Abstract
Two peptide fragments of oxytocin were isolated by high-pressure liquid chromatography from digests of oxytocin obtained after exposure to a SPM preparation of the rat limbic brain. The structures of these peptides, being Gln-Asn-Cys(O)x-Pro-Leu-GlyNH2 and Gln-Asn-Cys(-S-S-Cys)-Pro-Leu-GlyNH2, were assessed by quantitative amino acid analysis, combined with the determination of N-terminal end
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