Experiment: 2LEG

Membrane protein complex DsbB-DsbA structure by joint calculations with solid-state NMR and X-ray experimental data

SOLID-STATE NMR

NMR Experiment
Experiment	Type	Sample Contents	Solvent	Ionic Strength	pH	Pressure	Temperature (K)	Spectrometer
1	2D CC DARR	15 mg [U-100% 13C; U-100% 15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
2	2D CC DARR	10 mg [2-13C-glycerol; U-15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
3	2D CC DARR	10 mg [1,3-13C-glycerol; U-15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
4	2D CC DARR	7 mg [U-100% 13C; U-100% 15N] DsbB, 2 mg DDM, 7 mg E. coli lipids	90% H2O/10% D2O		7.8	ambient	261
5	2D CC DARR	5 mg [2-13C-glycerol; U-15N] DsbB, 2 mg DDM, 7 mg E. coli lipids	90% H2O/10% D2O		7.8	ambient	261
6	2D CC DARR	4 mg [1,3-13C-glycerol; U-15N] DsbB, 2 mg DDM, 7 mg E. coli lipids	90% H2O/10% D2O		7.8	ambient	261
7	3D NCACX	15 mg [U-100% 13C; U-100% 15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
8	3D NCACX	10 mg [2-13C-glycerol; U-15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
9	3D NCACX	7 mg [U-100% 13C; U-100% 15N] DsbB, 2 mg DDM, 7 mg E. coli lipids	90% H2O/10% D2O		7.8	ambient	261
10	3D NCOCX	15 mg [U-100% 13C; U-100% 15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
11	3D NCOCX	10 mg [1,3-13C-glycerol; U-15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
12	3D NCOCX	7 mg [U-100% 13C; U-100% 15N] DsbB, 2 mg DDM, 7 mg E. coli lipids	90% H2O/10% D2O		7.8	ambient	261
13	3D CAN(CO)CX	15 mg [U-100% 13C; U-100% 15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
14	3D CAN(CO)CX	7 mg [U-100% 13C; U-100% 15N] DsbB, 2 mg DDM, 7 mg E. coli lipids	90% H2O/10% D2O		7.8	ambient	261
15	3D CON(CA)CX	7 mg [U-100% 13C; U-100% 15N] DsbB, 2 mg DDM, 7 mg E. coli lipids	90% H2O/10% D2O		7.8	ambient	261
16	4D CANCOCX	15 mg [U-100% 13C; U-100% 15N] DsbA	90% H2O/10% D2O		7.0	ambient	270
17	2D NC TEDOR	10 mg [1,3-13C-glycerol; U-15N] DsbA	90% H2O/10% D2O		7.0	ambient	270

NMR Spectrometer Information
Spectrometer	Manufacturer	Model	Field Strength
1	Varian	INOVA	750
2	Varian	VXRS	500

NMR Refinement
Method	Details	Software
simulated annealing	Joint calculation of DsbB-DsbA complex with solid-state NMR restraints and X-ray reflections from PDB entry 2HI7.	Sparky

NMR Ensemble Information
Conformer Selection Criteria	structures with the lowest energy
Conformers Calculated Total Number	200
Conformers Submitted Total Number	10
Representative Model	1 (closest to the average)

Additional NMR Experimental Information
Details	Chemical shifts assignments and CC correlations provide dihedral angle and distance restraints.

Computation: NMR Software
#	Classification	Version	Software Name	Author
1	chemical shift assignment	Sparky		Goddard
2	processing	NMRPipe		Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
3	refinement	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
4	structure solution	X-PLOR NIH		Schwieters, Kuszewski, Tjandra and Clore
5	data analysis	TALOS+		Shen, Cornilescu, Delaglio and Bax
6	collection	VnmrJ		Varian