title: Different template specificities of phage T3 and T7 RNA polymerases.
mesh_terms: D003090:Coliphages / Q000201:enzymology*; D004279:DNA, Viral; D004586:Electrophoresis; D004926:Escherichia coli / Q000201:enzymology; D005815:Genetic Code; D005827:Genetics, Microbial; D006493:Heparin / Q000494:pharmacology; D012316:RNA Nucleotidyltransferases / Q000037:antagonists & inhibitors; D012293:Rifampin / Q000494:pharmacology; D013698:Templates, Genetic; D014316:Tritium
chemical_list: D004279:DNA, Viral; D014316:Tritium; D006493:Heparin; D012316:RNA Nucleotidyltransferases; D012293:Rifampin