title: Genetic studies of class 2 nonsense suppressors in Escherichia coli.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages; D004926:Escherichia coli; D005815:Genetic Code; D005973:Glutamine; D007930:Leucine; D009154:Mutation; D010443:Peptide Chain Termination, Translational; D014176:Protein Biosynthesis; D012329:RNA, Bacterial; D012343:RNA, Transfer; D013489:Suppression, Genetic; D014161:Transduction, Genetic; D014443:Tyrosine
chemical_list: D012329:RNA, Bacterial; D005973:Glutamine; D014443:Tyrosine; D012343:RNA, Transfer; D007930:Leucine