7L7U

BG505 SOSIP reconstructed from a designed nanoparticle, BG505 SOSIP-T33-31 (Component B)


ELECTRON MICROSCOPY
Sample
BG505 SOSIP reconstructed from a designed nanoparticle, BG505 SOSIP-T33-31 (Component B)
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification DetailsBlotting time varied between 3 and 7 seconds.
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles64726
Reported Resolution (Å)3.8
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (6VL5)
Refinement SpaceREAL
Refinement ProtocolRIGID BODY FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)50
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)800
Maximum Defocus (nm)2000
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelOTHER
Nominal Magnification36000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
PARTICLE SELECTIONRELION3.0
IMAGE ACQUISITIONLeginon
CTF CORRECTIONRELION3.0
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTCoot
MODEL REFINEMENTRosettaEM
INITIAL EULER ASSIGNMENTRELION3.0
FINAL EULER ASSIGNMENTRELION3.0
CLASSIFICATIONRELION3.0
RECONSTRUCTIONRELION3.0
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION441476Subparticles were generated by extraction from 110,369 BG505 SOSIP-T33-31 nanoparticles (4 subparticles per 1 nanoparticle).