8BQW

Cryo-EM structure of alpha-synuclein filaments doublet from Juvenile-onset synucleinopathy


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_refined8.809
r_long_range_B_other8.805
r_dihedral_angle_3_deg8.423
r_dihedral_angle_1_deg6.289
r_scangle_other4.992
r_mcangle_it4.112
r_mcangle_other4.11
r_scbond_it2.918
r_scbond_other2.915
r_mcbond_it2.433
RMS Deviations
KeyRefinement Restraint Deviation
r_long_range_B_refined8.809
r_long_range_B_other8.805
r_dihedral_angle_3_deg8.423
r_dihedral_angle_1_deg6.289
r_scangle_other4.992
r_mcangle_it4.112
r_mcangle_other4.11
r_scbond_it2.918
r_scbond_other2.915
r_mcbond_it2.433
r_mcbond_other2.433
r_angle_refined_deg0.783
r_angle_other_deg0.284
r_chiral_restr0.034
r_bond_refined_d0.003
r_gen_planes_refined0.003
r_gen_planes_other0.001
r_bond_other_d
r_dihedral_angle_2_deg
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Sample
Alpha-synuclein doublet filament extracted from the human brain with JOS
Specimen Preparation
Sample Aggregation StateFILAMENT
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles45038
Reported Resolution (Å)2.3
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC2
Axial Rise4.71
Angular Rotation-1.11
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Detailsservalcat
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)40
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)1400
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
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION
IMAGE ACQUISITIONEPU
CTF CORRECTIONRELION
MODEL FITTINGCoot
INITIAL EULER ASSIGNMENTRELION4.0
FINAL EULER ASSIGNMENTRELION
CLASSIFICATIONRELION
RECONSTRUCTIONRELION4.0
MODEL REFINEMENTREFMAC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION