7SAR
Cryo-EM structure of TMEM106B fibrils extracted from a FTLD-TDP patient, polymorph 2
ELECTRON MICROSCOPY
Sample |
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TMEM106B fibrils, polymorph 2 |
Specimen Preparation | |
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Sample Aggregation State | FILAMENT |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | HELICAL |
Number of Particles | 16883 |
Reported Resolution (Å) | 3.2 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | HELICAL |
Axial Symmetry | C2 |
Axial Rise | 4.91 |
Angular Rotation | 179.59 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | |||||
Overall B Value | 93 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | GATAN K3 (6k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 39 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | |
Maximum Defocus (nm) | |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
PARTICLE SELECTION | crYOLO | |
IMAGE ACQUISITION | Leginon | |
CTF CORRECTION | CTFFIND | 4.1.8 |
INITIAL EULER ASSIGNMENT | RELION | 2 |
FINAL EULER ASSIGNMENT | RELION | 2 |
RECONSTRUCTION | RELION | 3 |
MODEL REFINEMENT | PHENIX | real_space_refine |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |