Aplysia peptide A

being referred to also as: Atrial A. This neuroactive peptide (AVKLSSDGNYPFDLSKEDGAQPYFMTPRLRFYPIamide) has been isolated from the atrial gland in the reproductive tract of the sea hare Aplysia californica (Heller et al, 1980). A related peptide, Aplysia peptide B (Atrial B), differs from A in only four positions within the first nine residues, with residues 10-34 of B being identical to those of A.

Both peptides have been shown to be able to induce egg-laying behaviour in recipient animals (see also: egg-laying hormone). Both peptides also trigger long-lasting discharges in the bag cell neurons that produce egg-laying hormone, suggesting that both ... ... ... ...
 
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Entry last modified: November 2013