title: Crystal and molecular structure of 2-thio-5 carboxymethyluridine and its methyl ester: helix terminator nucleosides in the first position of some anticodons.
mesh_terms: D000926:Anticodon; D003460:Crystallization; D006860:Hydrogen Bonding; D008958:Models, Molecular; D008968:Molecular Conformation; D009705:Nucleosides; D010649:Phenylalanine; D012343:RNA, Transfer; D013816:Thermodynamics; D013891:Thiouridine / Q000031:analogs & derivatives*
chemical_list: D000926:Anticodon; D009705:Nucleosides; D013891:Thiouridine; D010649:Phenylalanine; D012343:RNA, Transfer