title: Isolation and structure of dynorphin, an opioid peptide, from porcine duodenum.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D002268:Carboxypeptidases; D043422:Carboxypeptidases A; D002851:Chromatography, High Pressure Liquid; D004386:Duodenum / Q000032:analysis*; D004399:Dynorphins; D004723:Endorphins / Q000302:isolation & purification*; D010446:Peptide Fragments / Q000032:analysis; D013552:Swine; D014357:Trypsin
chemical_list: D004723:Endorphins; D010446:Peptide Fragments; D004399:Dynorphins; D002268:Carboxypeptidases; D043422:Carboxypeptidases A; D014357:Trypsin