Comparison of the nucleotide sequences of the initial transcribed regions of the tryptophan operons of Escherichia coli and Salmonella typhimurium.
D001483:Base Sequence; D004269:DNA, Bacterial; D004586:Electrophoresis; D004926:Escherichia coli / Q000235:genetics*; D009876:Operon; D012486:Salmonella typhimurium / Q000235:genetics*; D014158:Transcription, Genetic; D014364:Tryptophan
D004269:DNA, Bacterial; D014364:Tryptophan