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NMR structure of KRAS32R G9T conformer G-quadruplex within KRAS promoter region
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 2 mM KRAS32R G9T 90% H2O/10% D2O 50 KCl; 10 KPi mM 6.66 1 atm 310 Bruker AVANCE III 700 2 2D 1H-15N HSQC 0.5 mM [U-99% 13C; U-99% 15N] KRAS32R G9T 90% H2O/10% D2O 50 KCl; 10 KPi mM 6.66 1 atm 310 Bruker AVANCE III 850 3 2D 1H-13C HSQC aromatic 0.5 mM [U-99% 13C; U-99% 15N] KRAS32R G9T 90% H2O/10% D2O 50 KCl; 10 KPi mM 6.66 1 atm 310 Bruker AVANCE III 850 4 2D 1H-13C HSQC aliphatic 0.5 mM [U-99% 13C; U-99% 15N] KRAS32R G9T 90% H2O/10% D2O 50 KCl; 10 KPi mM 6.66 1 atm 310 Bruker AVANCE III 850 5 2D 1H-1H TOCSY 2 mM KRAS32R G9T 90% H2O/10% D2O 50 KCl; 10 KPi mM 6.66 1 atm 310 Bruker AVANCE III 700
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 700 2 Bruker AVANCE III 850
NMR Refinement Method Details Software molecular dynamics Amber
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 750 Conformers Submitted Total Number 10 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 refinement Amber 12 Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman 2 structure calculation ARIA Linge, O'Donoghue and Nilges 3 chemical shift assignment Sparky Goddard 4 processing TopSpin Bruker Biospin