title: Nuclear magnetic resonance studies of the microscopic protonation of L-cysteine.
mesh_terms: D003545:Cysteine; D004735:Energy Transfer; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D008433:Mathematics; D008832:Microchemistry; D011199:Potentiometry; D011522:Protons; D013438:Sulfhydryl Compounds
chemical_list: D011522:Protons; D013438:Sulfhydryl Compounds; D003545:Cysteine