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NMR solution structures of the DNA minidumbbell formed by two CmCTG repeats at pH 5
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 0.2 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaCl 99.96% D2O 10 mM 5 1 atm 273 Bruker AVANCE 700 5 2D 1H-1H COSY 0.2 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaCl 99.96% D2O 10 mM 5 1 atm 273 Bruker AVANCE 500 6 2D 1H-1H TOCSY 0.2 mM NA DNA, 0.02 mM NA DSS, 10 mM NA NaCl 99.96% D2O 10 mM 5 1 atm 273 Bruker AVANCE 500
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 700 2 Bruker AVANCE 500
NMR Refinement Method Details Software restrained molecular dynamics Amber
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 500 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 chemical shift assignment TopSpin Bruker Biospin 2 structure calculation Amber Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman