Discovery of a Potent Dual Inhibitor of Wild-Type and Mutant Respiratory Syncytial Virus Fusion Proteins
作者:Toru Yamaguchi-Sasaki、Seiken Tokura、Yuya Ogata、Takanori Kawaguchi、Yutaka Sugaya、Ryo Takahashi、Kanako Iwakiri、Tomoko Abe-Kumasaka、Ippei Yoshida、Kaho Arikawa、Hiroyuki Sugiyama、Kosuke Kanuma
DOI:10.1021/acsmedchemlett.0c00008
日期:2020.6.11
A novel series of macrocyclic pyrazolo[1,5-a]pyrimidine derivatives as respiratory syncytial virus (RSV) fusion glycoprotein (F protein) inhibitors were designed and synthesized based on docking studies of acyclic inhibitors. This effort resulted in the discovery of several macrocyclic compounds, such as 12b, 12f, and 12h, with low nanomolar to subnanomolar activities against the wild-type RSV F protein
基于无环抑制剂的对接研究,设计合成了一系列新的大环吡唑并[1,5- a ]嘧啶衍生物作为呼吸道合胞病毒(RSV)融合糖蛋白(F蛋白)抑制剂。这项工作导致发现了一些对野生型RSV F蛋白A2具有低纳摩尔至亚纳摩尔活性的大环化合物,例如12b,12f和12h。此外,在12h时对先前报道的耐药突变体D486N表现出了一位数的纳摩尔浓度。分子建模和计算分析表明12h结合到D486N突变体,同时通过大环化维持刚性的生物活性构象,并使用12h的新相互作用表面与突变体的疏水腔相互作用。该报告描述了对野生型和突变型RSV F蛋白具有双重抑制活性的大环化合物的合理设计。