Novel agmatine dipeptide inhibitors against the West Nile virus NS2B/NS3 protease: A P3 and N-cap optimization study
作者:Huichang Annie Lim、Melgious Jin Yan Ang、Joma Joy、Anders Poulsen、Wenshi Wu、Shi Chie Ching、Jeffrey Hill、Cheng San Brian Chia
DOI:10.1016/j.ejmech.2012.12.043
日期:2013.4
and inhibitory activities of thirty-seven novel C-terminal agmatine dipeptides used as screening compounds to study the structure–activity relationship between active-site peptidomimetics and the West Nile virus (WNV) NS2B/NS3 serine protease. Our efforts lead to the discovery of a novel agmatine dipeptide inhibitor (compound 33, IC50 2.6 ± 0.3 μM) with improved inhibitory activity in comparison to
本交流描述了37种新型C末端胍丁胺二肽的合成和抑制活性,这些二肽用作筛选化合物以研究活性部位拟肽与西尼罗河病毒(WNV)NS2B / NS3丝氨酸蛋白酶之间的构效关系。我们的努力导致发现了一种新型胍丁胺二肽抑制剂(化合物33,IC 50 2.6±0.3μM),与我们最近的报告中所述的最有效的抑制剂相比,其抑制活性得到了改善[IC 504.7±1.2μM; Lim等,欧洲。J. Med。化学 46(2011)3130-3134]。此外,我们的研究清除了围绕先前X射线共结晶研究的争论,并清除了有关活性位点肽醛所采用的结合构象的酶抑制报告。我们的数据应为未来针对WNV感染的拟肽类抗病毒药的设计提供有价值的见解。