title: Double helix formed by the dinucleoside phosphate thymidylyl-3',5'-deoxyadenosine.
mesh_terms: D000227:Adenine Nucleotides; D004247:DNA; D008968:Molecular Conformation; D009690:Nucleic Acid Conformation; D011119:Polynucleotides; D013942:Thymine Nucleotides; D014961:X-Ray Diffraction
chemical_list: D000227:Adenine Nucleotides; D011119:Polynucleotides; D013942:Thymine Nucleotides; D004247:DNA