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CryoEM structure of F-actin bound with GAS2-CH3 domain.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details in silico model AlphaFold AF-P11862-F1
Sample Complex of F-actin with GAS2-CH3 domain
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details The grid was blotted for 4 s at force 10 and plunged into ethane immediately.
3D Reconstruction Reconstruction Method HELICAL Number of Particles 412176 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 27.7445 Angular Rotation -166.55
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 111 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 48.93
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2400 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 4.0b IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND 4.1 MODEL FITTING MDFF INITIAL EULER ASSIGNMENT RELION 4.0b FINAL EULER ASSIGNMENT RELION 4.0b CLASSIFICATION RELION 4.0b RECONSTRUCTION RELION 4.0b MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION CTF amplitude correction was performed following 3D reconstruction. 632290