期刊
CHEMISTRY & BIOLOGY
卷 11, 期 4, 页码 525-534出版社
CELL PRESS
DOI: 10.1016/j.chembiol.2004.03.022
关键词
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A number of selective inhibitors of the CDK4/cyclin D1 complex have been reported recently. Due to the absence of an experimental CDK4 structure, the ligand and protein determinants contributing to CDK4 selectivity are poorly understood at present. Here, we report the use of computational methods to elucidate the characteristics of selectivity and to derive the structural basis for specific, high-affinity binding of inhibitors to the CDK4 active site. From these data, the hypothesis emerged that appropriate incorporation of an ionizable function into a CDK2 inhibitor results in more favorable binding to CDK4. This knowledge was applied to the design of compounds in the otherwise CDK2-selective 2-anilino-4-(thiazol-5-yl)pyrimidine pharmacophore that are potent and highly selective ATP antagonists of CDK4/cyclin D1. The findings of this study also have significant implications in the design of CDK4 mimic structures based on CDK2.
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