6HCR

Synthetic Self-assembling ADDomer Platform for Highly Efficient Vaccination by Genetically-encoded Multi-epitope Display


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4AR2 
Sample
ADDomer: An engineered viral like particle derived from penton base protein of Human adenovirus B3 (Ad3).
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentLEICA EM GP
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles1758
Reported Resolution (Å)3.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryI
Map-Model Fitting and Refinement
Id1 (4AR2)
Refinement SpaceREAL
Refinement ProtocolBACKBONE TRACE
Refinement Target
Overall B Value
Fitting Procedure
DetailsThe model was adjusted to fit into the map manually using COOT before further iterative positional and B-factor refinement in real space using Phenix ...The model was adjusted to fit into the map manually using COOT before further iterative positional and B-factor refinement in real space using Phenix Real-Space refinement software. Final adjustments were carried out in COOT.
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)1.3125
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)800
Maximum Defocus (nm)3200
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder Model
Nominal Magnification130000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION2.1
IMAGE ACQUISITIONRELION2.2
CTF CORRECTIONCTFFIND4.1
MODEL FITTINGCoot0.8.9
INITIAL EULER ASSIGNMENTRELION2.1
FINAL EULER ASSIGNMENTRELION2.1
CLASSIFICATIONRELION2.1
RECONSTRUCTIONRELION2.1
MODEL REFINEMENTPHENIX1.13
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION