6X6P

Characterization of the SARS-CoV-2 S Protein: Biophysical, Biochemical, Structural, and Antigenic Analysis


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6VXX 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d13.3833
f_angle_d1.0184
f_chiral_restr0.0633
f_bond_d0.0119
f_plane_restr0.006
Sample
Severe acute respiratory syndrome coronavirus 2
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles54395
Reported Resolution (Å)3.22
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (6VXX)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCC
Overall B Value120
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)66.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2.14.2
IMAGE ACQUISITIONRELION
CTF CORRECTIONcryoSPARC2.14.2
MODEL FITTINGCoot0.8.9.2
MODEL REFINEMENTPHENIX1.18-3845
INITIAL EULER ASSIGNMENTcryoSPARC2.14.2
FINAL EULER ASSIGNMENTcryoSPARC2.14.2
CLASSIFICATIONcryoSPARC2.14.2
RECONSTRUCTIONcryoSPARC2.14.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION75582