title: On the purification of DNA-dependent RNA polymerase from E. coli: removal of an ATPase.
mesh_terms: D000251:Adenosine Triphosphatases / Q000302:isolation & purification*; D000255:Adenosine Triphosphate; D000645:Ammonium Sulfate; D002499:Centrifugation, Density Gradient; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D004247:DNA; D004586:Electrophoresis; D004590:Electrophoresis, Paper; D004789:Enzyme Activation; D004926:Escherichia coli / Q000201:enzymology*; D006160:Guanosine Triphosphate; D046911:Macromolecular Substances; D008970:Molecular Weight; D010759:Phosphorus Isotopes; D012316:RNA Nucleotidyltransferases / Q000302:isolation & purification*; D012967:Sodium Dodecyl Sulfate
chemical_list: D046911:Macromolecular Substances; D010759:Phosphorus Isotopes; D012967:Sodium Dodecyl Sulfate; D006160:Guanosine Triphosphate; D000255:Adenosine Triphosphate; D004247:DNA; D012316:RNA Nucleotidyltransferases; D000251:Adenosine Triphosphatases; D000645:Ammonium Sulfate