Orita M, Yasumuro K, Kokubo K, Shimizu M, Abe K, Tokunaga T, Kaniwa H
Molecular Chemistry Research Lab, Yamanouchi Pharmaceutical Co, Ltd, Ibaraki, Japan.
J Antibiot (Tokyo). 1995 Dec;48(12):1430-4. doi: 10.7164/antibiotics.48.1430.
YM-47141 and YM-47142 are new elastase inhibitor produced by Flexibacter sp. Q17897. These structures were elucidated by MS and NMR spectral analysis. YM-47141 and YM-47142 were the cyclic peptides containing tricarbonyl moiety hydrated on the center carbonyl carbon in DMSO-d6.