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Cryo-EM structure of spike protein of feline infectious peritonitis virus strain UU4
Sample Feline Infectious Peritonitis Virus Spike Protein
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blot for 3 seconds before plunging; blot force: 0; waiting time: 10s
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 102586 Reported Resolution (Å) 3.31 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 1.5
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION IMAGE ACQUISITION EPU CTF CORRECTION cisTEM CTF CORRECTION RELION INITIAL EULER ASSIGNMENT cisTEM INITIAL EULER ASSIGNMENT RELION FINAL EULER ASSIGNMENT cisTEM FINAL EULER ASSIGNMENT RELION RECONSTRUCTION cisTEM
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 442004