The identification of novel p38α isoform selective kinase inhibitors having an unprecedented p38α binding mode

  • Stephen T. Wrobleski
  • , Shuqun Lin
  • , T. G. Murali Dhar
  • , Alaric J. Dyckman
  • , Tianle Li
  • , Sidney Pitt
  • , Rosemary Zhang
  • , Yi Fan
  • , Arthur M. Doweyko
  • , John S. Tokarski
  • , Kevin F. Kish
  • , Susan E. Kiefer
  • , John S. Sack
  • , John A. Newitt
  • , Mark R. Witmer
  • , Murray McKinnon
  • , Joel C. Barrish
  • , John H. Dodd
  • , Gary L. Schieven
  • , Katerina Leftheris

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

A novel series of p38 MAP kinase inhibitors with high selectivity for the p38α isoform over the other family members including the highly homologous p38β isoform has been identified. X-ray co-crystallographic studies have revealed an unprecedented kinase binding mode in p38α for representative analogs, 5c and 9d, in which a Leu108/Met109 peptide flip occurs within the p38α hinge region. Based on these findings, a general strategy for the rational design of additional promising p38α isoform selective inhibitors by targeting this novel binding mode is proposed.

Original languageEnglish (US)
Pages (from-to)4120-4126
Number of pages7
JournalBioorganic and Medicinal Chemistry Letters
Volume23
Issue number14
DOIs
StatePublished - Jul 15 2013

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Molecular Medicine
  • Molecular Biology
  • Pharmaceutical Science
  • Drug Discovery
  • Clinical Biochemistry
  • Organic Chemistry

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