ELECTRON MICROSCOPY

Sample

Ternary complex of SARS-CoV-2 S 6P trimer with human neutralizing antibody Fab fragment C144

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details 3s blot
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 212876
Reported Resolution (Å) 3.24
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 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å2) 60
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TALOS ARCTICA
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2000
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 45000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION SerialEM 3.8
CTF CORRECTION cryoSPARC 2.15
MODEL FITTING UCSF Chimera 1.13
INITIAL EULER ASSIGNMENT cryoSPARC 2.15
FINAL EULER ASSIGNMENT cryoSPARC 2.15
CLASSIFICATION cryoSPARC 2.15
RECONSTRUCTION cryoSPARC 2.15
MODEL REFINEMENT PHENIX 1.18
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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