An undecapeptide which potentiates the beat of the ventricle in the African giant snail, Achatina fulica Ferussac, was purified from the atria of the snail. Its primary structure was determined to be H-Ser-Gly-Gln-Ser-Trp-Arg-Pro-Gln-Gly-Arg-Phe-NH2. This peptide was found to have excitatory actions not only on the ventricle but also on the penis retractor muscle, the buccal muscle and the identified neurons controlling the buccal muscle movement of Achatina.

译文

从蜗牛的心房中纯化了一种增强非洲巨型蜗牛Achatina fulica Ferussac心室搏动的十一肽。它的一级结构被确定为H-Ser-Gly-Gln-Ser-Trp-Arg-Pro-Gln-Gly-Arg-Phe-NH2。发现该肽不仅对心室具有兴奋作用,而且对阴茎牵开器肌肉,颊肌和控制Achatina颊肌运动的已识别神经元具有兴奋作用。

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