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Cryo-EM structure of the CapZ-capped barbed end of F-actin
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 14.094 f_angle_d 0.668 f_chiral_restr 0.049 f_plane_restr 0.006 f_bond_d 0.004
Sample CapZ-capped barbed end of F-actin Sample Components CapZ (alpha and beta subunits) Actin filament
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blot force 0
Blot time 2.5 s
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 155516 Reported Resolution (Å) 2.79 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 44.7
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2500 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 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION Topaz 0.2.4 CTF CORRECTION cryoSPARC 3.3.2 MODEL FITTING Coot MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT cryoSPARC 3.3.2 FINAL EULER ASSIGNMENT cryoSPARC 3.3.2 RECONSTRUCTION cryoSPARC 4.0.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1102793 Topaz particle picking with training