Medical Dictionary

ansamycin

noun an·sa·my·cin \ ˌan-sə-ˈmī-sᵊn \

medical Definition of ansamycin

:any of several antibiotics (such as the rifamycins and streptovaricins) that are derived from actinomycetes and share a chemical structure in which nonadjacent positions on an aromatic ring are connected by an aliphatic chain
  • The structural complexity of rifamycin and other ansamycins has made biosynthetic manipulation an attractive route for the generation of pharmacologically useful analogs.
  • —Kenji Watanabe et al.Proceedings of the National Academy of Sciences19 Aug. 2003

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