title: Correlation of exchangeable (NH) and nonexchangeable (C2H) histidine resonances in the proton NMR spectrum of ribonuclease A in aqueous solution.
mesh_terms: D000595:Amino Acid Sequence; D006639:Histidine; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D011522:Protons; D012260:Ribonucleases; D012996:Solutions
chemical_list: D011522:Protons; D012996:Solutions; D006639:Histidine; D012260:Ribonucleases