6X98

Cryo-EM model of HIV-1 Env BG505 SOSIP.664 in complex with rabbit monoclonal antibody 11B fragment antigen binding variable domain


ELECTRON MICROSCOPY

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 5CEZ 
Sample
HIV-1 Env BG505 SOSIP.664 in complex with rabbit monoclonal antibody 11B fragment antigen binding
Sample Components
HIV-1 Env BG505 SOSIP.664
rabbit monoclonal antibody 11B fragment antigen
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles96896
Reported Resolution (Å)3.38
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (5CEZ)
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)65
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)1000
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
PARTICLE SELECTIONDoG Picker
PARTICLE SELECTIONcryoSPARC
IMAGE ACQUISITIONLeginon
CTF CORRECTIONGctf1.06
MODEL FITTINGUCSF Chimera
MODEL REFINEMENTRosetta2020.03.61102
INITIAL EULER ASSIGNMENTcryoSPARC2
FINAL EULER ASSIGNMENTcryoSPARC2
CLASSIFICATIONcryoSPARC2
RECONSTRUCTIONcryoSPARC2
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION