6CS2

SARS Spike Glycoprotein - human ACE2 complex, Stabilized variant, all ACE2-bound particles


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5I08 
experimental modelPDB 5X4S 
experimental modelPDB 2AJF 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d8.5795342418
f_angle_d0.923505177861
f_chiral_restr0.0539077518372
f_plane_restr0.00643961437713
f_bond_d0.0060925338425
Sample
SARS Spike Glycoprotein - ACE2 complex
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles66771
Reported Resolution (Å)4.4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (5I08, 5I08, 5X4S, 2AJF, 2AJF)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)65
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification29000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONLeginon
CTF CORRECTIONGctf1.06
MODEL FITTINGCoot0.8.2
INITIAL EULER ASSIGNMENTRELION2.1
FINAL EULER ASSIGNMENTRELION2.1
CLASSIFICATIONRELION2.1
RECONSTRUCTIONRELION2.1
MODEL REFINEMENTPHENIX1.12
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION