title: Characterization of the ColE1-Km plasmids pCR1 and pCR11 by electron microscope and restriction endonuclease mapping.
mesh_terms: D003086:Bacteriocin Plasmids; D004262:DNA Restriction Enzymes; D004269:DNA, Bacterial; D004926:Escherichia coli / Q000032:analysis; D008854:Microscopy, Electron; D008970:Molecular Weight; D009690:Nucleic Acid Conformation; D010957:Plasmids
chemical_list: D004269:DNA, Bacterial; D004262:DNA Restriction Enzymes