8CYW
CryoEM structures of amplified alpha-synuclein fibril class B type I with compact core from DLB case III
ELECTRON MICROSCOPY
Refinement
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 7.1755 |
f_angle_d | 1.0937 |
f_chiral_restr | 0.0594 |
f_bond_d | 0.0061 |
f_plane_restr | 0.0049 |
Sample |
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Amplified alpha-synuclein fibrils from Lewy body dementia CSF |
Specimen Preparation | |
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Sample Aggregation State | FILAMENT |
Vitrification Instrument | LEICA EM GP |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | HELICAL |
Number of Particles | 14789 |
Reported Resolution (Å) | 3.1 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | HELICAL |
Axial Symmetry | C1 |
Axial Rise | 2.4 |
Angular Rotation | 179.63 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | |||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K3 (6k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 60 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 800 |
Maximum Defocus (nm) | 2500 |
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 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION |