7PNQ

Human coronavirus OC43 spike glycoprotein ectodomain in complex with the 43E6 antibody Fab fragment


ELECTRON MICROSCOPY

Starting Model(s)

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

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d5.8313
f_angle_d0.6294
f_chiral_restr0.0494
f_plane_restr0.0058
f_bond_d0.003
Sample
Human coronavirus OC43 spike glycoprotein ectodomain in complex with the 43E6 antibody Fab fragment
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles53157
Reported Resolution (Å)3.7
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (6NZK)
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON III (4k x 4k)
Electron Dose (electrons/Å**2)52
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2600
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification75000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsA 30 degree stage tilt was employed during data collection to increase the number of side views visualised due to preferential orientation.
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0.1
IMAGE ACQUISITIONEPU
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTPHENIX
INITIAL EULER ASSIGNMENTRELION3.0.1
FINAL EULER ASSIGNMENTRELION3.1.1
CLASSIFICATIONRELION3.1.1
RECONSTRUCTIONRELION3.1.1
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION349851