title: Transfer RNA and the control of the histidine operon.
mesh_terms: D002845:Chromatography; D002874:Chromosome Mapping; D004794:Enzyme Repression; D005796:Genes; D005809:Genes, Regulator; D006639:Histidine / Q000096:biosynthesis* / Q000378:metabolism; D008025:Ligases / Q000378:metabolism*; D008954:Models, Biological; D009154:Mutation; D012343:RNA, Transfer; D011995:Recombination, Genetic; D012486:Salmonella typhimurium / Q000378:metabolism*
chemical_list: D006639:Histidine; D012343:RNA, Transfer; D008025:Ligases