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Solution-state structure of an intramolecular G-quadruplex with propeller, diagonal and edgewise loops
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1.7 mM DG3ATG3ACACAG4ACG3, 10 mM potassium phosphate, 40 mM potassium chloride 90% H2O/10% D2O 50 6.8 ambient 298 2 2D 1H-1H NOESY 2.3 mM DG3ATG3ACACAG4ACG3, 10 mM potassium phosphate, 40 mM potassium chloride 100% D2O 50 6.8 ambient 298 3 2D DQF-COSY 2.3 mM DG3ATG3ACACAG4ACG3, 10 mM potassium phosphate, 40 mM potassium chloride 100% D2O 50 6.8 ambient 298
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian Uniform NMR System 800
NMR Refinement Method Details Software simulated annealing VnmrJ
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 50 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 processing VnmrJ Varian 2 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 3 chemical shift assignment Sparky Goddard 4 peak picking Sparky Goddard 5 structure solution Amber 9 Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm 6 refinement Amber 9 Case, Darden, Cheatham, III, Simmerling, Wang, Duke, Luo, and Kollm