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Current Pharmaceutical Design


ISSN (Print): 1381-6128
ISSN (Online): 1873-4286

Strategies for the Design of Potent and Selective Kinase Inhibitors

Author(s): Campbell McInnes and Peter M. Fischer

Volume 11 , Issue 14 , 2005

Page: [1845 - 1863] Pages: 19

DOI: 10.2174/1381612053764850

Price: $65


The characterisation of the human kinome in recent years has resulted in the emergence of numerous kinase drug targets in a variety of therapeutic areas. Through the elucidation of the sequence and structural composition of kinase active sites, coupled with the solution of numerous ATP competitive ligand complex structures, significant advances have been made in developing inhibitors that are highly selective. This has shown to be the case not only for kinases that are divergent in primary structure, but also for isoforms with highly conserved structure and ATP binding sites. Here we review the methods employed in the generation of selective inhibitors and describe several successful examples of the design of highly potent and selective kinase ATP competitive ligands. We also describe examples where an alternate approach to selectivity was used. These include the use of small molecules to sequester kinases in inactive conformations, and to block phospho-transferase activity by preventing substrate docking and recruitment. Substrate recruitment sites are promising from a structure based design perspective as they contain features unique to individual protein kinases.

Keywords: protein kinase, x-ray crystal structure, phosphotransferase activity, atp binding, isoleucine, flavopiridol, amino-thiazole inhibitors, glycogen synthase kinase, phosphorylation, cns diseases

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