8JYM

Structure of the SARS-CoV-2 XBB.1.5 spike glycoprotein (closed state 2)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.345
f_angle_d0.496
f_chiral_restr0.044
f_plane_restr0.004
f_bond_d0.003
Sample
SARS-CoV-2 XBB1.5 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 Particles67040
Reported Resolution (Å)2.79
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (8IOT)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (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 CS
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 SELECTIONTopaz
CTF CORRECTIONCTFFIND4
MODEL FITTINGUCSF Chimera1.16
MODEL REFINEMENTCoot0.9.8.7
MODEL REFINEMENTPHENIX1.20.1
INITIAL EULER ASSIGNMENTRELION4.1
FINAL EULER ASSIGNMENTRELION4.1
CLASSIFICATIONcryoSPARC4.1.2
RECONSTRUCTIONcryoSPARC4.1.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1201208