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  • Title: Zelkovamycin, a new cyclic peptide antibiotic from Streptomyces sp. K96-0670. II. Structure elucidation.
    Author: Tabata N, Tomoda H, Zhang H, Uchida R, Omura S.
    Journal: J Antibiot (Tokyo); 1999 Jan; 52(1):34-9. PubMed ID: 10092195.
    Abstract:
    The structure of antibiotic zelkovamycin was elucidated as a cyclic peptide comprising glycyl, 2-aminobutanoyl, 2-amino-2-butenoyl, N-methyl glycyl, alanyl, 1,3-thiazoyl, 7-methoxytryptophanyl and 2-methyldehydrothreonyl residues. The sequence of the amino acids was established by spectroscopic studies including 1H-1H COSY, 13C-1H COSY, 13C-1H HMQC, 13C-1H HMBC, 15N-1H HMQC and 15N-1H HMBC NMR experiments.
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