title: Letter: Paramagnetic rare earth ion probes of transfer ribonucleic acid structure.
mesh_terms: D000595:Amino Acid Sequence; D001665:Binding Sites; D002614:Chelating Agents; D007811:Lanthanum; D009682:Magnetic Resonance Spectroscopy; D008956:Models, Chemical; D011522:Protons; D012343:RNA, Transfer
chemical_list: D002614:Chelating Agents; D011522:Protons; D007811:Lanthanum; D012343:RNA, Transfer