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Discovery of a 2,4-diamino-7-aminoalkoxyquinazoline as a potent and selective inhibitor of histone lysine methyltransferase G9a

  • 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

Research output: Contribution to journalArticlepeer-review

227 Scopus citations

Abstract

SAR exploration of the 2,4-diamino-6,7-dimethoxyquinazoline template led to the discovery of 8 (UNC0224) as a 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.

Original languageEnglish
Pages (from-to)7950-7953
Number of pages4
JournalJournal of Medicinal Chemistry
Volume52
Issue number24
DOIs
StatePublished - 24 Dec 2009
Externally publishedYes

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