Targeting the von Hippel–Lindau E3 Ubiquitin Ligase Using Small Molecules To Disrupt the VHL/HIF-1α Interaction
作者:Dennis L. Buckley、Inge Van Molle、Peter C. Gareiss、Hyun Seop Tae、Julien Michel、Devin J. Noblin、William L. Jorgensen、Alessio Ciulli、Craig M. Crews
DOI:10.1021/ja209924v
日期:2012.3.14
E3 ubiquitin ligases, which bind protein targets, leading to their ubiquitination and subsequent degradation, are attractive drug targets due to their exquisite substrate specificity. However, the development of small-molecule inhibitors has proven extraordinarily challenging as modulation of E3 ligase activities requires the targeting of protein–protein interactions. Using rational design, we have
E3 泛素连接酶结合蛋白质靶标,导致其泛素化和随后的降解,由于其出色的底物特异性,是有吸引力的药物靶标。然而,小分子抑制剂的开发已证明极具挑战性,因为调节 E3 连接酶活性需要靶向蛋白质-蛋白质相互作用。通过合理的设计,我们生成了第一个靶向 von Hippel-Lindau 蛋白 (VHL) 的小分子,VHL 是 E3 连接酶的底物识别亚基,也是癌症、慢性贫血和缺血的重要靶点。我们还获得了与我们最有效的抑制剂结合的 VHL 的晶体结构,证实该化合物模拟了转录因子 HIF-1α(VHL 的底物)的结合模式。