Heterogeneity of E. coli RNA polymerase.

Adenosine Diphosphate/pharmacology Carbon Isotopes Centrifugation, Density Gradient DNA, Bacterial/metabolism DNA-Directed RNA Polymerases/antagonists & inhibitors,isolation & purification,metabolism Escherichia coli/enzymology Guanine Nucleotides/pharmacology Molecular Conformation Molecular Weight Peptide Elongation Factors Protein Binding RNA, Bacterial/biosynthesis RNA, Messenger/biosynthesis RNA, Ribosomal/biosynthesis Structure-Activity Relationship Templates, Genetic Transcription, Genetic Uracil Nucleotides/metabolism

Carbon Isotopes DNA, Bacterial Guanine Nucleotides Peptide Elongation Factors RNA, Bacterial RNA, Messenger RNA, Ribosomal Uracil Nucleotides Adenosine Diphosphate DNA-Directed RNA Polymerases