title: Translation and polarity in the histidine operon. IV. Relation of polarity to map position in hisC.
mesh_terms: D002874:Chromosome Mapping; D003429:Cross Reactions; D005827:Genetics, Microbial; D006639:Histidine; D007106:Immune Sera; D005779:Immunodiffusion; D009154:Mutation; D009876:Operon; D011233:Precipitin Tests; D012483:Salmonella Phages / Q000276:immunology; D012486:Salmonella typhimurium; D000637:Transaminases
chemical_list: D007106:Immune Sera; D006639:Histidine; D000637:Transaminases