title: Crystallographic studies of calmodulin.
mesh_terms: D000818:Animals; D002135:Calcium-Binding Proteins; D002147:Calmodulin; D008297:Male; D011487:Protein Conformation; D051381:Rats; D013737:Testis; D014961:X-Ray Diffraction
chemical_list: D002135:Calcium-Binding Proteins; D002147:Calmodulin