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G-quadruplex structure formed in human Bcl-2 promoter, hybrid form
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D NOESY 1mM DNA oligomer, 20mM potassium phosphate buffer, 40mM potassium chloride 99.99% D2O 60mM 7.0 1 atm 298 2 2D TOCSY 1mM DNA oligomer, 20mM potassium phosphate buffer, 40mM potassium chloride 99.99% D2O 60mM 7.0 1 atm 298 3 DQF-COSY 1mM DNA oligomer, 20mM potassium phosphate buffer, 40mM potassium chloride 99.99% D2O 60mM 7.0 1 atm 298 4 PE-COSY 1mM DNA oligomer, 20mM potassium phosphate buffer, 40mM potassium chloride 99.99% D2O 60mM 7.0 1 atm 298 5 2D NOESY 1mM DNA oligomer, 20mM potassium phosphate buffer, 40mM potassium chloride, 90% H2O, 10% D2O 90% H2O/10% D2O 60mM 7.0 1 atm 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600
NMR Refinement Method Details Software distance geometry simulated annealing molecular dynamics X-PLOR
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations,structures with the lowest energy Conformers Calculated Total Number 20 Conformers Submitted Total Number 10 Representative Model 1 (fewest violations,lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement X-PLOR 3.851 Brunger, A.T. 2 collection XwinNMR 3.5 3 processing XwinNMR 3.5 4 data analysis Sparky 3.110