7MY3

CryoEM structure of neutralizing nanobody Nb12 in complex with SARS-CoV2 spike


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 6XKL 
Sample
SARS-CoV2 spike in complex with nanobody Nb12
Sample Components
SARS-CoV2 spike
Nanobody Nb12
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles2775249
Reported Resolution (Å)2.9
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1 (6XKL)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)40.3
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 ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcryoSPARC2.15
IMAGE ACQUISITIONLeginon
CTF CORRECTIONcryoSPARC2.15
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTPHENIX1.18.2
FINAL EULER ASSIGNMENTcryoSPARC2.15
CLASSIFICATIONcryoSPARC2.15
RECONSTRUCTIONcryoSPARC2.15
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION1666677