title: Determination of solution conformation of DNA backbone: application of homonuclear (J, delta) spectroscopy.
abstract: Homonuclear two-dimensional (J, delta) proton spectroscopy has been suggested as a method for the measurement of 1H-31P coupling constants in oligonucleotides. The technique has been applied to a dinucleoside monophosphate G2'p5'C and a deoxydecanucleotide d(ACATCGATGT). PCILO energy calculations have been carried out to find minimum energy conformations with respect to the DNA backbone torsion angle epsilon, and these have been considered for the interpretation of the observed H3'-31P coupling constants in oligonucleotides.
authors.affiliation: Chemical Physics Group, Tata Institute of Fundamental Research, Bombay, India.
authors.forename: R V
authors.initials: RV
authors.lastname: Hosur
authors.forename: K V
authors.initials: KV
authors.lastname: Chary
authors.forename: A
authors.initials: A
authors.lastname: Saran
authors.forename: G
authors.initials: G
authors.lastname: Govil
authors.forename: H T
authors.initials: HT
authors.lastname: Miles
mesh_terms: D001483:Base Sequence; D004247:DNA; D015226:Dinucleoside Phosphates; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D008969:Molecular Sequence Data; D009690:Nucleic Acid Conformation; D009838:Oligodeoxyribonucleotides; D013057:Spectrum Analysis
chemical_list: D015226:Dinucleoside Phosphates; D009838:Oligodeoxyribonucleotides; C064967:guanylyl-(2',5')-cytidine; D004247:DNA