title: A simplified procedure for large scale preparation of purified animal DNA-dependent RNA polymerase.
mesh_terms: D000327:Adsorption; D000645:Ammonium Sulfate; D000818:Animals; D002417:Cattle; D002499:Centrifugation, Density Gradient; D002848:Chromatography, DEAE-Cellulose; D002850:Chromatography, Gel; D004247:DNA; D012321:DNA-Directed RNA Polymerases / Q000302:isolation & purification*; D004591:Electrophoresis, Polyacrylamide Gel; D008722:Methods; D013950:Thymus Gland / Q000201:enzymology
chemical_list: D004247:DNA; D012321:DNA-Directed RNA Polymerases; D000645:Ammonium Sulfate