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NMR-driven structure of the KRAS4B-G12D "alpha-beta" dimer on a lipid bilayer nanodisc
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-13C TROSY 80 uM ILV 13C-methyl; Lys 15N-amide KRAS4B 90% H2O/10% D2O 100 mM 7.4 1 atm 288 Bruker AVANCE III 800 2 2D 1H-15N HSQC 80 uM ILV 13C-methyl; Lys 15N-amide KRAS4B 90% H2O/10% D2O 100 mM 7.4 1 atm 288 Bruker AVANCE III 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 800
NMR Refinement Method Details Software simulated annealing PDB entry 4DSO was refined and then used the build the model for GTPase KRas. HADDOCK
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 1000 Conformers Submitted Total Number 20 Representative Model 1 (lowest energy)
Computation: NMR Software # Classification Version Software Name Author 1 collection TopSpin Bruker Biospin 2 processing NMRPipe Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax 3 data analysis NMRView Johnson, One Moon Scientific 4 refinement HADDOCK Bonvin 5 structure calculation HADDOCK Bonvin