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G-quadruplex structure of an anti-proliferative DNA sequence
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1.2-2 mM DNA (28-MER)-1 90% H2O/10% D2O 90 7 298 2 2D 1H-1H NOESY 1.2-2 mM DNA (28-MER)-3 100% D2O 90 7 298 3 2D 1H-13C HSQC 1.2-2 mM DNA (28-MER)-3 100% D2O 90 7 298 4 2D 1H-1H TOCSY 1.2-2 mM DNA (28-MER)-3 100% D2O 90 7 298 5 1D 15N-Filtered 0.2-1 mM [U-2% 15N] DNA (28-MER)-2 90% H2O/10% D2O 90 7 298 6 1D D-labeled 0.2-1 mM [U-100% 2H] DNA (28-MER)-4 100% D2O 90 7 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600 2 Bruker AVANCE 700
NMR Refinement Method Details Software DGSA-distance geometry simulated annealing Amber
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 refinement Amber Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman 2 structure solution Amber Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman 3 geometry optimization Amber Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, ... and Kollman 4 geometry optimization X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 5 structure solution X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 6 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 7 chemical shift assignment Sparky Goddard 8 data analysis Sparky Goddard 9 peak picking Sparky Goddard 10 collection TopSpin Bruker Biospin