2LEG
Membrane protein complex DsbB-DsbA structure by joint calculations with solid-state NMR and X-ray experimental data
SOLID-STATE NMR
NMR Experiment | ||||||||
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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 | |||
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Spectrometer | Manufacturer | Model | Field Strength |
1 | Varian | INOVA | 750 |
2 | Varian | VXRS | 500 |
NMR Refinement | ||
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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 | |
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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 | |
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Details | Chemical shifts assignments and CC correlations provide dihedral angle and distance restraints. |
Computation: NMR Software | ||||
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# | 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 |