7UPL

ELECTRON MICROSCOPY

Sample

SARS-Cov2 Spike trimer in complex with monoclonal antibody

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Wait time 20 seconds and blot time 3 seconds
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 108816
Reported Resolution (Å) 4.1
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 Correlation coefficient
Overall B Value 140
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 51
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 1000
Maximum Defocus (nm) 2400
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 79000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
CTF CORRECTION cryoSPARC 3.3.1
MODEL FITTING UCSF ChimeraX ?
FINAL EULER ASSIGNMENT cryoSPARC 3.3.1
CLASSIFICATION cryoSPARC 3.3.1
RECONSTRUCTION cryoSPARC 3.3.1
MODEL REFINEMENT PHENIX ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?