title: Carbon-13 nuclear magnetic resonance titration shifts in amino acids.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D002247:Carbon Isotopes; D003201:Computers; D004579:Electron Transport; D004735:Energy Transfer; D006863:Hydrogen-Ion Concentration; D009682:Magnetic Resonance Spectroscopy; D008956:Models, Chemical
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes