title: Structure and conformation of nucleosides and nucleotides and their analogs as determined by x-ray diffraction.
mesh_terms: D001089:Arabinose / Q000031:analogs & derivatives; D001665:Binding Sites; D003837:Deoxy Sugars; D008961:Models, Structural; D008968:Molecular Conformation; D009690:Nucleic Acid Conformation; D009705:Nucleosides; D009711:Nucleotides; D012266:Ribose / Q000031:analogs & derivatives; D013329:Structure-Activity Relationship; D013438:Sulfhydryl Compounds
chemical_list: D003837:Deoxy Sugars; D009705:Nucleosides; D009711:Nucleotides; D013438:Sulfhydryl Compounds; D012266:Ribose; D001089:Arabinose