7SN3

Structure of human SARS-CoV-2 spike glycoprotein trimer bound by neutralizing antibody C1C-A3 Fab (variable region)


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d8.362
f_angle_d1.083
f_chiral_restr0.066
f_plane_restr0.012
f_bond_d0.009
Sample
SARS-CoV-2 spike protein trimer in complex with human patient antibody C1C-A3 Fab
Sample Components
SARS-CoV-2 spike protein
C1C-A3 Fab (variable region)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblotting time 4-6 seconds
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles344920
Reported Resolution (Å)3.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Targetcorrelation coefficient
Overall B Value77.28
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 BIOQUANTUM (6k x 4k)
Electron Dose (electrons/Å**2)56.6
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
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 Magnification105000
Calibrated Magnification60606
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsCs-corrected, energy filtered
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcrYOLO1.7.6
IMAGE ACQUISITIONSerialEM3.8
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGUCSF Chimera1.13.1
MODEL REFINEMENTPHENIX1.19-4080
INITIAL EULER ASSIGNMENTRELION3.1.2
FINAL EULER ASSIGNMENTcryoSPARC2.14.2
CLASSIFICATIONcryoSPARC2.14.2
RECONSTRUCTIONcryoSPARC2.14.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
NONE1296929