Biosynthesis of the antitumor antibiotic sparsomycin
RJ Parry, Y Li, EE Gomez
Index: Parry; Li; Gomez Journal of the American Chemical Society, 1992 , vol. 114, # 15 p. 5946 - 5959
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Citation Number: 29
Abstract
Abstract: The biosynthesis of the antitumor antibiotic sparsomycin (1) has been investigated by administration of isotopically labeled precursors to Streptomyces sparsogenes var. sparsogenes. These studies indicated that the dithioacetal moiety (2) of sparsomycin is derived from L-cysteine via the intermediacy of S-methylcysteine and S-(methylthiomethyl) cysteine, with reduction of the carboxyl group of S-(methylthiomethy1) cysteine preceding ...
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