title: Sequence of a region near the left end of bacteriophage T3 DNA that contains three promoters for the E. coli RNA polymerase.
mesh_terms: D001483:Base Sequence; D004279:DNA, Viral / Q000235:genetics*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism; D004926:Escherichia coli / Q000235:genetics*; D005814:Genes, Viral; D011401:Promoter Regions, Genetic; D013604:T-Phages / Q000235:genetics*
chemical_list: D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases