title: DNA-dependent RNA polymerases: I) Factors affecting the activity of multiple forms separated from rat liver nuclei.
mesh_terms: D000818:Animals; D002466:Cell Nucleolus / Q000201:enzymology; D002467:Cell Nucleus / Q000201:enzymology*; D002852:Chromatography, Ion Exchange; D004247:DNA / Q000494:pharmacology; D012321:DNA-Directed RNA Polymerases / Q000302:isolation & purification / Q000378:metabolism*; D004789:Enzyme Activation; D008099:Liver / Q000201:enzymology*; D008274:Magnesium / Q000494:pharmacology; D008345:Manganese / Q000494:pharmacology; D051381:Rats; D012265:Ribonucleotides / Q000378:metabolism; D012995:Solubility
chemical_list: D012265:Ribonucleotides; D008345:Manganese; D004247:DNA; D012321:DNA-Directed RNA Polymerases; D008274:Magnesium