title: Catenanes of closed circular intracellular PM2 phage DNA.
mesh_terms: D001435:Bacteriophages; D001665:Binding Sites; D002499:Centrifugation, Density Gradient; D004270:DNA, Circular / Q000528:radiation effects; D004277:DNA, Single-Stranded; D004279:DNA, Viral / Q000528:radiation effects; D003854:Deoxyribonucleotides / Q000032:analysis; D003902:Detergents; D006358:Hot Temperature; D006863:Hydrogen-Ion Concentration; D008854:Microscopy, Electron; D009690:Nucleic Acid Conformation; D011549:Pseudomonas; D011830:Radiation Effects; D013056:Spectrophotometry, Ultraviolet
chemical_list: D004270:DNA, Circular; D004277:DNA, Single-Stranded; D004279:DNA, Viral; D003854:Deoxyribonucleotides; D003902:Detergents