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CryoEM Structure of sFab COP-3 Complex with human claudin-4 and Clostridium perfringens enterotoxin C-terminal domain
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7TDM
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.725 f_angle_d 0.626 f_chiral_restr 0.043 f_plane_restr 0.004 f_bond_d 0.002
Sample Human claudin-4/cCpE/COP-3 Complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 305927 Reported Resolution (Å) 5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7TDM, 7TDM, 7TDM, 7TDM) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value 413.26 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 39.6
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 120000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION cryoSPARC CTF CORRECTION cryoSPARC MODEL FITTING Coot 0.9 RECONSTRUCTION cryoSPARC MODEL REFINEMENT PHENIX 1.19.2-4158
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 305927