine-protein kinase | Bos taurus | 
| P00520 | Tyrosine-protein kinase ABL1 | Mus musculus | 
| Q06187 | Tyrosine-protein kinase BTK | Homo sapiens | 
| P41240 | Tyrosine-protein kinase CSK | Homo sapiens | 
| P07332 | Tyrosine-protein kinase Fes/Fps | Homo sapiens | 
| P06241 | Tyrosine-protein kinase Fyn | Homo sapiens | 
| P08631 | Tyrosine-protein kinase HCK | Homo sapiens | 
| Q08881 | Tyrosine-protein kinase ITK/TSK | Homo sapiens | 
| P23458 | Tyrosine-protein kinase JAK1 | Homo sapiens | 
| O60674 | Tyrosine-protein kinase JAK2 | Homo sapiens | 
| P52333 | Tyrosine-protein kinase JAK3 | Homo sapiens | 
| P06239 | Tyrosine-protein kinase Lck | Homo sapiens | 
| P25911 | Tyrosine-protein kinase Lyn | Mus musculus | 
| P55144 | Tyrosine-protein kinase receptor TYRO3 | Mus musculus | 
| P43405 | Tyrosine-protein kinase SYK | Homo sapiens | 
| P43403 | Tyrosine-protein kinase ZAP-70 | Homo sapiens | 
| P18031 | Tyrosine-protein phosphatase non-receptor type 1 | Homo sapiens | 
| Q99952 | Tyrosine-protein phosphatase non-receptor type 18 | Homo sapiens | 
| P43378 | Tyrosine-protein phosphatase non-receptor type 9 | Homo sapiens | 
| A6QHR2 | Tyrosine-tRNA ligase | Staphylococcus aureus | 
| P0AGJ9 | Tyrosine-tRNA ligase | Escherichia coli | 
| P54577 | Tyrosine-tRNA ligase, cytoplasmic | Homo sapiens | 
| Q9Y2Z4 | Tyrosine-tRNA ligase, mitochondrial | Homo sapiens | 
| Q9JJX7 | Tyrosyl-DNA phosphodiesterase 2 | Mus musculus | 
| Q86W50 | U6 small nuclear RNA (adenine-(43)-N(6))-methyltransferase | Homo sapiens | 
| Q6TEC1 | U8 snoRNA-decapping enzyme | Xenopus laevis | 
| P17993 | Ubiquinone biosynthesis O-methyltransferase | Escherichia coli | 
| P49427 | Ubiquitin-conjugating enzyme E2 R1 | Homo sapiens | 
| Q9HZ76 | UDP-2-acetamido-2-deoxy-3-oxo-D-glucuronate aminotransferase | Pseudomonas aeruginosa | 
| P0CD76 | UDP-3-O-acylglucosamine N-acyltransferase | Chlamydia trachomatis | 
| O67648 | UDP-3-O-acyl-N-acetylglucosamine deacetylase | Aquifex aeolicus | 
| O25094 | UDP-4-amino-4,6-dideoxy-N-acetyl-beta-L-altrosamine N-acetyltransferase | Helicobacter pylori | 
| P37747 | UDP-galactopyranose mutase | Escherichia coli | 
| Q9RYF1 | UDP-galactopyranose mutase | Deinococcus radiodurans | 
| P09147 | UDP-glucose 4-epimerase | Escherichia coli | 
| Q14376 | UDP-glucose 4-epimerase | Homo sapiens | 
| C8VAU8 | UDP-glucose 4-epimerase (Eurofung) | Emericella nidulans | 
| O29886 | UDP-glucose 4-epimerase (GalE-1) | Archaeoglobus fulgidus | 
| Q9WYX9 | UDP-glucose 4-epimerase, putative | Thermotoga maritima | 
| P0C0F4 | UDP-glucose 6-dehydrogenase | Streptococcus pyogenes | 
| O60701 | UDP-glucose 6-dehydrogenase | Homo sapiens | 
| C9E261 | UDP-glucose dehydrogenase | Burkholderia cepacia | 
| Q4QDU3 | UDP-glucose pyrophosphorylase | Leishmania major | 
| Q8NBZ7 | UDP-glucuronic acid decarboxylase 1 | Homo sapiens | 
| Q9M156 | UDP-glycosyltransferase 72B1 | Arabidopsis thaliana | 
| G3XD23 | UDP-N-acetyl-2-amino-2-deoxy-D-glucuronate oxidase | Pseudomonas aeruginosa | 
| Q0P9D1 | UDP-N-acetylbacillosamine N-acetyltransferase | Campylobacter jejuni subsp. jejuni serotype O:2 | 
