title: Evidence for an interwound form for the superhelix in circular DNA.
mesh_terms: D004269:DNA, Bacterial; D004270:DNA, Circular; D004278:DNA, Superhelical; D009690:Nucleic Acid Conformation; D010957:Plasmids; D013211:Staphylococcus aureus
chemical_list: D004269:DNA, Bacterial; D004270:DNA, Circular; D004278:DNA, Superhelical