Benzoylbenzimidazole-based selective inhibitors targeting Cryptosporidium parvum and Toxoplasma gondii calcium-dependent protein kinase-1
作者:Zhongsheng Zhang、Kayode K. Ojo、Steven M. Johnson、Eric T. Larson、Penqing He、Jennifer A. Geiger、Alejandro Castellanos-Gonzalez、A. Clinton White、Marilyn Parsons、Ethan A. Merritt、Dustin J. Maly、Christophe L.M.J. Verlinde、Wesley C. Van Voorhis、Erkang Fan
DOI:10.1016/j.bmcl.2012.06.050
日期:2012.8
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. (c) 2012 Elsevier Ltd. All rights reserved.