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Keywords:

  • amides;
  • focused libraries;
  • inhibitors;
  • protein tyrosine phosphatases;
  • tuberculosis
Thumbnail image of graphical abstract

Focused on Mtb: A facile hydroxyindole carboxylic acid based focused amide library was designed to target both the PTP active site and a unique nearby pocket for enhanced affinity and selectivity. HTS of the library led to the identification of a highly potent and selective inhibitor, 11 a, of mPTPB, an essential virulence factor for Mycobacterium tuberculosis. Compound 11 a shows high cellular activity and is capable of reversing the altered immune responses induced by mPTPB in macrophages.