title: Packing patterns of crystalline purine nucleosides: a study in terms of empirical van der Waals energy.
mesh_terms: D001483:Base Sequence; D003461:Crystallography; D004735:Energy Transfer; D006150:Guanine Nucleotides; D008961:Models, Structural; D009690:Nucleic Acid Conformation; D009705:Nucleosides; D009711:Nucleotides; D011685:Purine Nucleotides
chemical_list: D006150:Guanine Nucleotides; D009705:Nucleosides; D009711:Nucleotides; D011685:Purine Nucleotides