ELECTRON MICROSCOPY

Sample

Paired helical tau filament

Specimen Preperation
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) 3.0
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type HELICAL
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/Å2) 57.79
Imaging Experiment
Date of Experiment ?
Temprature (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 ?
Imaging Experiment
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 ?