8BER

Hepatitis B virus core antigen (HBc) with the insertion of four external domains of the influenza A M2 protein (HBc/4M2e) with T=3 topology


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d4.4845
f_angle_d0.5933
f_chiral_restr0.041
f_plane_restr0.0044
f_bond_d0.0028
Sample
Hepatitis B virus core antigen (HBc) with the insertion of four external domains of the influenza A M2 protein (T=3)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles4757
Reported Resolution (Å)4
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeFEI FALCON II (4k x 4k)
Electron Dose (electrons/Å**2)60
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1200
Maximum Defocus (nm)3000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS0.05
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 SELECTIONWarp
IMAGE ACQUISITIONEPU1.9
CTF CORRECTIONWarp
INITIAL EULER ASSIGNMENTRELION
FINAL EULER ASSIGNMENTcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION