title: A new method of large scale preparation of highly purified DNA-dependent RNA-polymerase from E. coli.
mesh_terms: D002501:Centrifugation, Zonal; D011232:Chemical Precipitation; D002848:Chromatography, DEAE-Cellulose; D004269:DNA, Bacterial; D004926:Escherichia coli / Q000201:enzymology*; D008722:Methods; D012316:RNA Nucleotidyltransferases / Q000302:isolation & purification*; D012329:RNA, Bacterial; D013057:Spectrum Analysis
chemical_list: D004269:DNA, Bacterial; D012329:RNA, Bacterial; D012316:RNA Nucleotidyltransferases