title: RNA polymerase synthesis in vitro directed by T7 phage DNA.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D001435:Bacteriophages / Q000187:drug effects*; D004254:DNA Nucleotidyltransferases / Q000096:biosynthesis*; D003609:Dactinomycin / Q000494:pharmacology; D012293:Rifampin / Q000494:pharmacology*; D014316:Tritium
chemical_list: D000900:Anti-Bacterial Agents; D014316:Tritium; D003609:Dactinomycin; D004254:DNA Nucleotidyltransferases; D012293:Rifampin