title: Molecular orbital calculations on the conformation of nucleic acids and their constituents. IV. Conformations about the exocyclic C(4')-C(5') bond.
mesh_terms: D001665:Binding Sites; D055598:Chemical Phenomena; D002621:Chemistry; D003460:Crystallization; D004247:DNA; D003853:Deoxyribonucleosides; D003854:Deoxyribonucleotides; D008968:Molecular Conformation; D009690:Nucleic Acid Conformation; D012313:RNA; D012263:Ribonucleosides; D012265:Ribonucleotides; D013329:Structure-Activity Relationship; D014961:X-Ray Diffraction
chemical_list: D003853:Deoxyribonucleosides; D003854:Deoxyribonucleotides; D012263:Ribonucleosides; D012265:Ribonucleotides; D012313:RNA; D004247:DNA