| P61431 | UDP-N-acetylenolpyruvoylglucosamine reductase | Staphylococcus aureus | 
| P08373 | UDP-N-acetylenolpyruvoylglucosamine reductase | Escherichia coli | 
| Q9HZM7 | UDP-N-acetylenolpyruvoylglucosamine reductase | Pseudomonas aeruginosa | 
| Q5FAE1 | UDP-N-acetylgalactosaminyltransferase | Neisseria gonorrhoeae | 
| P0A749 | UDP-N-acetylglucosamine 1-carboxyvinyltransferase | Escherichia coli | 
| Q81K32 | UDP-N-acetylglucosamine 2-epimerase | Bacillus anthracis | 
| P39131 | UDP-N-acetylglucosamine 2-epimerase | Bacillus subtilis | 
| Q5E8L1 | UDP-N-acetylglucosamine 4,6-dehydratase | Vibrio fischeri | 
| O25511 | UDP-N-acetylglucosamine 4,6-dehydratase (inverting) | Helicobacter pylori | 
| Q7BJX9 | UDP-N-acetylglucosamine 4-epimerase | Plesiomonas shigelloides | 
| O74933 | UDP-N-acetylglucosamine pyrophosphorylase | Candida albicans | 
| Q386Q8 | UDP-N-acetylglucosamine pyrophosphorylase, putative | Trypanosoma brucei brucei | 
| P17443 | UDP-N-acetylglucosamine-N-acetylmuramyl-(pentapeptide) pyrophosphoryl-undecaprenol N-acetylglucosamine transferase | Escherichia coli | 
| O15294 | UDP-N-acetylglucosamine-peptide N-acetylglucosaminyltransferase 110 kDa subunit | Homo sapiens | 
| Q16222 | UDP-N-acetylhexosamine pyrophosphorylase | Homo sapiens | 
| P45066 | UDP-N-acetylmuramate-L-alanine ligase | Haemophilus influenzae | 
| P14900 | UDP-N-acetylmuramoylalanine-D-glutamate ligase | Escherichia coli | 
| Q9WY79 | UDP-N-acetylmuramoyl-L-alanyl-D-glutamate-LD-lysine ligase | Thermotoga maritima | 
| Q2FZP6 | UDP-N-acetylmuramoyl-L-alanyl-D-glutamate-L-lysine ligase | Staphylococcus aureus | 
| Q8DNV6 | UDP-N-acetylmuramoyl-tripeptide-D-alanyl-D-alanine ligase | Streptococcus pneumoniae | 
| Q9HVZ7 | UDP-N-acetylmuramoyl-tripeptide-D-alanyl-D-alanine ligase | Pseudomonas aeruginosa | 
| D3G6S4 | UDP-sugar pyrophosphorylase | Leishmania major | 
| O48917 | UDP-sulfoquinovose synthase, chloroplastic | Arabidopsis thaliana | 
| Q8TL28 | Ulilysin | Methanosarcina acetivorans | 
| Q58206 | Uncharacterized ABC transporter ATP-binding protein MJ0796 | Methanocaldococcus jannaschii | 
| Q2T1U7 | Uncharacterized ACR, COG1565 superfamily | Burkholderia thailandensis | 
| P44886 | Uncharacterized acyl-CoA thioester hydrolase HI_0827 | Haemophilus influenzae | 
| Q03Q85 | Uncharacterized NAD(FAD)-dependent dehydrogenase | Lactobacillus brevis | 
| Q73SC8 | Uncharacterized NAD-dependent oxidoreductase MAP_4146 | Mycobacterium paratuberculosis | 
| A0QV09 | Uncharacterized oxidoreductase MSMEG_2407/MSMEI_2346 | Mycobacterium smegmatis 155 | 
| P31808 | Uncharacterized oxidoreductase YciK | Escherichia coli | 
| Q9HYR3 | Uncharacterized PhzA/B-like protein PA3332 | Pseudomonas aeruginosa | 
| Q5SKH6 | Uncharacterized protein | Thermus thermophilus | 
| O57965 | Uncharacterized protein | Pyrococcus horikoshii | 
| O59088 | Uncharacterized protein | Pyrococcus horikoshii | 
| Q8DW21 | Uncharacterized protein | Streptococcus mutans serotype c | 
| Q8DVV9 | Uncharacterized protein | Streptococcus mutans serotype c | 
| Q3F0V8 | Uncharacterized protein | Bacillus thuringiensis serovar israelensis ATCC 35646 | 
