ELECTRON MICROSCOPY

Sample

Human coronavirus OC43 spike glycoprotein ectodomain in complex with the 43E6 antibody Fab fragment

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 53157
Reported Resolution (Å) 3.7
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 ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 52
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model TFS KRIOS
Minimum Defocus (nm) 800
Maximum Defocus (nm) 2600
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 75000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details A 30 degree stage tilt was employed during data collection to increase the number of side views visualised due to preferential orientation.
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 3.0.1
IMAGE ACQUISITION EPU ?
CTF CORRECTION CTFFIND 4.1
MODEL FITTING UCSF Chimera ?
MODEL REFINEMENT PHENIX ?
INITIAL EULER ASSIGNMENT RELION 3.0.1
FINAL EULER ASSIGNMENT RELION 3.1.1
CLASSIFICATION RELION 3.1.1
RECONSTRUCTION RELION 3.1.1
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?