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. 1969 Nov;100(2):977–984. doi: 10.1128/jb.100.2.977-984.1969

Biosynthesis of the Actinomycin Chromophore: Incorporation of 3-Hydroxy-4-Methylanthranilic Acid into Actinomycins by Streptomyces antibioticus

Ellis E Golub a,1, Martha A Ward a, Jonathan S Nishimura a,2
PMCID: PMC250184  PMID: 4187701

Abstract

Actinomycin synthesis by washed mycelia of Streptomyces antibioticus has been conducted in the presence of 3-hydroxy-4-methylanthranilate-(carboxyl-14C). Incorporation of this compound into actinomycins has been observed, which constitutes further evidence that 3-hydroxy-4-methylanthranilate is an intermediate in actinomycin biosynthesis. The position of the incorporated label has been determined to be within the actinomycin chromophore, and the label appears to be equally distributed between both halves of the chromophore. Incidental to these findings was the observation that the 14C-labeled actinomycins were subject to rapid reabsorption by the organism with actinomycin V taken up preferentially to actinomycin IV.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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