title: Electron microscopic analysis of the interaction of Escherichia coli RNA polymerase with alkylated T7 DNA.
mesh_terms: D000478:Alkylation; D001665:Binding Sites; D004279:DNA, Viral / Q000378:metabolism*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D004926:Escherichia coli / Q000378:metabolism*; D008854:Microscopy, Electron; D013604:T-Phages / Q000378:metabolism
chemical_list: D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases