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NMR solution structure of metal-modified DNA
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 0.3-0.5 mM DNA (34-MER)-1, 120 mM sodium perchlorate-2, 0.9-1.5 mM SILVER ION-3 100% D2O 0.12 7.2 ambient 298 2 2D 1H-1H TOCSY 0.3-0.5 mM DNA (34-MER)-1, 120 mM sodium perchlorate-2, 0.9-1.5 mM SILVER ION-3 100% D2O 0.12 7.2 ambient 298 3 2D 1H-13C HSQC 0.3-0.5 mM DNA (34-MER)-1, 120 mM sodium perchlorate-2, 0.9-1.5 mM SILVER ION-3 100% D2O 0.12 7.2 ambient 298 4 2D 1H-15N HSQC 0.3-0.5 mM DNA (34-MER)-1, 120 mM sodium perchlorate-2, 0.9-1.5 mM SILVER ION-3 100% D2O 0.12 7.2 ambient 298 5 1D 31P 0.3-0.5 mM DNA (34-MER)-1, 120 mM sodium perchlorate-2, 0.9-1.5 mM SILVER ION-3 100% D2O 0.12 7.2 ambient 298 6 2D 1H-1H NOESY 0.3-0.5 mM DNA (34-MER)-4, 120 mM sodium perchlorate-5, 0.9-1.5 mM SILVER ION-6 90% H2O/10% D2O 0.12 7.2 ambient 278
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 700 2 Bruker AV-2 400
NMR Refinement Method Details Software torsion angle dynamics TopSpin
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 200 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 processing TopSpin 1.3, 2.0, 2.1 Bruker Biospin 2 chemical shift assignment Sparky 3.1 Goddard 3 data analysis Sparky 3.1 Goddard 4 peak picking Sparky 3.1 Goddard 5 structure solution DYANA 1.5 Guntert, Braun and Wuthrich 6 structure solution X-PLOR NIH 2.15 Schwieters, Kuszewski, Tjandra and Clore 7 refinement X-PLOR NIH 2.15 Schwieters, Kuszewski, Tjandra and Clore