Inhibition of Human Neutrophil Elastase. 4. Design, Synthesis, X-ray Crystallographic Analysis, and Structure−Activity Relationships for a Series of P<sub>2</sub>-Modified, Orally Active Peptidyl Pentafluoroethyl Ketones
作者:Robert J. Cregge、Sherrie L. Durham、Robert A. Farr、Steven L. Gallion、C. Michelle Hare、Robert V. Hoffman、Michael J. Janusz、Hwa-Ok Kim、Jack R. Koehl、Shujaath Mehdi、William A. Metz、Norton P. Peet、John T. Pelton、Herman A. Schreuder、Shyam Sunder、Chantal Tardif
DOI:10.1021/jm970812e
日期:1998.7.1
A series of P2-modified, orally active peptidic inhibitors of human neutrophil elastase (HNE) are reported. These pentafluoroethyl ketone-based inhibitors were designed using pentafluoroethyl ketone 1 as a model. Rational structural modifications were made at the P3, P2, and activating group (AG) portions of 1 based on structure-activity relationships (SAR) developed from in vitro (measured Ki) data
报道了一系列人嗜中性粒细胞弹性蛋白酶(HNE)的P2修饰的口服活性肽抑制剂。这些五氟乙基酮类抑制剂是以五氟乙基酮1为模型设计的。根据从体外(测量的Ki)数据和建模研究提供的信息开发的结构-活性关系(SAR),在1的P3,P2和激活基团(AG)部分进行了合理的结构修饰,将抑制剂1插入了肽1中。 HNE的活动站点。X射线晶体学分析证实了1与猪胰弹性蛋白酶(PPE)之间的复合物以及随后的1与HNE之间的复合物,从而证实了基于模型的设计。