title: An A-helix structure for poly(dA-dT) X poly(dA-dT).
mesh_terms: D009690:Nucleic Acid Conformation; D011067:Poly dA-dT; D011089:Polydeoxyribonucleotides; D013059:Spectrum Analysis, Raman / Q000379:methods
chemical_list: D011089:Polydeoxyribonucleotides; D011067:Poly dA-dT