6NC3

AMC011 v4.2 SOSIP Env trimer in complex with fusion peptide targeting antibody VRC34 fragment antigen binding


ELECTRON MICROSCOPY
Sample
Complex of AMC011 v4.2 SOSIP trimer and VRC34.01 fragment antigen binding
Sample Components
HIV-1 Env AMC011 v4.2 SOSIP gp120
HIV-1 Env AMC011 v4.2 SOSIP gp41
VRC34.01
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles35611
Reported Resolution (Å)4.5
Resolution MethodFSC 0.143 CUT-OFF
Other DetailsPostprocessing performed in Relion 2.1
Refinement Type
Symmetry TypePOINT
Point SymmetryD3
Map-Model Fitting and Refinement
Id1
Refinement SpaceREAL
Refinement Protocol
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)56
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TITAN KRIOS
Minimum Defocus (nm)700
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
IMAGE ACQUISITIONLeginon
CTF CORRECTIONGctf1.06
MODEL REFINEMENTRosetta3.10
INITIAL EULER ASSIGNMENTcryoSPARC
FINAL EULER ASSIGNMENTcryoSPARC
CLASSIFICATIONcryoSPARC
RECONSTRUCTIONcryoSPARC
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION