Novel complex crystal structure of prolyl hydroxylase domain-containing protein 2 (PHD2): 2,8-Diazaspiro[4.5]decan-1-ones as potent, orally bioavailable PHD2 inhibitors
作者:Guanghui Deng、Baowei Zhao、Yingli Ma、Qiongfeng Xu、Hailong Wang、Liuqing Yang、Qing Zhang、Taylor B. Guo、Wei Zhang、Yang Jiao、Xin Cai、Jinqiang Zhang、Houfu Liu、Xiaoming Guan、Hongtao Lu、Jianing Xiang、John D. Elliott、Xichen Lin、Feng Ren
DOI:10.1016/j.bmc.2013.08.046
日期:2013.11
enzyme with its inhibitor, the 2,8-diazaspiro[4.5]decan-1-one analogue 4b. The widely reported salt bridge between Arg383 of the enzyme and its inhibitors in all complex structures published thus far was not observed in our case. In our complex structure compound 4b forms several novel interactions with the enzyme, which include a hydrogen bond with Arg322, a π-cation interaction with Arg322, a π–π stacking
我们发现了PHD2酶及其抑制剂2,8-二氮杂螺[4.5] decan-1-one类似物4b的新型复杂晶体结构。迄今为止,在我们的案例中未观察到广泛报道的酶Arg383及其抑制剂在所有复杂结构中的盐桥。在我们的复杂结构中,化合物4b与酶形成了几种新颖的相互作用,包括与Arg322的氢键,与Arg322的π阳离子相互作用,与Trp389的π-π堆积以及与His313的π-π堆积。在结构信息的指导下,对2,8-二氮杂螺[4.5] decan-1-one系列进行了SAR研究,从而发现了具有高效力和良好口服药代动力学特征的化合物9p。