title: Electron microscopic determination of the preferential binding sites of Escherichia coli RNA polymerase to phi X174 replicative form DNA.
mesh_terms: D010584:Bacteriophage phi X 174; D001665:Binding Sites; D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology*; D008854:Microscopy, Electron
chemical_list: D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases