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chemical structure of guadinomine B

Guadinomines are anti-infective compounds produced by Streptomyces sp. K01-0509.[1] Guadinomine B is the most potent known inhibitor of the Type III secretion system (TTSS) of Gram-negative bacteria. The guadinomine (gdn) biosynthetic gene cluster includes 26 open reading frames spanning 51.2 kb. Streptomyces sp. K01-0509 produces several derivatives named guadinomines A, B, C1, C2, D, and guadinomic acid.[2]


  1. ^ . doi:10.1038/ja.2008.32.  Missing or empty |title= (help)
  2. ^ Holmes, T. C.; May, A. E.; Zaleta-Rivera, K.; Ruby, J. G.; Skewes-Cox, P.; Fischbach, M. A.; Derisi, J. L.; Iwatsuki, M.; Ōmura, S.; Khosla, C. (2012). "Molecular Insights into the Biosynthesis of Guadinomine: A Type III Secretion System Inhibitor". Journal of the American Chemical Society. 134 (42): 17797–17806. PMC 3483642Freely accessible. PMID 23030602. doi:10.1021/ja308622d.