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Angiotensin I-Converting Enzyme Inhibitors in Autolysates of Squid Liver and Mantle Muscle
Author(s) -
Yutaka Wako,
Satoru Ishikawa,
Koji Muramoto
Publication year - 1996
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.60.1353
Subject(s) - autolysis (biology) , mantle (geology) , inhibitory postsynaptic potential , enzyme , chemistry , biochemistry , renin–angiotensin system , angiotensin converting enzyme , ic50 , squid , biology , endocrinology , in vitro , fishery , paleontology , blood pressure
Autolysis of squid liver and mantle muscle homogenates, and blends of both, each yielded inhibitory activity toward the angiotensin I-converting enzyme. The inhibitory activity and the amount of solubilized protein in each of these autolysates were examined over a period of 24 h. Inhibitory peptides were isolated from the mixed autolysate, their structures (IC50) being Tyr-Ala-Leu-Pro-His-Ala (9.8 microM) and Gly-Tyr-Ala-Leu-Pro-His-Ala (27.3 microM).

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