title: 1H nuclear magnetic resonance study of the histidine residues of insulin.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002417:Cattle; D006196:Hagfishes; D006639:Histidine / Q000032:analysis*; D006801:Humans; D007328:Insulin; D009682:Magnetic Resonance Spectroscopy; D015032:Zinc
chemical_list: D007328:Insulin; D006639:Histidine; D015032:Zinc