NMR structure ensemble for the reduced DsbA disulphide oxidoreductase from Vibrio Cholerae
SOLUTION NMR
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 3D_13C-separated_NOESY | 400 uM DsbA U-15N,13C, 10 mM HEPES, 50 mM sodium chloride, ph 6.8, 90% H2O, 10% D2O | 90% H2O/10% D2O | 50 mM NaCl | 6.8 | 1 atm | 320 | |
| 2 | 3D_15N-separated_NOESY | 400 uM DsbA U-15N,13C, 10 mM HEPES, 50 mM sodium chloride, ph 6.8, 90% H2O, 10% D2O | 90% H2O/10% D2O | 50 mM NaCl | 6.8 | 1 atm | 320 | |
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | DRX | 500 |
| 2 | Varian | AVANCE | 600 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| torsion angle dynamics | 898 long range NOE restraints, 850 medium range NOE restraints, 95 ambiguous NOE restraints, 95 hydrogen bond distance restraints, 238 dihedral angle restraints | XwinNMR |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | structures with acceptable covalent geometry,structures with the least restraint violations,structures with the lowest energy |
| Conformers Calculated Total Number | 100 |
| Conformers Submitted Total Number | 22 |
| Representative Model | 1 (lowest energy) |
| Additional NMR Experimental Information | |
|---|---|
| Details | Structure determined using triple resonance methods. Stereospecific assignments of valine and leucine methyls were achieved using a 10% 13C-labeled sample of DsbA |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | collection | XwinNMR | ||
| 2 | collection | VNMR | ||
| 3 | processing | NMRPipe | ||
| 4 | data analysis | Sparky | ||
| 5 | structure solution | CYANA | 2.1 | |
| 6 | refinement | X-PLOR | ||














