Autoregulation of gene expression.
D001419:Bacteria / Q000201:enzymology / Q000378:metabolism; D004790:Enzyme Induction; D004794:Enzyme Repression; D005809:Genes, Regulator; D006639:Histidine / Q000096:biosynthesis / Q000378:metabolism; D007532:Isoleucine / Q000096:biosynthesis; D008954:Models, Biological; D008967:Molecular Biology; D009154:Mutation; D014364:Tryptophan / Q000096:biosynthesis; D014633:Valine / Q000096:biosynthesis
D007532:Isoleucine; D006639:Histidine; D014364:Tryptophan; D014633:Valine