title: An assay method of brain enzyme carving beta-endorphin into methionine enkephalin.
mesh_terms: D000818:Animals; D001921:Brain / Q000201:enzymology*; D004723:Endorphins / Q000096:biosynthesis* / Q000378:metabolism*; D004745:Enkephalins / Q000096:biosynthesis*; D010447:Peptide Hydrolases / Q000378:metabolism*; D011863:Radioimmunoassay / Q000379:methods; D051381:Rats
chemical_list: D004723:Endorphins; D004745:Enkephalins; D010447:Peptide Hydrolases