title: Calcium- and magnesium-dependent conformational states of calmodulin as determined by nuclear magnetic resonance.
mesh_terms: D000818:Animals; D001923:Brain Chemistry; D002118:Calcium; D002135:Calcium-Binding Proteins; D002147:Calmodulin; D002417:Cattle; D008274:Magnesium; D009682:Magnetic Resonance Spectroscopy; D011485:Protein Binding; D011487:Protein Conformation
chemical_list: D002135:Calcium-Binding Proteins; D002147:Calmodulin; D008274:Magnesium; D002118:Calcium