title: Dual specificity of su+ 7 tRNA. Evidence for translational discrimination.
mesh_terms: D004926:Escherichia coli / Q000201:enzymology / Q000235:genetics* / Q000378:metabolism; D005975:Glutamate-tRNA Ligase / Q000378:metabolism; D005973:Glutamine / Q000378:metabolism; D009154:Mutation; D014176:Protein Biosynthesis; D012343:RNA, Transfer / Q000096:biosynthesis*; D013489:Suppression, Genetic; D014364:Tryptophan / Q000378:metabolism; D014369:Tryptophan-tRNA Ligase / Q000378:metabolism
chemical_list: D005973:Glutamine; D014364:Tryptophan; D012343:RNA, Transfer; D005975:Glutamate-tRNA Ligase; D014369:Tryptophan-tRNA Ligase