title: A new electron microscopic method for studying protein-nucleic acid interactions.
mesh_terms: D003090:Coliphages; D004279:DNA, Viral / Q000032:analysis; D012321:DNA-Directed RNA Polymerases / Q000032:analysis; D004926:Escherichia coli / Q000201:enzymology; D008854:Microscopy, Electron / Q000379:methods; D009690:Nucleic Acid Conformation; D011485:Protein Binding; D011487:Protein Conformation
chemical_list: D004279:DNA, Viral; D012321:DNA-Directed RNA Polymerases