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NMR Solution Structure of the 2:1 Berberine-KRAS-G4 Complex
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-1H NOESY 1.5 mM None KRAS_Pu24m1 90% H2O/10% D2O 50 mM 7.0 1 atm 298 Bruker AVANCE III 600 2 2D 1H-1H NOESY 1.5 mM None KRAS_Pu24m1 90% H2O/10% D2O 50 mM 7.0 1 atm 308 Bruker AVANCE III 600 4 2D DQF-COSY 1.5 mM None KRAS_Pu24m1 90% H2O/10% D2O 50 mM 7.0 1 atm 298 Bruker AVANCE III 600 5 2D 1H-13C HSQC 1.5 mM None KRAS_Pu24m1 90% H2O/10% D2O 50 mM 7.0 1 atm 298 Bruker AVANCE III 600 6 2D 1H-15N HSQC 1.5 mM None KRAS_Pu24m1 90% H2O/10% D2O 50 mM 7.0 1 atm 308 Bruker AVANCE III 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 600
NMR Refinement Method Details Software molecular dynamics 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 2 collection TopSpin Bruker Biospin 4 peak picking NMRFAM-SPARKY Woonghee Lee 3 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 5 structure calculation Amber Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman 6 refinement Amber Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman