title: 13C nuclear magnetic resonance studies of 85 percent 13C-enriched amino acids. Chemical shifts, coupling constants Jc-c, and conformation.
mesh_terms: D000596:Amino Acids / Q000032:analysis*; D002247:Carbon Isotopes; D004735:Energy Transfer; D006863:Hydrogen-Ion Concentration; D007553:Isotope Labeling; D009682:Magnetic Resonance Spectroscopy; D008722:Methods; D008968:Molecular Conformation
chemical_list: D000596:Amino Acids; D002247:Carbon Isotopes