Discovery and optimization of selective inhibitors of protein arginine methyltransferase 5 by docking-based virtual screening
作者:Yan Ye、Bidong Zhang、Ruifeng Mao、Chenhua Zhang、Yulan Wang、Jing Xing、Yu-Chih Liu、Xiaomin Luo、Hong Ding、Yaxi Yang、Bing Zhou、Hualiang Jiang、Kaixian Chen、Cheng Luo、Mingyue Zheng
DOI:10.1039/c7ob00070g
日期:——
Protein arginine methyltransferase 5 (PRMT5) is a type II PRMT enzyme critical for diverse cellular processes and different types of cancers. Many efforts have been made to discover novel scaffold PRMT5 inhibitors. Herein, we report the discovery of DC_P33 as a hit compound of PRMT5 inhibitor, identified by molecular docking based virtual screening and 3H-labeled radioactive methylation assays. Structure–activity
蛋白质精氨酸甲基转移酶5(PRMT5)是II型PRMT酶,对多种细胞进程和不同类型的癌症至关重要。为了发现新颖的支架PRMT5抑制剂已经做出了许多努力。在本文中,我们报告了DC_P33作为PRMT5抑制剂的命中化合物的发现,通过基于分子对接的虚拟筛选和3 H标记的放射性甲基化测定法进行了鉴定。对DC_P33的类似物进行了结构活性关系(SAR)分析,然后进行了结构修饰以提高其活性。在衍生物中,化合物DC_C01的IC 50值为2.8μM,对PRMT1,EZH2和DNMT3A的选择性很好。此外,DC_C01表现出针对Z-138,Maver-1和Jeko-1癌细胞的抗增殖活性,其EC 50值分别为12μM,12μM和10.5μM 。综上所述,这些结果有助于开发针对PRMT5的特异性抑制剂和癌症疗法。