7TOZ

Delta (B.1.617.2) SARS-CoV-2 variant spike protein (S-GSAS-Delta) in the 3-RBD-down conformation; Subclassification D7 state


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7KDK 

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.941
f_angle_d1.825
f_chiral_restr0.1
f_plane_restr0.018
f_bond_d0.013
Sample
Delta (B.1.617.2) SARS-CoV-2 variant spike protein (S-GSAS-Delta) in the 3-RBD-down conformation; Subclassification D7 state
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification Instrument
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles55198
Reported Resolution (Å)4.07
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Map-Model Fitting and Refinement
Id1 (7KDK)
Refinement Space
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)55
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)750
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
MODEL FITTINGCoot
MODEL FITTINGUCSF ChimeraX
MODEL REFINEMENTISOLDE
MODEL REFINEMENTUCSF ChimeraX
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION