title: beta-Endorphin biotransformation in brain: formation of gamma-endorphin by a synaptosomal plasma membrane associated endopeptidase distinct from cathepsin D.
mesh_terms: D000818:Animals; D001921:Brain / Q000201:enzymology*; D002403:Cathepsins / Q000378:metabolism*; D002851:Chromatography, High Pressure Liquid; D010450:Endopeptidases / Q000378:metabolism*; D004723:Endorphins / Q000378:metabolism*; D010446:Peptide Fragments / Q000032:analysis; D051381:Rats; D013574:Synaptosomes / Q000378:metabolism*
chemical_list: D004723:Endorphins; D010446:Peptide Fragments; D002403:Cathepsins; D010450:Endopeptidases