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NMR structure of the Bak transmembrane helix in lipid nanodiscs
NMR Experiment Experiment Type Sample Contents Solvent Ionic Strength pH Pressure Temperature (K) Spectrometer 1 2D 1H-15N HSQC 400 uM [U-13C; U-15N; U-2H] Bak transmembrane helix, 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM EDTA 95% H2O/5% D2O 100 mM 7.0 1 atm 315 Bruker AVANCE III 600 2 3D 1H-15N NOESY 400 uM [U-13C; U-15N; U-2H] Bak transmembrane helix, 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM EDTA 95% H2O/5% D2O 100 mM 7.0 1 atm 315 Bruker AVANCE III 600 3 3D 1H-15N-NNH-NOESY 400 uM [U-13C; U-15N; U-2H] Bak transmembrane helix, 20 mM sodium phosphate, 50 mM sodium chloride, 1 mM EDTA 95% H2O/5% D2O 100 mM 7.0 1 atm 315 Bruker AVANCE III 600
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 600
NMR Refinement Method Details Software simulated annealing X-PLOR NIH
NMR Ensemble Information Conformer Selection Criteria structures with the lowest energy Conformers Calculated Total Number 50 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 TopSpin Bruker Biospin 3 peak picking NMRFAM-SPARKY U of Wisconsin Madison 4 chemical shift assignment NMRFAM-SPARKY U of Wisconsin Madison 5 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 6 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore