title: Terbium (III) emission as a probe of calcium(II) binding sites in proteins.
mesh_terms: D001665:Binding Sites; D002118:Calcium; D004735:Energy Transfer; D011485:Protein Binding; D011506:Proteins; D013725:Terbium
chemical_list: D011506:Proteins; D013725:Terbium; D002118:Calcium