title: Polyribosomes of the histidine operon in Salmonella typhimurium.
mesh_terms: D002499:Centrifugation, Density Gradient; D002850:Chromatography, Gel; D004794:Enzyme Repression; D006639:Histidine / Q000096:biosynthesis*; D008967:Molecular Biology; D009154:Mutation; D010744:Phosphoric Monoester Hydrolases / Q000032:analysis; D012270:Ribosomes / Q000201:enzymology*; D012486:Salmonella typhimurium / Q000201:enzymology*
chemical_list: D006639:Histidine; D010744:Phosphoric Monoester Hydrolases