title: Isolation of human met-enkephalin and two groups of putative precursors (2K-pro-met-enkephalin) from an adrenal medullary tumour.
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000032:analysis*; D000313:Adrenal Medulla / Q000032:analysis*; D000596:Amino Acids / Q000032:analysis; D002850:Chromatography, Gel; D002851:Chromatography, High Pressure Liquid; D010450:Endopeptidases; D004723:Endorphins / Q000302:isolation & purification*; D004744:Enkephalin, Methionine; D004745:Enkephalins / Q000302:isolation & purification*; D006801:Humans; D008970:Molecular Weight; D011498:Protein Precursors / Q000302:isolation & purification*
chemical_list: D000596:Amino Acids; D004723:Endorphins; D004745:Enkephalins; D011498:Protein Precursors; C026402:pro-Met-enkephalin; D004744:Enkephalin, Methionine; D010450:Endopeptidases