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Congocidine (netropsin) is a pyrrole-amide (oligopyrrole, oligopeptide) antibiotic produced by Streptomyces ambofaciens. We have identified, in the right terminal region of the S. ambofaciens chromosome, the gene cluster that directs congocidine biosynthesis. Heterologous expression of the cluster and in-frame deletions of 8 of the 22 genes confirm the(More)
The pyrrolamides constitute a small family of secondary metabolites that are known for their ability to bind noncovalently to the DNA minor groove with some sequence specificity. To date, only a single pyrrolamide biosynthetic gene cluster has been reported, directing the synthesis of congocidine (netropsin) in Streptomyces ambofaciens. In this study, we(More)
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