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A basket type G-quadruplex in WNT DNA promoter
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1 mM DNA (5'-D(*GP*GP*GP*CP*CP*AP*CP*CP*GP*GP*GP*CP*AP*GP*TP*GP*GP*GP*CP*GP*GP*G)-3') 90% H2O/10% D2O 120 mM 7 1 atm 298 Bruker AVANCE III 800 2 2D 1H-1H TOCSY 1 mM DNA (5'-D(*GP*GP*GP*CP*CP*AP*CP*CP*GP*GP*GP*CP*AP*GP*TP*GP*GP*GP*CP*GP*GP*G)-3') 90% H2O/10% D2O 120 mM 7 1 atm 298 Bruker AVANCE III 800 3 2D 1H-13C HSQC 1 mM DNA (5'-D(*GP*GP*GP*CP*CP*AP*CP*CP*GP*GP*GP*CP*AP*GP*TP*GP*GP*GP*CP*GP*GP*G)-3') 90% H2O/10% D2O 120 mM 7 1 atm 298 Bruker AVANCE III 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 800 2 Bruker AVANCE III 500
NMR Refinement Method Details Software simulated annealing 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 Schwieters, Kuszewski, Tjandra and Clore 2 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 3 chemical shift assignment Sparky Goddard 4 peak picking Sparky Goddard 5 collection TopSpin Bruker Biospin