| Q94EG6 | Uncharacterized protein At5g02240 | Arabidopsis thaliana | 
| P44941 | Uncharacterized protein HI_0933 | Haemophilus influenzae | 
| P75063 | Uncharacterized protein MG039 homolog | Mycoplasma pneumoniae | 
| G5CQN7 | Uncharacterized protein mg662 | Megavirus chiliensis | 
| Q57564 | Uncharacterized protein MJ0100 | Methanocaldococcus jannaschii | 
| Q57912 | Uncharacterized protein MJ0488 | Methanocaldococcus jannaschii | 
| Q57913 | Uncharacterized protein MJ0489 | Methanocaldococcus jannaschii | 
| Q58622 | Uncharacterized protein MJ1225 | Methanocaldococcus jannaschii | 
| Q58830 | Uncharacterized protein MJ1435 | Methanocaldococcus jannaschii | 
| O26951 | Uncharacterized protein MTH_863 | Methanothermobacter thermautotrophicus | 
| P20581 | Uncharacterized protein PA1000 | Pseudomonas aeruginosa | 
| O59128 | Uncharacterized sugar kinase PH1459 | Pyrococcus horikoshii | 
| P77493 | Uncharacterized sugar kinase YdjH | Escherichia coli | 
| Q02440 | Unconventional myosin-Va | Gallus gallus | 
| F1RQI7 | Unconventional myosin-VI | Sus scrofa | 
| F9UMW3 | Universal stress protein | Lactobacillus plantarum | 
| P67091 | Universal stress protein F | Salmonella typhimurium | 
| Q5SJV7 | Universal stress protein family | Thermus thermophilus | 
| A0QYW6 | Universal stress protein family protein, putative | Mycobacterium smegmatis 155 | 
| Q57997 | Universal stress protein MJ0577 | Methanocaldococcus jannaschii | 
| P9WFD7 | Universal stress protein Rv2623 | Mycobacterium tuberculosis | 
| Q9WXM9 | UPF0166 protein TM_0021 | Thermotoga maritima | 
| O58022 | UPF0273 protein PH0284 | Pyrococcus horikoshii | 
| P70881 | Uracil phosphoribosyltransferase | Bacillus caldolyticus | 
| Q26998 | Uracil phosphoribosyltransferase | Toxoplasma gondii | 
| Q980Q4 | Uracil phosphoribosyltransferase | Sulfolobus solfataricus | 
| P12295 | Uracil-DNA glycosylase | Escherichia coli | 
| Q09066 | Urease accessory protein UreG | Helicobacter pylori | 
| P77555 | Ureidoglycolate dehydrogenase (NAD(+)) | Escherichia coli | 
| Q45697 | Uric acid degradation bifunctional protein | Bacillus sp. | 
| Q00511 | Uricase | Aspergillus flavus | 
| P11172 | Uridine 5'-monophosphate synthase | Homo sapiens | 
| Q5SKR5 | Uridine kinase | Thermus thermophilus | 
| P12758 | Uridine phosphorylase | Escherichia coli | 
| Q9K4U1 | Uridine phosphorylase | Vibrio cholerae | 
| Q16831 | Uridine phosphorylase 1 | Homo sapiens | 
| O95045 | Uridine phosphorylase 2 | Homo sapiens | 
| Q8U122 | Uridylate kinase | Pyrococcus furiosus | 
| Q97ZE2 | Uridylate kinase | Sulfolobus solfataricus | 
| Q81S73 | Uridylate kinase | Bacillus anthracis | 
| P9WHK5 | Uridylate kinase | Mycobacterium tuberculosis | 
| P25503 | Urocanate hydratase | Bacillus subtilis | 
| P00749 | Urokinase-type plasminogen activator | Homo sapiens | 
| Q7CRQ0 | Uronate dehydrogenase | Agrobacterium fabrum   | 
| P21631 | Uroporphyrinogen-III C-methyltransferase | Pseudomonas denitrificans | 
| O25363 | UTP-glucose-1-phosphate uridylyltransferase | Helicobacter pylori | 
