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  • Title: Conversion of triostins to quinomycins by protoplasts of Streptomyces echinatus.
    Author: Cornish A, Waring MJ, Nolan RD.
    Journal: J Antibiot (Tokyo); 1983 Dec; 36(12):1664-70. PubMed ID: 6662807.
    Abstract:
    Protoplasts of Streptomyces echinatus have been used to investigate the biosynthesis of echinomycin (quinomycin A). It has been shown that this organism has the capacity to convert a series of triostins to the corresponding quinomycins by a mechanism involving methylation. Evidence is presented which suggests that triostin A is the natural precursor of echinomycin. Conversion of tetra-N-demethyl analogues of triostin A to corresponding analogues of echinomycin was not detected.
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