Komiyama K, Okada K, Oka H, Tomisaka S, Miyano T, Funayama S, Umezawa I
J Antibiot (Tokyo). 1985 Feb;38(2):220-9. doi: 10.7164/antibiotics.38.220.
The structure of a new antitumor antibiotic, kazusamycin produced by Streptomyces sp. No. 81-484, was determined on the basis of its spectral and chemical properties. Kazusamycin has a structure characteristic of an unsaturated, branched-chain fatty acid with a terminal delta-lactone ring.