8F9G

HIV Env germline targeting BG505_MD64_N332-GT5 SOSIP in complex with V3-glycan polyclonal Fab isolated from immunized BG18HCgl knock-in mice


ELECTRON MICROSCOPY
Sample
HIV Env germline targeting BG505_MD64_N332-GT5 SOSIP in complex with V3-glycan polyclonal Fab isolated from immunized BG18HCgl knock-in mice V3-glycan epitope polyclonal Fab heavy chain
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles23292
Reported Resolution (Å)3.2
Resolution MethodFSC 0.143 CUT-OFF
Other Detailsnon-uniform refinement
Refinement Type
Symmetry TypePOINT
Point SymmetryC1
Map-Model Fitting and Refinement
Id1
Refinement Space
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K3 (6k x 4k)
Electron Dose (electrons/Å**2)78
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelTFS KRIOS
Minimum Defocus (nm)800
Maximum Defocus (nm)2500
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS2.7
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification29000
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)300
Imaging Details
EM Software
TaskSoftware PackageVersion
CTF CORRECTIONCTFFIND4
CLASSIFICATIONRELION3.1
RECONSTRUCTIONcryoSPARC3.2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION