8IOV

Structure of SARS-CoV-2 XBB.1 spike RBD in complex with ACE2


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 8GS6 
experimental modelPDB 7XB0 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.6861
f_angle_d0.5178
f_chiral_restr0.0575
f_plane_restr0.0033
f_bond_d0.0022
Sample
SARS-COV-2 XBB spike glycoprotein in complex with ACE2
Sample Components
Angiotensin-converting enzyme 2
SARS-CoV-2 XBB.1 spike glycoprotein
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblotting time 5 s and blotting force 5.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles153882
Reported Resolution (Å)3.29
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (8GS6, 7XB0)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)50.4
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)1800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC4.1.2
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC4.1.2
MODEL FITTINGUCSF Chimera1.15
INITIAL EULER ASSIGNMENTcryoSPARC4.1.2
FINAL EULER ASSIGNMENTcryoSPARC4.1.2
CLASSIFICATIONcryoSPARC4.1.2
RECONSTRUCTIONcryoSPARC4.1.2
MODEL REFINEMENTPHENIX1.20
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1630799