title: On the conformational dependence of the proton chemical shifts in nucleosides and nucleotides. II. Proton shifts in the ribose ring of purine nucleosides as a function of the torsion angle about the glycosyl bond.
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D009690:Nucleic Acid Conformation; D011522:Protons; D011684:Purine Nucleosides; D011789:Quantum Theory; D012266:Ribose
chemical_list: D011522:Protons; D011684:Purine Nucleosides; D012266:Ribose