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ACS Chem Biol. 2015 Jan 16;10(1):175-89. doi: 10.1021/cb5008376. Epub 2014 Dec 23.

Small molecule substrate phosphorylation site inhibitors of protein kinases: approaches and challenges.

Author information

1
Department of Medicinal Chemistry and ‡Department of Chemistry, University of Michigan , 930 N. University Avenue, Ann Arbor, Michigan 48109, United States.

Abstract

Protein kinases are important mediators of cellular communication and attractive drug targets for many diseases. Although success has been achieved with developing ATP-competitive kinase inhibitors, the disadvantages of ATP-competitive inhibitors have led to increased interest in targeting sites outside of the ATP binding pocket. Kinase inhibitors with substrate-competitive, ATP-noncompetitive binding modes are promising due to the possibility of increased selectivity and better agreement between biochemical and in vitro potency. However, the difficulty of identifying these types of inhibitors has resulted in significantly fewer small molecule substrate phosphorylation site inhibitors being reported compared to ATP-competitive inhibitors. This review surveys reported substrate phosphorylation site inhibitors and methods that can be applied to the discovery of such inhibitors, including a discussion of the challenges inherent to these screening methods.

PMID:
25494294
PMCID:
PMC4301090
DOI:
10.1021/cb5008376
[Indexed for MEDLINE]
Free PMC Article

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