Hybrid structure of the Shigella flexneri MxiH Type three secretion system needle
SOLID-STATE NMR - ELECTRON MICROSCOPY
| NMR Experiment | ||||||||
|---|---|---|---|---|---|---|---|---|
| Experiment | Type | Sample Contents | Solvent | Ionic Strength | pH | Pressure | Temperature (K) | Spectrometer |
| 1 | 13C-13C (PDSD) | 20 mg [U-100% 13C; U-100% 15N] MxiH | wet | 5.5 | ambient | 278 | ||
| 2 | 15N-13C (Specific-CP) | 20 mg [U-100% 13C; U-100% 15N] MxiH | wet | 5.5 | ambient | 278 | ||
| NMR Spectrometer Information | |||
|---|---|---|---|
| Spectrometer | Manufacturer | Model | Field Strength |
| 1 | Bruker | AVANCE | 850 |
| NMR Refinement | ||
|---|---|---|
| Method | Details | Software |
| Rosetta fold-and-dock, Rosetta symmetric relax | symmetric fragment-based Monte Carlo trials followed by full-atom refinement, symmetric refinement (relax) of backbone, sidechain, and rigid-body degrees of freedom | Rosetta |
| NMR Ensemble Information | |
|---|---|
| Conformer Selection Criteria | target function |
| Conformers Calculated Total Number | 5000 |
| Conformers Submitted Total Number | 10 |
| Representative Model | 1 (lowest energy) |
| Computation: NMR Software | ||||
|---|---|---|---|---|
| # | Classification | Version | Software Name | Author |
| 1 | data analysis | Sparky | Goddard | |
| 2 | refinement | Rosetta | ||
| Sample |
|---|
| Shigella flexneri MxiH Type three secretion system needle |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | FILAMENT |
| Vitrification Instrument | FEI VITROBOT MARK I |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | HELICAL |
| Number of Particles | |
| Reported Resolution (Å) | 7.7 |
| Resolution Method | |
| Other Details | |
| Refinement Type | |
| Symmetry Type | HELICAL |
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | TVIPS TEMCAM-F415 (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 20 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | 2008-07-02 |
| Temperature (Kelvin) | |
| Microscope Model | JEOL 3200FSC |
| Minimum Defocus (nm) | 1000 |
| Maximum Defocus (nm) | 2000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | 50000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details |
