9JBP
Cryo-EM structure of human SOD1 (C6A/C111A) amyloid filament
ELECTRON MICROSCOPY
Sample |
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Amyloid filament of human C6A/C111A mutant SOD1 protein |
Specimen Preparation | |
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Sample Aggregation State | HELICAL ARRAY |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | HELICAL |
Number of Particles | 679265 |
Reported Resolution (Å) | 3.18 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | HELICAL |
Axial Symmetry | C1 |
Axial Rise | 2.397 |
Angular Rotation | 179.602 |
Map-Model Fitting and Refinement | |||||
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Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | AB INITIO MODEL | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | FEI FALCON IV (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 40 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | TFS GLACIOS |
Minimum Defocus (nm) | 1200 |
Maximum Defocus (nm) | 2100 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
Nominal Magnification | 92000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
PARTICLE SELECTION | RELION | 4.0 |
CTF CORRECTION | RELION | 4.0 |
MODEL FITTING | Coot | |
MODEL REFINEMENT | PHENIX | 1.21 |
INITIAL EULER ASSIGNMENT | RELION | 4.0 |
FINAL EULER ASSIGNMENT | RELION | 4.0 |
CLASSIFICATION | RELION | 4.0 |
RECONSTRUCTION | RELION | 4.0 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 973528 |