title: Mutant tyrosine transfer ribonucleic acids.
mesh_terms: D003090:Coliphages; D004926:Escherichia coli; D005815:Genetic Code; D008025:Ligases; D009154:Mutation; D009711:Nucleotides / Q000032:analysis; D012343:RNA, Transfer; D012270:Ribosomes / Q000378:metabolism; D013489:Suppression, Genetic; D014443:Tyrosine
chemical_list: D009711:Nucleotides; D014443:Tyrosine; D012343:RNA, Transfer; D008025:Ligases