title: The two operons of the histidine utilization system in Salmonella typhimurium.
mesh_terms: D000581:Amidohydrolases / Q000096:biosynthesis; D002876:Chromosomes, Bacterial; D004794:Enzyme Repression; D004926:Escherichia coli; D005111:Extrachromosomal Inheritance; D005559:Formamides; D005796:Genes; D005799:Genes, Dominant; D005809:Genes, Regulator; D005971:Glutamates; D006238:Haploidy; D006639:Histidine / Q000378:metabolism*; D007093:Imidazoles; D008190:Lyases / Q000096:biosynthesis; D008967:Molecular Biology; D009876:Operon; D011422:Propionates; D012486:Salmonella typhimurium / Q000378:metabolism*; D014161:Transduction, Genetic; D014512:Ureohydrolases / Q000096:biosynthesis
chemical_list: D005559:Formamides; D005971:Glutamates; D007093:Imidazoles; D011422:Propionates; D006639:Histidine; D000581:Amidohydrolases; D014512:Ureohydrolases; D008190:Lyases