ELECTRON MICROSCOPY

Sample

Severe acute respiratory syndrome coronavirus 2 spike protein in complex with nanobody W25

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details 1s blotting time
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 132634
Reported Resolution (Å) 5.92
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 OTHER
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 60
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 500
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2
Imaging Mode OTHER
Specimen Holder Model ?
Nominal Magnification 31000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 3.0.7
IMAGE ACQUISITION Leginon ?
CTF CORRECTION CTFFIND 4
MODEL FITTING PHENIX 1.19.2-4158
INITIAL EULER ASSIGNMENT RELION 3.0.7
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 ?