8ANW

Poliovirus type 3 (strain Saukett) stabilised virus-like particle (PV3 SC8).


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d11.589
f_angle_d0.485
f_chiral_restr0.043
f_plane_restr0.004
f_bond_d0.002
Sample
Human poliovirus 3
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE-PROPANE
Sample Vitrification DetailsDouble blotting with 4 ul of sample, followed by 4 second blot, before plunging.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles2712
Reported Resolution (Å)2.7
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsFinal reconstruction was sharpened with Post-processing in RELION using an inverse B-factor of -69.1 Angstroms.
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (6Z6W)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCorrelation coefficient
Overall B Value
Fitting Procedure
DetailsInitial model was rigid body fitted using UCSF chimera and Coot. Global minimization and B-factor refinement was performed in real space using pheni ...Initial model was rigid body fitted using UCSF chimera and Coot. Global minimization and B-factor refinement was performed in real space using phenix_real.space.refine.
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)35
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)900
Maximum Defocus (nm)2400
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification165000
Calibrated Magnification60975
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONcrYOLO1.5.6
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONCTFFIND4.0
MODEL FITTINGUCSF Chimera1.14
INITIAL EULER ASSIGNMENTRELION3.1.1
FINAL EULER ASSIGNMENTRELION3.1.1
CLASSIFICATIONRELION3.1.1
RECONSTRUCTIONRELION3.1.1
MODEL REFINEMENTPHENIX1.19.2-4158-000
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION10744