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Structures and actions of Mytilus inhibitory peptides
T Hirata1, I Kubota, N Iwasawa
1Faculty of Integrated Arts and Sciences, Hiroshima University, Japan.
Biochemical and Biophysical Research Communications
|May 16, 1988
Abstract:
Two congeneric peptides that inhibit contraction of the anterior byssus retractor muscle of Mytilus edulis were isolated from the pedal ganglia of the mussel. Their structures were determined to be H-Gly-Ser-Pro-Met-Phe-Val-NH2 and H-Gly-Ala-Pro-Met-Phe-Val-NH2. These hexapeptides also showed inhibitory action on contractions in several other molluscan muscles, such as the cardiac muscle of Meretrix lusoria and the penis retractor muscle of Achatina fulica.