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Phen-DC3 intercalation causes hybrid-to-antiparallel transformation of human telomeric DNA G-quadruplex
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H TOCSY 500 uM Unlabeled 23TAG 95% H2O/5% D2O 70 mM 7 1 atm 298 Bruker AVANCE NEO 700 2 2D 1H-1H NOESY 500 uM Unlabeled 23TAG 95% H2O/5% D2O 70 mM 7 1 atm 298 Bruker AVANCE III 800 4 2D 1H-13C HSQC 200 uM 13C at guanine 23TAG 95% H2O/5% D2O 70 mM 7 1 atm 298 Bruker AVANCE NEO 600 5 2D 1H-15N HSQC 200 uM 15N at guanine 23TAG 95% H2O/5% D2O 70 mM 7 1 atm 298 Bruker AVANCE NEO 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE NEO 700 2 Bruker AVANCE III 800 3 Bruker AVANCE NEO 600
NMR Refinement Method Details Software simulated annealing 497 distance, 24 Planarity, 23 dihedral angle, 16 H bonding 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 structure calculation Amber 20 Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman 2 chemical shift assignment NMRFAM-SPARKY 1.414 Lee, Woonghee, Marco Tonelli, and John L. Markley 3 processing TopSpin 4.1.3 Bruker Biospin 4 collection TopSpin 4.1.3 Bruker Biospin