Asperterpenoid A, a new sesterterpenoid as an inhibitor of Mycobacterium tuberculosis protein tyrosine phosphatase B from the culture of Aspergillus sp. 16-5c

Org Lett. 2013 Feb 15;15(4):721-3. doi: 10.1021/ol303549c. Epub 2013 Jan 29.

Abstract

Asperterpenoid A (1), a novel sesterterpenoid with a new carbon skeleton, has been isolated from a mangrove endophytic fungus Aspergillus sp. 16-5c. Its structure was characterized by extensive spectroscopic methods, and the absolute configuration was determined by single crystal X-ray diffraction analysis. Asperterpenoid A (1) exhibited strong inhibitory activity against Mycobacterium tuberculosis protein tyrosine phosphatase B (mPTPB) with an IC(50) value of 2.2 μM.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aspergillus / chemistry*
  • Crystallography, X-Ray
  • Inhibitory Concentration 50
  • Molecular Conformation
  • Molecular Structure
  • Mycobacterium tuberculosis / drug effects*
  • Mycobacterium tuberculosis / metabolism
  • Protein Tyrosine Phosphatase, Non-Receptor Type 1 / antagonists & inhibitors*
  • Sesquiterpenes
  • Sesterterpenes / chemistry
  • Sesterterpenes / isolation & purification*
  • Sesterterpenes / pharmacology*

Substances

  • Sesquiterpenes
  • Sesterterpenes
  • asperterpenoid A
  • Protein Tyrosine Phosphatase, Non-Receptor Type 1