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Cryo-EM structure of the cofilactin barbed end bound by two AIP1 molecules
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 9QFJ in silico model AlphaFold O75083
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 8.4772 f_angle_d 0.5034 f_chiral_restr 0.0443 f_plane_restr 0.0033 f_bond_d 0.0021
Sample Cofilactin barbed end bound by two AIP1 molecules Sample Components Actin filament Cofilin-1 AIP1
Specimen Preparation Sample Aggregation State FILAMENT Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 23577 Reported Resolution (Å) 3.16 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (9QFJ) 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) 71.7
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 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION crYOLO 1.9 IMAGE ACQUISITION EPU CTF CORRECTION cryoSPARC 4.4 MODEL FITTING UCSF ChimeraX 1.8 MODEL FITTING Coot 0.9.8.1 MODEL REFINEMENT PHENIX 1.21rc1_5015 INITIAL EULER ASSIGNMENT cryoSPARC 4.4 FINAL EULER ASSIGNMENT cryoSPARC 4.4 CLASSIFICATION cryoSPARC 4.4 RECONSTRUCTION cryoSPARC 4.4
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 3916837