4.5 Article

Antagonists of inhibitor of apoptosis proteins based on thiazole amide isosteres

Journal

BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 20, Issue 7, Pages 2229-2233

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2010.02.021

Keywords

IAP antagonist; Peptidomimetic; Protein-protein interaction

Funding

  1. Genentech Discovery Chemistry
  2. Department of Energy
  3. Office of Biological and Environmental Research
  4. National Institutes of Health
  5. National Center for Research Resources
  6. Biomedical Technology Program
  7. National Institute of General Medical Sciences
  8. US Department of Energy [DE-AC0-205CH11231]

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A series of IAP antagonists based on thiazole or benzothiazole amide isosteres was designed and synthesized. These compounds were tested for binding to the XIAP-BIR3 and ML-IAP BIR using a fluorescence polarization assay. The most potent of these compounds, 19a and 33b, were found to have K(i)'s of 20-30 nM against ML-IAP and 50-60 nM against XIAP-BIR3. (C) 2010 Elsevier Ltd. All rights reserved.

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