MANUMYCIN-E, MANUMYCIN-F AND MANUMYCIN-G, NEW MEMBERS OF MANUMYCIN CLASS ANTIBIOTICS, FROM STREPTOMYCES SP

被引:21
作者
SHU, YZ [1 ]
HUANG, S [1 ]
WANG, RR [1 ]
LAM, KS [1 ]
KLOHR, SE [1 ]
VOLK, KJ [1 ]
PIRNIK, DM [1 ]
WELLS, JS [1 ]
FERNANDES, PB [1 ]
PATEL, PS [1 ]
机构
[1] BRISTOL MYERS SQUIBB PHARMACEUT RES INST,PRINCETON,NJ 08543
关键词
D O I
10.7164/antibiotics.47.324
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
Three new manumycin class antibiotics, namely manumycins E, F and G, were isolated from the culture broth of Streptomyces sp. strain WB-8376. Their structures were established by spectroscopic methods, and the S configuration of C-4 in the epoxycyclohexenone moiety was determined by CD exciton chirality method for each of the three compounds. Manumycins E, F and G are active against Gram-positive bacteria, and have moderate inhibitory effects on the farnesylation of p21 ras protein. They demonstrated weak cytotoxic activity against human colon tumor cell HCT-116.
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页码:324 / 333
页数:10
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