title: 1H and 13C NMR studies of conformational behaviour of Leu-enkephalin.
mesh_terms: D002247:Carbon Isotopes; D007930:Leucine; D009682:Magnetic Resonance Spectroscopy; D009842:Oligopeptides; D011487:Protein Conformation
chemical_list: D002247:Carbon Isotopes; D009842:Oligopeptides; D007930:Leucine