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Symmetry-expanded and locally refined protomer structure of IPEC-J2 cell-derived PEDV PT52 S with a CTD-close conformation
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 7.7224 f_angle_d 0.4997 f_chiral_restr 0.0437 f_plane_restr 0.0035 f_bond_d 0.0025
Sample recombinant Porcine epidemic diarrhea virus (strain Pintung 52) 2P Spike
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 171864 Reported Resolution (Å) 3.2 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 Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 55.4
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 3000 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 64000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION EPU IMAGE ACQUISITION RELION 3.1 IMAGE ACQUISITION cryoSPARC 3.1 CTF CORRECTION CTFFIND 4.1 MODEL FITTING Coot 0.9.4 MODEL REFINEMENT PHENIX 1.19.2 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT cryoSPARC 3.1 RECONSTRUCTION cryoSPARC 3.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 337583