title: Internal promoter of the tryptophan operon of Escherichia coli is located in a structural gene.
mesh_terms: D002869:Chromosome Aberrations; D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D004926:Escherichia coli / Q000201:enzymology; D005796:Genes; D005815:Genetic Code; D009154:Mutation; D009876:Operon; D010452:Peptide Biosynthesis; D014166:Transferases; D014364:Tryptophan; D014367:Tryptophan Synthase
chemical_list: D014364:Tryptophan; D014166:Transferases; D014367:Tryptophan Synthase