title: Nuclear magnetic resonance titration curves of histidine ring protons. I. Influence of neighboring charged groups.
mesh_terms: D000085:Acetates / Q000138:chemical synthesis; D003903:Deuterium; D006639:Histidine / Q000138:chemical synthesis; D006863:Hydrogen-Ion Concentration; D007093:Imidazoles; D009682:Magnetic Resonance Spectroscopy; D000432:Methanol; D008956:Models, Chemical; D008961:Models, Structural
chemical_list: D000085:Acetates; D007093:Imidazoles; D006639:Histidine; D003903:Deuterium; D000432:Methanol