ENDOTHELIN-BINDING INHIBITORS, BE-18257A AND BE-18257B .2. STRUCTURE DETERMINATION

被引:21
作者
NAKAJIMA, S [1 ]
NIIYAMA, K [1 ]
IHARA, M [1 ]
KOJIRI, K [1 ]
SUDA, H [1 ]
机构
[1] BANYU PHARMACEUT CO LTD,EXPLORATORY RES LABS,MEGURO KU,TOKYO 153,JAPAN
关键词
D O I
10.7164/antibiotics.44.1348
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
The structures of novel endothelin-binding inhibitors, BE-18257A and BE-18257B, were elucidated by spectral analyses and chemical studies. Both inhibitors were found to have a cyclic pentapeptide structure containing three D-form amino acid residues, namely, the structures of BE-18257A and BE-18257B were elucidated to be cyclo(-D-Glu-L-Ala-D-Val-L-Leu-D-Trp-) and cyclo(-D-Glu-L-Ala-allo-D-Ile-L-LeU-D-Trp-), respectively.
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页码:1348 / 1356
页数:9
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