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Parallel G-quadruplex structure
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 H2O NOESY 1 mM DNA (25-MER), 70 mM potassium chloride, 20 mM potassium phosphate 90% H2O/10% D2O 100 mM 7 1 atm 298 Bruker AVANCE II 600 2 D2O NOESY 1 mM DNA (25-MER), 70 mM potassium chloride, 20 mM potassium phosphate 100% D2O 100 mM 7 1 atm 298 Bruker AVANCE II 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE II 600
NMR Refinement Method Details Software DGSA-distance geometry simulated annealing X-PLOR NIH molecular dynamics X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 100 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin Bruker Biospin 2 processing TopSpin Bruker Biospin 3 peak picking NMRFAM-SPARKY Lee, W., Tonelli, M., Markley, J.L. 4 chemical shift assignment NMRFAM-SPARKY Lee, W., Tonelli, M., Markley, J.L. 5 data analysis NMRFAM-SPARKY Lee, W., Tonelli, M., Markley, J.L. 6 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 7 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore