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通过基于结构的虚拟筛选分离出的一类新型热休克蛋白90(Hsp90)抑制剂。

A novel class of Hsp90 inhibitors isolated by structure-based virtual screening.

作者信息

Park Hwangseo, Kim Yun-Jung, Hahn Ji-Sook

机构信息

Department of Bioscience and Biotechnology, Sejong University, 98 Kunja-dong, Gwangjin-gu, Seoul, Republic of Korea.

出版信息

Bioorg Med Chem Lett. 2007 Nov 15;17(22):6345-9. doi: 10.1016/j.bmcl.2007.08.069. Epub 2007 Sep 1.

DOI:10.1016/j.bmcl.2007.08.069
PMID:17869098
Abstract

A novel class of 3-phenyl-2-styryl-3H-quinazolin-4-one Hsp90 inhibitors with in vitro anti-tumor activity are identified by structure-based virtual screening of a chemical database with docking simulations in the N-terminal ATP-binding site, in vitro ATPase assay using yeast Hsp90, and cell-based Her2 degradation assay in a consecutive fashion. These results exemplify the usefulness of the structure-based virtual screening with molecular docking in drug discovery. The structural features responsible for a tight binding of the inhibitors in the active site of Hsp90 are discussed in detail.

摘要

通过基于结构的虚拟筛选化学数据库,并结合在N端ATP结合位点的对接模拟、使用酵母Hsp90的体外ATP酶测定以及基于细胞的Her2降解测定,连续鉴定出一类具有体外抗肿瘤活性的新型3-苯基-2-苯乙烯基-3H-喹唑啉-4-酮Hsp90抑制剂。这些结果例证了基于结构的虚拟筛选与分子对接在药物发现中的实用性。详细讨论了抑制剂在Hsp90活性位点紧密结合的结构特征。

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