title: [A simple preparative method for the isolation of E. coli RNA polymerase].
mesh_terms: D002852:Chromatography, Ion Exchange; D012321:DNA-Directed RNA Polymerases / Q000302:isolation & purification*; D004926:Escherichia coli / Q000201:enzymology*; D011092:Polyethylene Glycols
chemical_list: D011092:Polyethylene Glycols; D012321:DNA-Directed RNA Polymerases
vernacular_title: Uproshchennyĭ preparativnyĭ metod vydeleniia RNK-polimerazy iz E. coli