title: Sodium ion binding to parvalbumin studied by 23Na NMR: a reply.
mesh_terms: D001665:Binding Sites; D001667:Binding, Competitive; D002118:Calcium; D004533:Egtazic Acid; D009682:Magnetic Resonance Spectroscopy; D009124:Muscle Proteins; D010320:Parvalbumins; D011485:Protein Binding; D012964:Sodium
chemical_list: D009124:Muscle Proteins; D010320:Parvalbumins; D004533:Egtazic Acid; D012964:Sodium; D002118:Calcium