PROBESTIN, A NEW INHIBITOR OF AMINOPEPTIDASE-M, PRODUCED BY STREPTOMYCES-AZUREUS MH663-2F6 .1. TAXONOMY, PRODUCTION, ISOLATION, PHYSICOCHEMICAL PROPERTIES AND BIOLOGICAL-ACTIVITIES

被引:69
作者
AOYAGI, T
YOSHIDA, S
NAKAMURA, Y
SHIGIHARA, Y
HAMADA, M
TAKEUCHI, T
机构
[1] Institute of Microbial Chemistry, Tokyo 141, 3-14-23 Kamiosaki, Sinagawa-ku
关键词
D O I
10.7164/antibiotics.43.143
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Probestin has been isolated as part of a program designed to find microorganism-produced inhibitors of aminopeptidase M from Streptomyces azureus MH663-2F6. It was purified by use of column chromatography of Amberlite XAD-4, silica gel, YMC-gel, Toyopearl HW-40, YMC D-ODS-5 (HPLC) and then isolated as colorless powders. Probestin is competitive with the substrate, and the inhibition constant (Ki) of it was 1.9 × 10-8M. © 1990, JAPAN ANTIBIOTICS RESEARCH ASSOCIATION. All rights reserved.
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页码:143 / 148
页数:6
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