title: Lennard-Jones potential calculations of the barrier to rotation around the glycosidic C-N linkage in selected purine nucleosides and nucleotides. A direct comparison of the results of 6-12 potential calculations with results of semiempirical molecular orbital studies.
mesh_terms: D000227:Adenine Nucleotides; D000241:Adenosine; D000249:Adenosine Monophosphate; D003839:Deoxyadenosines; D006027:Glycosides; D006151:Guanosine; D007288:Inosine; D009690:Nucleic Acid Conformation; D011199:Potentiometry; D011684:Purine Nucleosides; D011685:Purine Nucleotides; D011789:Quantum Theory; D014961:X-Ray Diffraction
chemical_list: D000227:Adenine Nucleotides; D003839:Deoxyadenosines; D006027:Glycosides; D011684:Purine Nucleosides; D011685:Purine Nucleotides; D006151:Guanosine; D000249:Adenosine Monophosphate; D007288:Inosine; D000241:Adenosine