WS79089A, B and C, new endothelin converting enzyme inhibitors isolated from Streptosporangium roseum. No. 79089. Taxonomy, fermentation, isolation, physico-chemical properties and biological activities.

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Biological and pharmacological properties of highly selective new endothelin converting enzyme inhibitor WS79089B isolated from Streptosporangium roseum No. 79089.

WS79089B a highly specific endothelin converting enzyme (ECE) inhibitor has been isolated from the fermentation broth of Streptosporangium roseum No. 79089. WS79089B showed highly selective ECE inhibition activity with IC50 value of 0.14 microM and behaved as a competitive inhibitor of ECE, with Ki values of 8.9 x 10(-8) M. The sodium salt of WS79089B (FR901533) inhibited big endothelin-1 (big ...

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ژورنال

عنوان ژورنال: The Journal of Antibiotics

سال: 1994

ISSN: 0021-8820,1881-1469

DOI: 10.7164/antibiotics.47.619