Biosynthesis of the lipophilic side chain in the cyclic hexadepsipeptide antibiotic IC101.

J Nat Prod

Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-0061, Japan.

Published: December 2002

Antibiotic IC101 is a cyclic hexadepsipeptide having a C(15) lipophilic side chain. The side chain was shown to be synthesized in Streptomyces from acetate, propionate, and 3-methylbutyrate derived from leucine. Thus, the terminal isopentyl structure came from leucine and not from the mevalonate pathway.

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http://dx.doi.org/10.1021/np0202069DOI Listing

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