title: Duplicate genes for tyrosine transfer RNA in Escherichia coli.
mesh_terms: D003090:Coliphages; D004279:DNA, Viral; D004586:Electrophoresis; D004926:Escherichia coli; D008962:Models, Theoretical; D009154:Mutation; D009711:Nucleotides / Q000032:analysis; D012343:RNA, Transfer; D013489:Suppression, Genetic; D014161:Transduction, Genetic; D014443:Tyrosine
chemical_list: D004279:DNA, Viral; D009711:Nucleotides; D014443:Tyrosine; D012343:RNA, Transfer