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Cryo-EM structure of the fully Coronin-1B-decorated actin filament in the ADP state.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9QF2
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.8588 f_angle_d 0.4367 f_chiral_restr 0.0429 f_plane_restr 0.0033 f_bond_d 0.0015
Sample Beta-actin filament fully decorated by Coronin-1B. Sample Components Actin filament Coronin-1B
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method HELICAL Number of Particles 190940 Reported Resolution (Å) 2.74 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type HELICAL Axial Symmetry C1 Axial Rise 27.4 Angular Rotation -163.8
Map-Model Fitting and Refinement Id 1 (9QF2) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details Phenix real space refinement.
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 65.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1200 Maximum Defocus (nm) 2700 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 0.01 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.4 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.4 MODEL FITTING Coot 0.9.8.1 MODEL FITTING UCSF ChimeraX 1.8 INITIAL EULER ASSIGNMENT cryoSPARC 4.4 FINAL EULER ASSIGNMENT cryoSPARC 4.4 CLASSIFICATION cryoSPARC 4.4 RECONSTRUCTION cryoSPARC 4.4 MODEL REFINEMENT PHENIX 1.21rc1_5015
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION Patch CTF 10071093