title: Angular alteration of the DNA helix by E. coli RNA polymerase.
mesh_terms: D001665:Binding Sites; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D003090:Coliphages; D004270:DNA, Circular / Q000378:metabolism; D004279:DNA, Viral / Q000032:analysis / Q000378:metabolism*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology; D009690:Nucleic Acid Conformation; D013698:Templates, Genetic; D014158:Transcription, Genetic; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D004270:DNA, Circular; D004279:DNA, Viral; D014316:Tritium; D012321:DNA-Directed RNA Polymerases