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The new class of potent ATP-competitive inhibitors of the human protein kinase CK2 has been identified

The new class of potent ATP-competitive inhibitors of the human protein kinase CK2 has been identified

A novel series of substituted (thieno[2,3-d]pyrimidin-4-ylthio)carboxylic acids has been synthesized and tested in vitro towards human protein kinase CK2. 

It was revealed that the most active compounds inhibiting CK2 are 3-{[5-(4-methylphenyl)thieno[2,3-d]pyrimidin-4-yl]thio}propanoic acid and 3-{[5-(4-ethoxyphenyl)thieno[2,3-d]pyrimidin-4-yl]thio}propanoic acid (IC50 values are 0.1 M and 0.125 M, respectively). Structure-activity relationships of 28 tested thienopyrimidine derivatives have been studied and binding mode of this chemical class has been predicted. Evaluation of the inhibitors on seven protein kinases revealed considerable selectivity towards CK2.

Reference: Golub AG, Bdzhola VG, Briukhovetska NV, Balanda AO, Kukharenko OP, Kotey IM, Ostrynska OV, Yarmoluk SM. Synthesis and biological evaluation of substituted (thieno[2,3-d]pyrimidin-4-ylthio)carboxylic acids as inhibitors of human protein kinase CK2. Eur J Med Chem. 2011; 46(3):870-6. PubMed PMID: 21276643.

 
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