Histone lysine methyltransferase structure activity relationships that allow for segregation of G9a inhibition and anti-Plasmodium activity
作者:Sandeep Sundriyal、Patty B. Chen、Alexandra S. Lubin、Gregor A. Lueg、Fengling Li、Andrew J. P. White、Nicholas A. Malmquist、Masoud Vedadi、Artur Scherf、Matthew J. Fuchter
DOI:10.1039/c7md00052a
日期:——
We identify key SAR features which demonstrate that high parasite vs. G9a selectivity can be achieved for the quinazoline inhibitor chemotype.
我们确定了关键的 SAR 特征,表明对于喹唑啉抑制剂化学类型,可以实现高寄生虫与 G9a 的选择性。
Protein Lysine Methyltransferase G9a Inhibitors: Design, Synthesis, and Structure Activity Relationships of 2,4-Diamino-7-aminoalkoxy-quinazolines.
作者:Feng Liu、Xin Chen、Abdellah Allali-Hassani、Amy M. Quinn、Tim J. Wigle、Gregory A. Wasney、Aiping Dong、Guillermo Senisterra、Irene Chau、Alena Siarheyeva、Jacqueline L. Norris、Dmitri B. Kireev、Ajit Jadhav、J. Martin Herold、William P. Janzen、Cheryl H. Arrowsmith、Stephen V. Frye、Peter J. Brown、Anton Simeonov、Masoud Vedadi、Jian Jin
DOI:10.1021/jm100478y
日期:2010.8.12
Protein lysine methyltransferase G9a, which catalyzes methylation of lysine 9 of histone H3 (H3K9) and lysine 373 (K373) of p53, is overexpressed in human cancers. Genetic knockdown of G9a inhibits cancer cell growth, and the dimethylation of p53 K373 results in the inactivation of p53. Initial SAR exploration of the 2,4-diamino-6,7-dimethoxyquinazoline template represented by 3a (BIX01294), a selective small molecule inhibitor of G9a and GLP, led to the discovery of 10 (UNC0224) as a potent G9a inhibitor with excellent selectivity. A high resolution X-ray crystal structure of the G9a-10 complex, the first cocrystal structure of G9a with a small molecule inhibitor, was obtained. On the basis of the structural insights revealed by this cocrystal structure, optimization of the 7-dimethylaminopropoxy side chain of 10 resulted in the discovery of 29 (UNC0321) (Morrison K(i) = 63 pM), which is the first G9a inhibitor with picomolar potency and the most potent G9a inhibitor to date.
Discovery of a 2,4-Diamino-7-aminoalkoxyquinazoline as a Potent and Selective Inhibitor of Histone Lysine Methyltransferase G9a
作者:Feng Liu、Xin Chen、Abdellah Allali-Hassani、Amy M. Quinn、Gregory A. Wasney、Aiping Dong、Dalia Barsyte、Ivona Kozieradzki、Guillermo Senisterra、Irene Chau、Alena Siarheyeva、Dmitri B. Kireev、Ajit Jadhav、J. Martin Herold、Stephen V. Frye、Cheryl H. Arrowsmith、Peter J. Brown、Anton Simeonov、Masoud Vedadi、Jian Jin
DOI:10.1021/jm901543m
日期:2009.12.24
SAR exploration of the 2,4-diamino-6,7-dimethoxyquinazoline template led to the discovery of 8 (UNC0224) as it potent and selective G9a inhibitor. A high resolution X-ray crystal structure of the G9a-8 complex, the first cocrystal structure of G9a with a small molecule inhibitor, was obtained. The cocrystal structure validated our binding hypothesis and will enable structure-based design of novel inhibitors. 8 is a useful tool for investigating the biology of G9a and its roles in chromatin remodeling.
Discovery of Potent and Selective Inhibitors for G9a-Like Protein (GLP) Lysine Methyltransferase
作者:Yan Xiong、Fengling Li、Nicolas Babault、Aiping Dong、Hong Zeng、Hong Wu、Xin Chen、Cheryl H. Arrowsmith、Peter J. Brown、Jing Liu、Masoud Vedadi、Jian Jin
DOI:10.1021/acs.jmedchem.6b01645
日期:2017.3.9
and G9a are highly homologous protein lysinemethyltransferases (PKMTs) sharing approximately 80% sequence identity in their catalytic domains. GLP and G9a form a heterodimer complex and catalyze mono- and dimethylation of histone H3 lysine 9 and nonhistone substrates. Although they are closely related, GLP and G9a possess distinct physiological and pathophysiological functions. Thus, GLP or G9a selective