Inhibitor of CK2 kinase
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Inhibitor of CK2 kinase


4,5,6,7-Tetraiodo-1,3-dioxo-2-isoindolineacetic acid

 new CK2 inhibitor from OTAVAchemicals with IC50 = 0.3 mM



OTAVAchemicals catalog no.



Delivery time




5 mg

25 mg



≥ 95% by CHN analysis & 1H NMR


Ref.: Golub et al. Evaluation of 4,5,6,7-tetrahalogeno-1H-isoindole-1,3(2H)-diones as inhibitors of human protein kinase CK2. Biochimica et Biophysica Acta (2008), 1784, 143-149
Abstract: Protein kinase CK2 (Casein Kinase 2) is an extremely pleiotropic Ser/Thr kinase with high constitutive activity. The observation of CK2 deregulations in various pathological processes suggests that CK2 inhibitors may have a therapeutic value, particularly as anti-neoplastic and antiviral drugs. The 4,5,6,7-tetrahalogeno-1H-isoindole-1,3(2H)-diones as a novel potent class of CK2 inhibitors is presented. This class of inhibitors was identified by high-throughput docking of the OTAVAchemicals compound collection in the ATP-binding site of human CK2. The most active compounds are 2-(4,5,6,7-tetraiodo-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)propanoic acid and 2-(4,5,6,7-tetraiodo-1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl) acetic acid with IC50 values of 0.15 μM and 0.3 μM, respectively. These inhibitors are ATP-competitive and they only minimally inhibit the activities of protein kinases DYRK1a, MSK1, GSK3 and CDK5. Binding modes for the most active inhibitors are proposed.