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首页> 外文期刊>The Journal of Antibiotics: An International Journal >Bingchamides A and B, two novel cyclic pentapeptides from the Streptomyces bingchenggensis: fermentation, isolation, structure elucidation and biological properties.
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Bingchamides A and B, two novel cyclic pentapeptides from the Streptomyces bingchenggensis: fermentation, isolation, structure elucidation and biological properties.

机译:Bingchamides A和B,两个来自炳城链霉菌的新型环状五肽:发酵,分离,结构解析和生物学特性。

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摘要

Two novel cyclic pentapeptides, bingchamides A (1) and B (2), have been isolated from the organic extracts of the mycelium of Streptomyces bingchenggensis. The structures of 1 and 2 were elucidated on the basis of extensive 1D and 2D NMR, as well as HRESI-MS, electrospray ionization-MS, UV and IR spectroscopic data analysis. Bingchamides A (1) and B (2) exhibited in vitro cytotoxicity toward human colon carcinoma cell line HCT-116 with the IC(50) values of 14.1 and 18.0 microg ml(-1), respectively. The bingchamides A (1) and B (2) scaffolds are probably promising structures for the development of new antitumor agents.
机译:两种新的五环肽,bingchamides A(1)和B(2),已从bingchenggensis链霉菌菌丝体的有机提取物中分离出来。在广泛的1D和2D NMR以及HRESI-MS,电喷雾电离MS,UV和IR光谱数据分析的基础上阐明了1和2的结构。 Bingchamides A(1)和B(2)对人结肠癌细胞系HCT-116表现出体外细胞毒性,IC(50)值分别为14.1和18.0 microg ml(-1)。 bingchamides A(1)和B(2)支架可能是开发新抗肿瘤药物的有前途的结构。

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