title: Processive pyrophosphorolysis of RNA by Escherichia coli RNA polymerase.
mesh_terms: D001483:Base Sequence; D055598:Chemical Phenomena; D002621:Chemistry; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000378:metabolism*; D007700:Kinetics; D012313:RNA; D013379:Substrate Specificity
chemical_list: D012313:RNA; D012321:DNA-Directed RNA Polymerases