4AV2
Single particle electron microscopy of PilQ dodecameric complexes from Neisseria meningitidis.
ELECTRON MICROSCOPY
Sample |
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OUTER MEMBRANE PROTEIN PILQ FROM NEISSERIA MENINGITIDIS |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK III |
Cryogen Name | ETHANE |
Sample Vitrification Details | VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 90, TEMPERATURE- 100K, INSTRUMENT- FEI VITROBOT MARK III, METHOD- BOTH SIDES OF THE GRID WERE BRIEFLY BL ... |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 25303 |
Reported Resolution (Å) | 26 |
Resolution Method | |
Other Details | SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2105. (DEPOSITION ID: 10821). |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C12 |
Map-Model Fitting and Refinement | |||||
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Id | 1 | ||||
Refinement Space | RECIPROCAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--LOCAL CORRELATION |
Data Acquisition | |||||||||
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Detector Type | GATAN ULTRASCAN 4000 (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 4 |
Imaging Experiment | 1 |
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Date of Experiment | 2007-11-27 |
Temperature (Kelvin) | 97 |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 1200 |
Maximum Defocus (nm) | 5100 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 33000 |
Calibrated Magnification | 33112 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
RECONSTRUCTION | EMAN |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
CTFFIT EACH MICROGRAPH |