title: Polarity in the gua operon of Escherichia coli K 12.
mesh_terms: D004926:Escherichia coli; D005827:Genetics, Microbial; D005779:Immunodiffusion; D007658:Ketone Oxidoreductases; D009154:Mutation; D009876:Operon
chemical_list: D007658:Ketone Oxidoreductases