title: 13C-NMR studies on tertiary structures of E. coli tRNAs with 13C-labeling method.
mesh_terms: D002247:Carbon Isotopes; D004926:Escherichia coli / Q000032:analysis*; D046911:Macromolecular Substances; D009682:Magnetic Resonance Spectroscopy; D009154:Mutation; D009690:Nucleic Acid Conformation; D012343:RNA, Transfer
chemical_list: D002247:Carbon Isotopes; D046911:Macromolecular Substances; D012343:RNA, Transfer