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Cryo-EM structure of mammalian Thorase filament, 3-layer refinement
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold AF-Q8NBU5-F1_v4
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 9.468 f_angle_d 0.659 f_chiral_restr 0.076 f_plane_restr 0.005 f_bond_d 0.003
Sample Thorase filament Sample Components Thorase monomer
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blotting time of 3.0 s, blotting force of 5
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 75556 Reported Resolution (Å) 4.25 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C2
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 750 Maximum Defocus (nm) 2000 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 46296 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION Latitude CTF CORRECTION RELION MODEL FITTING ISOLDE MODEL REFINEMENT PHENIX 1.20.1_4487: INITIAL EULER ASSIGNMENT RELION FINAL EULER ASSIGNMENT RELION CLASSIFICATION RELION RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2105264