title: Left-handed DNA helices, supercoiling, and the B-Z junction.
mesh_terms: D002942:Circular Dichroism; D004247:DNA; D004269:DNA, Bacterial / Q000235:genetics; D004278:DNA, Superhelical; D004926:Escherichia coli / Q000235:genetics; D007700:Kinetics; D009690:Nucleic Acid Conformation; D010957:Plasmids; D011089:Polydeoxyribonucleotides
chemical_list: D004269:DNA, Bacterial; D004278:DNA, Superhelical; D011089:Polydeoxyribonucleotides; D004247:DNA