7NTC

Trimeric SARS-CoV-2 spike ectodomain bound to P008_056 Fab


ELECTRON MICROSCOPY

Starting Model(s)

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

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d6.6
f_angle_d0.552
f_chiral_restr0.046
f_bond_d0.004
f_plane_restr0.004
Sample
Stabilised SARS-CoV-2 spike ectodomain trimer bound to one P008_056 Fab
Sample Components
Stabilised SARS-CoV-2 spike ectodomain trimer
P008_056 Fab
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles78291
Reported Resolution (Å)3.6
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (6ZGE)
Refinement SpaceREAL
Refinement ProtocolOTHER
Refinement Target
Overall B Value
Fitting Procedure
Detailsin addition to the spike: 6APC and 6PHB were used as templates for the heavy and light chains of the Fab respectively
Data Acquisition
Detector TypeGATAN K2 QUANTUM (4k x 4k)
Electron Dose (electrons/Å**2)51
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
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
MODEL FITTINGUCSF Chimera
RECONSTRUCTIONcryoSPARC2
MODEL REFINEMENTPHENIX1.19rc5-4047
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION