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NMR solution structures of DNA minidumbbell containing a N1-methyladenine
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 0.5 mM NA DNA (5'-D(*TP*TP*TP*(MA7)P*TP*TP*TP*A)-3'), 10 mM NA sodium phosphate, 0.02 mM NA DSS 99.96% D2O 10 mM 7.0 1 atm 278 Bruker AVANCE 500 2 2D DQF-COSY 0.5 mM NA DNA (5'-D(*TP*TP*TP*(MA7)P*TP*TP*TP*A)-3'), 10 mM NA sodium phosphate, 0.02 mM NA DSS 99.96% D2O 10 mM 7.0 1 atm 278 Bruker AVANCE 500 3 2D 1H-1H TOCSY 0.5 mM NA DNA (5'-D(*TP*TP*TP*(MA7)P*TP*TP*TP*A)-3'), 10 mM NA sodium phosphate, 0.02 mM NA DSS 99.96% D2O 10 mM 7.0 1 atm 278 Bruker AVANCE 500
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 500
NMR Refinement Method Details Software simulated annealing Amber
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 100 Conformers Submitted Total Number 5 Representative Model 1 (fewest violations)
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