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Trimolecular G-quadruplex
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 8 mM DNA (5'-D(*GP*TP*TP*AP*GP*G)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 10 % v/v D2O, 90 v/v H2O 90% H2O/10% D2O 100 mM 6.8 1 atm 288 Bruker AVANCE 600 5 2D 1H-1H NOESY 8 mM DNA (5'-D(*GP*TP*TP*AP*GP*G)-3'), 100 mM sodium chloride, 20 mM sodium phosphate, 100 % v/v D2O 100% D2O 100 mM 6.8 1 atm 288 Bruker AVANCE 600 6 2D 1H-15N HSQC 8 mM DNA (5'-D(*GP*TP*TP*AP*GP*G)-3'), 20 mM sodium phosphate, 100 mM sodium chloride, 10 % v/v D2O, 90 v/v H2O 90% H2O/10% D2O 100 mM 6.8 1 atm 288 Bruker AVANCE 600 7 2D 1H-13C HSQC aromatic 8 mM DNA (5'-D(*GP*TP*TP*AP*GP*G)-3'), 100 mM sodium chloride, 20 mM sodium phosphate, 100 % v/v D2O 100% D2O 100 mM 6.8 1 atm 288 Bruker AVANCE 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE 600
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 200 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement X-PLOR NIH 3.0.3 Schwieters, Kuszewski, Tjandra and Clore 2 chemical shift assignment CcpNmr Analysis 2.4.2 CCPN 3 collection TopSpin 3.6.2 Bruker Biospin