title: Initial steps in the large-scale purification of Escherichia coli deoxyribonucleic acid-dependent ribonucleic acid polymerase.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D000645:Ammonium Sulfate; D002848:Chromatography, DEAE-Cellulose; D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases / Q000302:isolation & purification* / Q000378:metabolism; D003851:Deoxyribonucleases; D004926:Escherichia coli / Q000201:enzymology*; D009154:Mutation; D009994:Osmolar Concentration; D010761:Phosphorus Radioisotopes; D011189:Potassium Chloride; D013056:Spectrophotometry, Ultraviolet; D013698:Templates, Genetic
chemical_list: D004279:DNA, Viral; D010761:Phosphorus Radioisotopes; D011189:Potassium Chloride; D000255:Adenosine Triphosphate; D012321:DNA-Directed RNA Polymerases; D003851:Deoxyribonucleases; D000645:Ammonium Sulfate