7OFM

NMR structure of the Bak transmembrane helix in DPC micelles

SOLUTION NMR

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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