6JX7

Cryo-EM structure of spike protein of feline infectious peritonitis virus strain UU4


ELECTRON MICROSCOPY
Sample
Feline Infectious Peritonitis Virus Spike Protein
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Detailsblot for 3 seconds before plunging; blot force: 0; waiting time: 10s
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles102586
Reported Resolution (Å)3.31
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1
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)1.5
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)
Maximum Defocus (nm)
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)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION
IMAGE ACQUISITIONEPU
CTF CORRECTIONcisTEM
CTF CORRECTIONRELION
INITIAL EULER ASSIGNMENTcisTEM
INITIAL EULER ASSIGNMENTRELION
FINAL EULER ASSIGNMENTcisTEM
FINAL EULER ASSIGNMENTRELION
RECONSTRUCTIONcisTEM
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION442004