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Cryo-EM structure of recombinant R254H ACTA1 phalloidin-stabilized F-actin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6T1Y
Sample Cryo-EM structure of recombinant R256H ACTA1 phalloidin-stabilized F-actin Sample Components R256H ACTA1 F-actin phalloidin
Specimen Preparation Sample Aggregation State HELICAL ARRAY Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 810328 Reported Resolution (Å) 3.3 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 27.557 Angular Rotation -167.181
Map-Model Fitting and Refinement Id 1 (6T1Y) Refinement Space RECIPROCAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 55.3
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 120000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3.4 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 3.4 MODEL FITTING Coot 0.9.8.92 INITIAL EULER ASSIGNMENT cryoSPARC 3.4 FINAL EULER ASSIGNMENT cryoSPARC 3.4 CLASSIFICATION cryoSPARC 3.4 RECONSTRUCTION cryoSPARC 3.4 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Actin filaments were automatically picked from the micrographs using template based 'Filament tracer' in CryoSPARC