title: Sequential derepression and repression of the tryptophan operon in E. coli.
mesh_terms: D004926:Escherichia coli / Q000378:metabolism*; D005809:Genes, Regulator; D005815:Genetic Code; D005827:Genetics, Microbial; D007700:Kinetics; D008025:Ligases; D012316:RNA Nucleotidyltransferases / Q000378:metabolism; D012333:RNA, Messenger / Q000378:metabolism; D014364:Tryptophan / Q000096:biosynthesis*; D062367:ortho-Aminobenzoates
chemical_list: D012333:RNA, Messenger; D062367:ortho-Aminobenzoates; D014364:Tryptophan; D012316:RNA Nucleotidyltransferases; D008025:Ligases