作者: JEAN M. HAMBROOK , BARRY A. MORGAN , MICHAEL J. RANCE , COLIN F. C. SMITH
DOI: 10.1038/262782A0
关键词: Rat brain 、 Endocrinology 、 Human plasma 、 Internal medicine 、 Agonist 、 Leucine-enkephalin 、 Chemistry 、 Opiate
摘要: SEVERAL groups of workers have recently demonstrated the existence naturally-occurring peptides which show agonist activity at opiate receptor1–4, and Hughes et al.5 shown that isolated by them is due to a mixture two H–Tyr–Gly–Gly–Phe–Met–OH H–Tyr–Gly–Gly–Phe–Leu–OH termed methionine-enkephalin leucine-enkephalin respectively.