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G-quadruplex formed within promoters of Plasmodium falciparum B var genes - form I
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1.6 mM UpsB-Q-1 DNA (34-MER), 150 mM potassium chloride 90% H2O/10% D2O 150 mM 7.0 1 atm 308 Varian Uniform NMR System 800 2 2D 1H-1H NOESY 1.8 mM UpsB-Q-1 DNA (34-MER), 150 mM potassium chloride 100% D2O 150 mM 7.0 1 atm 308 Varian Uniform NMR System 800 3 2D 1H-13C HMBC 1.6 mM UpsB-Q-1 DNA (34-MER), 150 mM potassium chloride 90% H2O/10% D2O 150 mM 7.0 1 atm 308 Varian Uniform NMR System 800 4 2D 1H-15N HSQC 1 mM 8% 13C, 8% 15N UpsB-Q-1 DNA (34-MER), 150 mM potassium chloride 90% H2O/10% D2O 150 mM 7.0 1 atm 308 Varian Uniform NMR System 600 5 1D 1H-15N HSQC 1 mM 8% 13C, 8% 15N UpsB-Q-1 DNA (34-MER), 150 mM potassium chloride 90% H2O/10% D2O 150 mM 7.0 1 atm 308 Varian Uniform NMR System 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Varian Uniform NMR System 800 2 Varian Uniform NMR System 600
NMR Refinement Method Details Software simulated annealing Amber
NMR Ensemble Information Conformer Selection Criteria structures with the least restraint violations Conformers Calculated Total Number 1000 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection VNMR Varian 2 processing VNMR Varian 3 chemical shift assignment VNMR Varian 4 peak picking Sparky Goddard 5 refinement Amber Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman