title: Cation dependent conformations of brain CA2+-dependent regulator protein detected by nuclear magnetic resonance.
mesh_terms: D001665:Binding Sites; D001921:Brain; D002118:Calcium / Q000494:pharmacology; D002147:Calmodulin; D002352:Carrier Proteins; D008274:Magnesium / Q000494:pharmacology; D009682:Magnetic Resonance Spectroscopy; D011487:Protein Conformation / Q000187:drug effects; D014336:Troponin
chemical_list: D002147:Calmodulin; D002352:Carrier Proteins; D014336:Troponin; D008274:Magnesium; D002118:Calcium