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Paired helical tau filaments in dominantly inherited Alzheimer disease with cotton wool plaques
Sample Paired helical tau filament
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument GATAN CRYOPLUNGE 3 Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 20710 Reported Resolution (Å) 3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 2.38 Angular Rotation 179.46
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 57.79
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 4.0.1 IMAGE ACQUISITION EPU 3.0.0.4164 CTF CORRECTION CTFFIND 4.1 MODEL FITTING Coot 0.9.8.93 INITIAL EULER ASSIGNMENT RELION 4.0.1 FINAL EULER ASSIGNMENT RELION 4.0.1 CLASSIFICATION RELION 4.0.1 RECONSTRUCTION RELION 4.0.1 MODEL REFINEMENT PHENIX 1.21.1-5286 MODEL REFINEMENT Rosetta 3.13
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION