ELECTRON MICROSCOPY

Sample

Fibrillar assembly of human Amyloid-beta 1-40 derived from vascular deposits in a cerebral amyloid angiopathy patient

Specimen Preperation
Sample Aggregation State FILAMENT
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method HELICAL
Number of Particles 59075
Reported Resolution (Å) 2.87
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type HELICAL
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol AB INITIO MODEL
Refinement Target ?
Overall B Value 31.1
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 49.7
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 800
Maximum Defocus (nm) 1400
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 92000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 3.1.1
IMAGE ACQUISITION EPU ?
CTF CORRECTION Gctf 1.06
CTF CORRECTION RELION 3.1.1
MODEL FITTING Coot ?
MODEL REFINEMENT PHENIX 1.19.1
MODEL REFINEMENT ISOLDE 1.4
INITIAL EULER ASSIGNMENT RELION 3.1.1
FINAL EULER ASSIGNMENT RELION 3.1.1
CLASSIFICATION RELION 3.1.1
RECONSTRUCTION RELION 3.1.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION Per-micrograph correction via Gctf. Aberration, magnification, and per-particle corrections via RELION.
Feedback Form
Name
Email
Institute
Feedback