8OT1
unseeded Abeta(1-40) amyloid fibril (morphology i)
ELECTRON MICROSCOPY
Sample |
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in vitro Abeta(1-40) amyloid fibril |
Specimen Preparation | |
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Sample Aggregation State | HELICAL ARRAY |
Vitrification Instrument | LEICA PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | HELICAL |
Number of Particles | 176139 |
Reported Resolution (Å) | 2.59 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | HELICAL |
Axial Symmetry | C2 |
Axial Rise | 4.763 |
Angular Rotation | -0.782 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 | ||||
Refinement Space | REAL | ||||
Refinement Protocol | BACKBONE TRACE | ||||
Refinement Target | corrleation coefficient | ||||
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 | FEI TITAN KRIOS |
Minimum Defocus (nm) | 600 |
Maximum Defocus (nm) | 2100 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2.7 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 130000 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
PARTICLE SELECTION | RELION | 3.1.3 |
IMAGE ACQUISITION | SerialEM | |
CTF CORRECTION | CTFFIND | 4.1 |
MODEL FITTING | Coot | 0.9.2 |
MODEL REFINEMENT | PHENIX | 1.20.1-4487 |
RECONSTRUCTION | RELION | 3.1.3 |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 227311 |