title: beta-Endorphin inhibits met-enkephalin breakdown by a brain aminopeptidase: structure-activity relationships.
mesh_terms: D000626:Aminopeptidases / Q000378:metabolism*; D000818:Animals; D001665:Binding Sites; D001921:Brain / Q000201:enzymology*; D004723:Endorphins / Q000378:metabolism* / Q000494:pharmacology*; D004744:Enkephalin, Methionine; D004745:Enkephalins / Q000378:metabolism*; D007700:Kinetics; D051381:Rats; D013329:Structure-Activity Relationship; D001615:beta-Endorphin
chemical_list: D004723:Endorphins; D004745:Enkephalins; D004744:Enkephalin, Methionine; D001615:beta-Endorphin; D000626:Aminopeptidases