5O5P

Poliovirus type 3 (strain Saukett) stabilized virus-like particle in complex with the pocket factor compound GPP3


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d9.41
f_angle_d0.785
f_chiral_restr0.053
f_plane_restr0.007
f_bond_d0.006
Sample
Human poliovirus 3
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK I
Cryogen NameETHANE
Sample Vitrification DetailsBlot for 4 seconds before plunging.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles2060
Reported Resolution (Å)4.1
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement TargetCross-correlation coefficient
Overall B Value
Fitting Procedure
Detailsphenix.real_space_refine was used to refine the atomic model in the cryo-em map.
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.2
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI POLARA 300
Minimum Defocus (nm)800
Maximum Defocus (nm)2800
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2
Imaging ModeBRIGHT FIELD
Specimen Holder ModelGATAN 910 MULTI-SPECIMEN SINGLE TILT CRYO TRANSFER HOLDER
Nominal Magnification
Calibrated Magnification37037
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging DetailsPreliminary grid screening was performed.
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONETHAN1.2
IMAGE ACQUISITIONSerialEM
CTF CORRECTIONRELION1.3
MODEL FITTINGUCSF Chimera1.12
INITIAL EULER ASSIGNMENTRELION1.3
FINAL EULER ASSIGNMENTRELION1.3
CLASSIFICATIONRELION1.3
RECONSTRUCTIONRELION1.3
MODEL REFINEMENTPHENIX1.12rc0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTIONCTF parameters were estimated using CTFFIND3 as part of RELION 1.3.6639Automated particle picking (ETHAN) was followed by manual cleaning (EMAN2).