Structure-Based Design, Synthesis, and Biological Evaluation of Highly Selective and Potent G Protein-Coupled Receptor Kinase 2 Inhibitors
作者:Helen V. Waldschmidt、Kristoff T. Homan、Osvaldo Cruz-Rodríguez、Marilyn C. Cato、Jessica Waninger-Saroni、Kelly M. Larimore、Alessandro Cannavo、Jianliang Song、Joseph Y. Cheung、Paul D. Kirchhoff、Walter J. Koch、John J. G. Tesmer、Scott D. Larsen
DOI:10.1021/acs.jmedchem.5b02000
日期:2016.4.28
G protein-coupled receptors (GPCRs) are central to many physiological processes. Regulation of this superfamily of receptors is controlled by GPCR kinases (GRKs), some of which have been implicated in heart failure. GSK180736A, developed as a Rho-associated coiled-coil kinase 1 (ROCK1) inhibitor, was identified as an inhibitor of GRK2 and co-crystallized in the active site. Guided by its binding pose
G 蛋白偶联受体 (GPCR) 是许多生理过程的核心。这种受体超家族的调节由 GPCR 激酶 (GRK) 控制,其中一些与心力衰竭有关。GSK180736A 是作为 Rho 相关卷曲螺旋激酶 1 (ROCK1) 抑制剂开发的,被鉴定为 GRK2 抑制剂并在活性位点共结晶。在其结合姿势与已知强效 GRK2 抑制剂 Takeda103A 的结合姿势重叠的指导下,开发了一个混合抑制剂库。与其他 GRK 亚家族、PKA 和 ROCK1 相比,该活动产生了几种对 GRK2 具有高效力和选择性的化合物。最具选择性的化合物12n (CCG-224406) 具有 IC 50对于 130 nM 的 GRK2,比其他 GRK 亚家族的选择性高 700 倍以上,并且没有检测到 ROCK1 的抑制作用。四种新抑制剂与 GRK2 一起结晶,以从分子角度深入了解此类抑制剂的结合和激酶选择性。