title: An investigation of the copper ion environments of azurin and spinach plastocyanin by 1H N.M.R. spectroscopy.
mesh_terms: D001400:Azurin; D001426:Bacterial Proteins; D001665:Binding Sites; D003300:Copper; D003545:Cysteine; D006639:Histidine; D009682:Magnetic Resonance Spectroscopy; D010940:Plant Proteins; D010970:Plastocyanin
chemical_list: D001426:Bacterial Proteins; D010940:Plant Proteins; D001400:Azurin; D006639:Histidine; D003300:Copper; D010970:Plastocyanin; D003545:Cysteine