ELECTRON MICROSCOPY

Sample

SARS-CoV-2 spike ectodomain (HexaPro, Omicron BA.2 variant) in complex with CeSPIACE

Specimen Preperation
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 111423
Reported Resolution (Å) 4.9
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol RIGID BODY FIT
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 69.6
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model JEOL CRYO ARM 300
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 3.4
Imaging Mode BRIGHT FIELD
Specimen Holder Model JEOL 3200FSC CRYOHOLDER
Nominal Magnification ?
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Topaz ?
IMAGE ACQUISITION SerialEM 3.8.9
CTF CORRECTION CTFFIND ?
MODEL FITTING UCSF Chimera ?
MODEL FITTING UCSF ChimeraX ?
MODEL REFINEMENT Coot ?
INITIAL EULER ASSIGNMENT RELION 4.0
FINAL EULER ASSIGNMENT RELION 4.0
RECONSTRUCTION RELION 4.0
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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