7M7B

SARS-CoV-2 Spike:Fab 3D11 complex focused refinement


ELECTRON MICROSCOPY
Sample
SARS-CoV-2 Spike protein trimer in complex with Fab 3D11
Sample Components
SARS-CoV-2 Spike protein trimer
Fab 3D11
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details8-10 seconds, blot force 0
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles197150
Reported Resolution (Å)2.95
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7A94)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)67.7
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)500
Maximum Defocus (nm)1500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification105000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2.15.0
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONcryoSPARC2.15.0
MODEL FITTINGISOLDE1.0
INITIAL EULER ASSIGNMENTcryoSPARC2.15.0
FINAL EULER ASSIGNMENTcryoSPARC3.1.0
CLASSIFICATIONcryoSPARC2.15.0
RECONSTRUCTIONcryoSPARC3.1.0
MODEL REFINEMENTISOLDE1.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1890759