10IJ | pdb_000010ij

S305I Frontotemporal Lobar Degeneration (FTLD) type I tau filament


ELECTRON MICROSCOPY
Sample
Filaments purified S305I FTLD individual brain tissue
Specimen Preparation
Sample Aggregation StateTISSUE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodHELICAL
Number of Particles47171
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypeHELICAL
Axial SymmetryC1
Axial Rise4.78
Angular Rotation178.6
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)46
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 Magnification105000
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION5.0.0
RECONSTRUCTIONRELION5.0.0
MODEL REFINEMENTPHENIX1.21.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION