title: Quantitative determination of amino acid racemization in heat--alkali-treated melanotropins: implications for peptide hormone structure--function studies.
mesh_terms: D000596:Amino Acids; D000818:Animals; D002849:Chromatography, Gas; D002850:Chromatography, Gel; D006358:Hot Temperature; D006863:Hydrogen-Ion Concentration; D007536:Isomerism; D009074:Melanocyte-Stimulating Hormones / Q000031:analogs & derivatives*; D013329:Structure-Activity Relationship; D000521:alpha-MSH / Q000031:analogs & derivatives*
chemical_list: D000596:Amino Acids; D000521:alpha-MSH; C024146:MSH, 4-Nle-alpha-; C024147:MSH, beta, Nle(7)-; D009074:Melanocyte-Stimulating Hormones