title: Application of joint neutron and x-ray refinement to the investigation of the structure of ribonuclease A at 2.0-A resolution.
mesh_terms: D003461:Crystallography / Q000379:methods; D005583:Fourier Analysis; D008958:Models, Molecular; D009502:Neutrons; D011487:Protein Conformation; D012259:Ribonuclease, Pancreatic; D012542:Scattering, Radiation; D014961:X-Ray Diffraction / Q000379:methods
chemical_list: D012259:Ribonuclease, Pancreatic