Primary structure of two forms of gonadotropin-releasing hormone from brains of the American alligator (Alligator mississippiensis).

作者: D.A. Lovejoy , W.H. Fischer , D.B. Parker , J.E. McRory , M. Park

DOI: 10.1016/0167-0115(91)90206-V

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摘要: Two forms of gonadotropin-releasing hormone (GnRH) have been purified from brains the American alligator, Alligator mississippiensis, using reverse-phase high-pressure liquid chromatography (HPLC). The concentration total GnRH was 8.8 ng/g frozen brain tissue or 21.1 ng per brain. amino acid sequence each form determined automated Edman degradation. presence N-terminal pGlu residue established by digestion studies with bovine pyroglutamyl aminopeptidase and coelution synthetic native peptide. primary structure alligator I is pGlu-His-Trp-Ser-Tyr-Gly-Leu-Gln-Pro-Gly-NH2 II pGlu-His-Trp-Ser-His-Gly-Trp-Tyr-Pro-Gly-NH2.

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