title: A new form of RNA polymerase isolated from Escherichia coli.
mesh_terms: D001120:Arginine; D002460:Cell Line; D002848:Chromatography, DEAE-Cellulose; D003090:Coliphages; D004269:DNA, Bacterial; D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases / Q000037:antagonists & inhibitors / Q000302:isolation & purification* / Q000378:metabolism / Q000494:pharmacology; D004926:Escherichia coli / Q000201:enzymology* / Q000378:metabolism; D008274:Magnesium / Q000378:metabolism*; D008345:Manganese / Q000378:metabolism; D009154:Mutation; D013268:Stimulation, Chemical; D013698:Templates, Genetic; D014316:Tritium; D014364:Tryptophan
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D014316:Tritium; D008345:Manganese; D014364:Tryptophan; D001120:Arginine; D012321:DNA-Directed RNA Polymerases; D008274:Magnesium