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Structure of a (3+1) hybrid G-quadruplex in the PARP1 promoter
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1 mM TP3-T6, 70 mM potassium chloride, 7.7 mM KH2PO4, 12.3 mM K2HPO4 90% H2O/10% D2O 100 mM 7 1 atm 298 Bruker AVANCE III 600 2 2D 1H-1H NOESY 1 mM TP3-T6, 70 mM potassium chloride, 7.7 mM KH2PO4, 12.3 mM K2HPO4 90% H2O/10% D2O 100 mM 7 1 atm 283 Bruker AVANCE III 800 3 2D 1H-1H NOESY 1 mM TP3-T6, 70 mM potassium chloride, 7.7 mM KH2PO4, 12.3 mM K2HPO4 100% D2O 100 mM 7 1 atm 298 Bruker AVANCE III 600 4 1D 1H-15N HMQC 0.4 mM U-4% 15N Guanine TP3-T6, 70 mM potassium chloride, 7.7 mM KH2PO4, 12.3 mM K2HPO4 90% H2O/10% D2O 100 mM 7 1 atm 298 Bruker AVANCE III 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 600 2 Bruker AVANCE III 800
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 refinement X-PLOR NIH 2.42 Schwieters, Kuszewski, Tjandra and Clore 2 structure calculation X-PLOR NIH 2.42 Schwieters, Kuszewski, Tjandra and Clore 3 chemical shift assignment Sparky 3.12 Goddard 4 peak picking Sparky 3.12 Goddard