9EUU

Structure of recombinant alpha-synuclein fibrils 1B capable of seeding GCIs in vivo


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.9912
f_angle_d0.5719
f_chiral_restr0.0572
f_bond_d0.0021
f_plane_restr0.0013
Sample
recombinant alpha-synuclein fibril
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles51272
Reported Resolution (Å)1.93
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise2.36
Angular Rotation179.52
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION4.0.0
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGCoot
MODEL REFINEMENTPHENIXdev_5240
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION108543particles selected by manual picking of fibril start and end points