title: Heteroduplex analysis of regulatory mutations and of insertions (IS1, IS2, IS5) in the bipolar argECBH operon of Escherichia coli.
mesh_terms: D001120:Arginine / Q000378:metabolism*; D004269:DNA, Bacterial; D004926:Escherichia coli / Q000235:genetics; D005796:Genes; D005809:Genes, Regulator; D009154:Mutation; D009876:Operon; D010641:Phenotype; D011995:Recombination, Genetic; D014158:Transcription, Genetic
chemical_list: D004269:DNA, Bacterial; D001120:Arginine