title: Strange double helix of poly (dA-dT) in high-salt solution.
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D009994:Osmolar Concentration; D011067:Poly dA-dT; D011089:Polydeoxyribonucleotides; D012492:Salts; D012996:Solutions
chemical_list: D011089:Polydeoxyribonucleotides; D012492:Salts; D012996:Solutions; D011067:Poly dA-dT