4V1W
3D structure of horse spleen apoferritin determined by electron cryomicroscopy
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2W0O |
Sample |
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HORSE SPLEEN APOFERRITIN |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK III |
Cryogen Name | ETHANE |
Sample Vitrification Details | LIQUID ETHANE |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 483 |
Reported Resolution (Å) | 4.7 |
Resolution Method | |
Other Details | SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2788. (DEPOSITION ID: 12832). |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | O |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (2W0O) | ||||
Refinement Space | |||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | Maximum likelihood | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--FLEXIBLE REFINEMENT PROTOCOL--X-RAY |
Data Acquisition | |||||||||
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Detector Type | FEI FALCON II (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) |
Imaging Experiment | 1 |
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Date of Experiment | 2013-03-08 |
Temperature (Kelvin) | |
Microscope Model | FEI POLARA 300 |
Minimum Defocus (nm) | 1573 |
Maximum Defocus (nm) | 3639 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 59000 |
Calibrated Magnification | 104012 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | REFMAC | |
RECONSTRUCTION | RELION |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PER PARTICLE |