title: Electron microscopy of colicinogenic plasmid E1 (Col E1) DNA.
mesh_terms: D003086:Bacteriocin Plasmids; D004269:DNA, Bacterial; D004926:Escherichia coli; D046911:Macromolecular Substances; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D010957:Plasmids
chemical_list: D004269:DNA, Bacterial; D046911:Macromolecular Substances