title: Molecular structure of poly-2-thiouridylic acid, a double helix with non-equivalent polynucleotide chains.
mesh_terms: D001483:Base Sequence; D001665:Binding Sites; D008961:Models, Structural; D008968:Molecular Conformation; D009690:Nucleic Acid Conformation; D011072:Poly U; D012343:RNA, Transfer; D013873:Thionucleotides; D013889:Thiouracil; D014961:X-Ray Diffraction
chemical_list: D013873:Thionucleotides; D011072:Poly U; C008993:poly-2-thiouridylic acid; D013889:Thiouracil; D012343:RNA, Transfer