title: Structure and orientation of an RNA polymerase operon in Escherichia coli.
mesh_terms: D001120:Arginine; D001426:Bacterial Proteins / Q000302:isolation & purification; D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003433:Crosses, Genetic; D012321:DNA-Directed RNA Polymerases / Q000096:biosynthesis*; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli / Q000201:enzymology*; D005111:Extrachromosomal Inheritance; D005796:Genes; D005809:Genes, Regulator; D008040:Genetic Linkage; D005838:Genotype; D009154:Mutation; D009876:Operon; D010641:Phenotype; D012329:RNA, Bacterial; D012333:RNA, Messenger; D011995:Recombination, Genetic; D014316:Tritium
chemical_list: D001426:Bacterial Proteins; D012329:RNA, Bacterial; D012333:RNA, Messenger; D014316:Tritium; D001120:Arginine; D012321:DNA-Directed RNA Polymerases