UGA and non-triplet suppressor reading of the genetic code.

Adenine Nucleotides/analysis Base Sequence Chromosome Mapping DNA, Bacterial/analysis Genetic Code Guanine Nucleotides/analysis Histidine/metabolism Lactose/metabolism Mutation Protein Biosynthesis RNA, Messenger/analysis,biosynthesis RNA, Transfer/biosynthesis Ribonucleotides/analysis Salmonella typhimurium/enzymology Suppression, Genetic Transcription, Genetic Transduction, Genetic Tryptophan/metabolism Uracil Nucleotides/analysis tRNA Methyltransferases/biosynthesis

Adenine Nucleotides DNA, Bacterial Guanine Nucleotides RNA, Messenger Ribonucleotides Uracil Nucleotides Histidine Tryptophan RNA, Transfer tRNA Methyltransferases Lactose