title: Nuclear magnetic resonance titration curves of histidine ring protons. IV. The effects of phosphate and sulfate on ribonuclease.
mesh_terms: D000818:Animals; D001665:Binding Sites; D002417:Cattle; D003903:Deuterium; D005612:Freeze Drying; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D007093:Imidazoles; D009682:Magnetic Resonance Spectroscopy; D009994:Osmolar Concentration; D010179:Pancreas / Q000201:enzymology; D010710:Phosphates; D011522:Protons; D012260:Ribonucleases; D012964:Sodium; D013431:Sulfates
chemical_list: D007093:Imidazoles; D010710:Phosphates; D011522:Protons; D013431:Sulfates; D006639:Histidine; D012964:Sodium; D003903:Deuterium; D012260:Ribonucleases