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A biocompatible backbone modification? - Structure and dynamics of a triazole-linked DNA duplex
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D DQF-COSY 3 mM DNA strand I, 3 mM DNA strand II, 99,98 % [U-100% 2H] D2O, 150 mM sodium chloride, 10 mM sodium phosphate 100% D2O 150 6.5 ambient 298 2 2D 1H-1H NOESY 3 mM DNA strand I, 3 mM DNA strand II, 99,98 % [U-100% 2H] D2O, 150 mM sodium chloride, 10 mM sodium phosphate 100% D2O 150 6.5 ambient 298 3 2D 1H-1H TOCSY 3 mM DNA strand I, 3 mM DNA strand II, 99,98 % [U-100% 2H] D2O, 150 mM sodium chloride, 10 mM sodium phosphate 100% D2O 150 6.5 ambient 298 4 2D 1H-13C HMQC 3 mM DNA strand I, 3 mM DNA strand II, 99,98 % [U-100% 2H] D2O, 150 mM sodium chloride, 10 mM sodium phosphate 100% D2O 150 6.5 ambient 298 5 2D 1H-13C HMQC 3 mM DNA strand I, 3 mM DNA strand II, 99,98 % [U-100% 2H] D2O, 20 mg/ml Pf1 phage, 150 mM sodium chloride, 10 mM sodium phosphate 100% D2O 150 6.5 ambient 298 6 2D 1H-1H NOESY 3 mM DNA strand I, 3 mM DNA strand II, 10 % [U-99% 2H] D2O, 90 % H2O, 150 mM sodium chloride, 10 mM sodium phosphate 90% H2O/10% D2O 150 6.5 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600
NMR Refinement Method Details Software torsion angle dynamics 20000K CARA
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 11 Representative Model 1 (minimized average structure)
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment CARA 1.84 Keller and Wuthrich 2 peak picking CARA 1.84 Keller and Wuthrich 3 collection TopSpin 2.1 Bruker Biospin 4 processing TopSpin 2.1 Bruker Biospin 5 refinement X-PLOR NIH 2.20 Schwieters, Kuszewski, Tjandra and Clore 6 structure solution X-PLOR NIH 2.20 Schwieters, Kuszewski, Tjandra and Clore