8C0Y

SARS-CoV2 Omicron BA.1 RBD in complex with CAB-A17 antibody


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7KSG 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.565
f_angle_d0.498
f_chiral_restr0.042
f_plane_restr0.007
f_bond_d0.002
Sample
SARS-CoV2 Omicron BA.1 Spike in complex with CAB-A17 antibody
Sample Components
SARS-CoV-2 Omicron RBD
CAB-A17 Antibody (Fab)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles199751
Reported Resolution (Å)2.68
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7KSG)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value142
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)54.6
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)300
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification165000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONEPU2.7
CTF CORRECTIONWarp1.0.7
MODEL FITTINGCoot0.9
MODEL REFINEMENTPHENIX1.19
FINAL EULER ASSIGNMENTcryoSPARC3.3.1
CLASSIFICATIONcryoSPARC3.3.1
RECONSTRUCTIONcryoSPARC3.3.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION