Sauvagine is a protein that functions as a neuropeptide. It is 40 amino acids in length, and has sequence XGPPISIDLSLELLRKMIEIEKQEKEKQQAANNRLLLDTI-NH2, with a pyrrolidone carboxylic acid modification at the N-terminal and amidation of the C-terminal isoleucine residue. It was originally isolated from the skin of the frog Phyllomedusa sauvagei, but has been hypothesised to be produced endogenously by mammals, as it produces similar physiological effects to endogenous neuropeptides such as corticotropin-releasing hormone.
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- Brown MR, Fisher LA, Spiess J, Rivier J, Rivier C, Vale W (July 1982). "Comparison of the biologic actions of corticotropin-releasing factor and sauvagine". Regulatory Peptides. 4 (2): 107–14. doi:10.1016/0167-0115(82)90101-X. PMID 6289384.
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