7Y6K

Cryo-EM structure of SARS-CoV-2 receptor binding domain in complex with K202.B bispecific antibody


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.8972
f_angle_d0.6568
f_chiral_restr0.0453
f_plane_restr0.0054
f_bond_d0.0043
Sample
Cryo-EM structure of SARS-CoV-2 receptor binding domain in complex with K202.B bispecific antibody
Sample Components
SARS-CoV-2 receptor binding domain
K202.B, bispecific antibody
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles182595
Reported Resolution (Å)3.34
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (7VXM, 7D85, 2A9N)
Refinement Space
Refinement ProtocolAB INITIO MODEL
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON IV (4k x 4k)
Electron Dose (electrons/Å**2)45
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)600
Maximum Defocus (nm)2700
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC
IMAGE ACQUISITIONEPU
CTF CORRECTIONcryoSPARC
MODEL FITTINGPHENIX1.20.1
FINAL EULER ASSIGNMENTcryoSPARC
RECONSTRUCTIONcryoSPARC
MODEL REFINEMENTPHENIX1.20.1
MODEL REFINEMENTCoot0.9.8.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING ONLY1086347