| Q9M9P3 | UTP-glucose-1-phosphate uridylyltransferase 2 | Arabidopsis thaliana | 
| Q388T4 | UTP-glucose-1-phosphate uridylyltransferase 2, putative | Trypanosoma brucei brucei | 
| Q9RYW8 | UvrABC system protein A | Deinococcus radiodurans | 
| P37954 | UvrABC system protein B | Bacillus subtilis | 
| Q9Q2G8 | V-1 protease | Human immunodeficiency virus 1 | 
| Q9Q288 | V-1 PROTEASE protein | Human immunodeficiency virus 1 | 
| Q86WA6 | Valacyclovir hydrolase | Homo sapiens | 
| P96142 | Valine-tRNA ligase | Thermus thermophilus | 
| Q9HUR5 | Vanillate porin OpdK | Pseudomonas aeruginosa | 
| P56216 | Vanillyl-alcohol oxidase | Penicillium simplicissimum | 
| P17948 | Vascular endothelial growth factor receptor 1 | Homo sapiens | 
| P35968 | Vascular endothelial growth factor receptor 2 | Homo sapiens | 
| P49748 | Very long-chain specific acyl-CoA dehydrogenase, mitochondrial | Homo sapiens | 
| P18708 | Vesicle-fusing ATPase | Cricetulus griseus | 
| M9P0Q2 | VioF | Providencia alcalifaciens | 
| Q844J9 | Vip2Ac | Bacillus thuringiensis | 
| P26839 | Virginiamycin A acetyltransferase | Staphylococcus aureus | 
| Q859P9 | Virion DNA-directed RNA polymerase | Enterobacteria phage N4 | 
| P0DM80 | Virulence sensor histidine kinase PhoQ | Salmonella typhimurium | 
| P06611 | Vitamin B12 import ATP-binding protein BtuD | Escherichia coli | 
| O33839 | Vitamin B12-dependent ribonucleotide reductase | Thermotoga maritima | 
| Q6VVX0 | Vitamin D 25-hydroxylase | Homo sapiens | 
| P18326 | Vitamin D3 dihydroxylase | Streptomyces griseolus | 
| P11473 | Vitamin D3 receptor | Homo sapiens | 
| Q9PTN2 | Vitamin D3 receptor A | Danio rerio | 
| P02774 | Vitamin D-binding protein | Homo sapiens | 
| Q9C3Y6 | Vivid PAS protein VVD | Neurospora crassa | 
| P62483 | Voltage-gated potassium channel subunit beta-2 | Rattus norvegicus | 
| P40337 | Von Hippel-Lindau disease tumor suppressor | Homo sapiens | 
| O57728 | V-type ATP synthase alpha chain | Pyrococcus horikoshii | 
| Q74MJ7 | V-type ATP synthase alpha chain | Nanoarchaeum equitans | 
| Q60187 | V-type ATP synthase beta chain | Methanosarcina mazei | 
| Q9V2L3 | Walker-Type ATPase | Pyrococcus abyssi | 
| Q8KN66 | WbpP | Pseudomonas aeruginosa | 
| P30291 | Wee1-like protein kinase | Homo sapiens | 
| Q7BG50 | WsaF | Geobacillus stearothermophilus | 
| Q12KT8 | WxcM-like protein | Shewanella denitrificans | 
| Q44238 | Xaa-Pro dipeptidase | Alteromonas sp | 
| Q9A4Z9 | Xaa-Pro dipeptidase, putative | Caulobacter crescentus | 
| Q9AQS0 | Xanthan lyase | Bacillus sp. | 
| P22985 | Xanthine dehydrogenase/oxidase | Rattus norvegicus | 
| P42085 | Xanthine phosphoribosyltransferase | Bacillus subtilis | 
| Q88NF7 | XenA | Pseudomonas putida | 
| Q3ZDM6 | Xenobiotic reductase | Pseudomonas putida | 
| Q8GR61 | Xylitol dehydrogenase | Gluconobacter oxydans | 
| P24300 | Xylose isomerase | Streptomyces rubiginosus | 
| Q7NWW7 | Xylulokinase | Chromobacterium violaceum | 
| A1JTG0 | Yersiniabactin biosynthetic protein YbtU | Yersinia enterocolitica serotype O:8 / biotype 1B | 
| Q90282 | Zinc metalloproteinase-disintegrin-like VAP2B | Crotalus atrox |