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Human telomere DNA two-tetrad quadruplex structure in K+ solution
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1 mM DNA (5'-D(*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*TP*TP*AP*(DI)P*GP*GP*TP*TP*AP*GP*GP*GP*T)-3')-1, 60 mM potassium chloride-2, 30 mM potassium phosphate-3 90% H2O/10% D2O 90 7 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker DRX 600
NMR Refinement Method Details Software DGSA-distance geometry simulated annealing X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 100 Conformers Submitted Total Number 8 Representative Model 1 (fewest violations)
Computation: NMR Software # Classification Version Software Name Author 1 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore