6XYP

Multiple system atrophy Type II-1 alpha-synuclein filament


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.704
f_angle_d0.566
f_chiral_restr0.054
f_bond_d0.008
f_plane_restr0.002
Sample
Sarkosyl-insoluble fractions from the putamen of multiple system atrophy brain
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles23983
Reported Resolution (Å)3.29
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsHelical reconstruction in RELION3. The initial model was reconstructed from reference-free 2-D class averages and the resolution of the cryo-EM map wa ...Helical reconstruction in RELION3. The initial model was reconstructed from reference-free 2-D class averages and the resolution of the cryo-EM map was good enough to do de-novo modelling.
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise4.72
Angular Rotation-1.41
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)47.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION