8OQI

Cryo-EM structure of the wild-type alpha-synuclein fibril.


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d18.2863
f_angle_d2.008
f_chiral_restr0.1147
f_bond_d0.0131
f_plane_restr0.0068
Sample
Human wild-type alpha-synuclein fibril
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles27610
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsThe alpha-synuclein fibril was reconstructed using RELION-3.1.
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise2.41
Angular Rotation179.62
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)30
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)2500
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
NONE