title: Specificity of RNA chain initiation by bacteriophage T7-induced RNA polymerase.
mesh_terms: D001483:Base Sequence; D003090:Coliphages / Q000201:enzymology*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004790:Enzyme Induction; D004926:Escherichia coli / Q000201:enzymology*; D012367:RNA, Viral / Q000096:biosynthesis; D013698:Templates, Genetic; D014158:Transcription, Genetic
chemical_list: D012367:RNA, Viral; D012321:DNA-Directed RNA Polymerases