Galanin

Galanin is a neuropeptide found both in the central and peripheral nervous system. The 29-amino acid peptide (named after its N-terminal glycine and C-terminal alanine) was identified in 1983 by its C-terminal amidation. This ''reverse'' approach, that is to discover a substance through a distinct chemical feature, and only subsequently to characterize its biological activity, was novel and has be...