3J5V
PhuZ201 filament
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3R4V |
Sample |
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PhuZ filament |
Specimen Preparation | |
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Sample Aggregation State | FILAMENT |
Vitrification Instrument | FEI VITROBOT MARK III |
Cryogen Name | ETHANE |
Sample Vitrification Details | Blotted 2 seconds before plunging in liquid ethane (FEI VITROBOT MARK III) |
3D Reconstruction | |
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Reconstruction Method | HELICAL |
Number of Particles | 23243 |
Reported Resolution (Å) | 7.1 |
Resolution Method | |
Other Details | A modified version of SPIDER program was used for the reconstruction. Helical symmetry search was performed with hsearch_lorentz. |
Refinement Type | |
Symmetry Type | HELICAL |
Axial Symmetry | C1 |
Axial Rise | 14.42 |
Angular Rotation | -116.44 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (3R4V) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | cross-correlation | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--Flexible fitting DETAILS--Flexible fitting applied to C-terminus (residues 273-315) |
Data Acquisition | |||||||||
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Detector Type | TVIPS TEMCAM-F816 (8k x 8k) | ||||||||
Electron Dose (electrons/Å**2) | 25 |
Imaging Experiment | 1 |
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Date of Experiment | 2011-11-21 |
Temperature (Kelvin) | |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 700 |
Maximum Defocus (nm) | 2500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 62000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | Coot | |
MODEL FITTING | UCSF Chimera | |
RECONSTRUCTION | SPIDER |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
Whole micrograph |