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NMR structure of the Bak transmembrane helix in DPC micelles
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-TMH, 20 mM sodium phosphate, 50 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT, 300 mM DPC 95% H2O/5% D2O 100 mM 7.0 1 atm 310 Bruker AVANCE III 800 2 3D HNCO 400 uM [U-13C; U-15N; U-2H] Bak-TMH, 20 mM sodium phosphate, 50 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT, 300 mM DPC 95% H2O/5% D2O 100 mM 7.0 1 atm 310 Bruker AVANCE III 800 3 3D HNCA 400 uM [U-13C; U-15N; U-2H] Bak-TMH, 20 mM sodium phosphate, 50 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT, 300 mM DPC 95% H2O/5% D2O 100 mM 7.0 1 atm 310 Bruker AVANCE III 800 4 3D 1H-15N NOESY 400 uM [U-13C; U-15N; U-2H] Bak-TMH, 20 mM sodium phosphate, 50 mM sodium chloride, 0.5 mM EDTA, 5 mM DTT, 300 mM DPC 95% H2O/5% D2O 100 mM 7.0 1 atm 310 Bruker AVANCE III 800
NMR Spectrometer Information Spectrometer Manufacturer Model Field Strength 1 Bruker AVANCE III 800
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 Wisconsin-Madison 4 chemical shift assignment NMRFAM-SPARKY U Wisconsin-Madison 5 structure calculation X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore 6 refinement X-PLOR NIH Schwieters, Kuszewski, Tjandra and Clore