Benzoylbenzimidazole-based selective inhibitors targeting Cryptosporidium parvum and Toxoplasma gondii calcium-dependent protein kinase-1.

Benzoylbenzimidazole-based selective inhibitors targeting Cryptosporidium parvum and Toxoplasma gondii calcium-dependent protein kinase-1.
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DOI:
10.1016/j.bmcl.2012.06.050
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发表时间:
2012-08-15
影响因子:
2.7
通讯作者:
Fan, Erkang
Fan, Erkang
中科院分区:
医学4区
文献类型:
--
作者:
Zhang, Zhongsheng;Ojo, Kayode K.;Johnson, Steven M.;Larson, Eric T.;He, Penqing;Geiger, Jennifer A.;Castellanos-Gonzalez, Alejandro;White, A. Clinton, Jr.;Parsons, Marilyn;Merritt, Ethan A.;Maly, Dustin J.;Verlinde, Christophe L. M. J.;Van Voorhis, Wesley C.;Fan, Erkang

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微小隐孢子虫(CpCDPK1)和弓形虫(TgCDPK1)的钙依赖蛋白激酶1(CDPK1)已成为寻找选择性抑制剂对抗这些原虫感染的有吸引力的靶点。我们利用基于结构的设计来改进一系列苯甲酰基苯并咪唑类化合物对CpCDPK1和TgCDPK1的溶解性、选择性和效力。最好的抑制剂显示出低于50 nM的抑制潜力和远高于两种人用少量守门人残基的200倍的选择性。
Calcium-dependent protein kinase-1 (CDPK1) from Cryptosporidium parvum (CpCDPK1) and Toxoplasma gondii (TgCDPK1) have become attractive targets for discovering selective inhibitors to combat infections caused by these protozoa. We used structure-based design to improve a series of benzoylbenzimidazole-based compounds in terms of solubility, selectivity, and potency against CpCDPK1 and TgCDPK1. The best inhibitors show inhibitory potencies below 50 nM and selectivity well above 200-fold over two human kinases with small gatekeeper residues.
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