6PW6

The HIV-1 Envelope Glycoprotein Clone BG505 SOSIP.664 in Complex with Three Copies of the Bovine Broadly Neutralizing Antibody, NC-Cow1, Fragment Antigen Binding Domain


ELECTRON MICROSCOPY

Refinement

RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d6.101
f_angle_d0.977
f_chiral_restr0.062
f_bond_d0.007
f_plane_restr0.006
Sample
A complex of the HIV-1 Envelope Glycoprotein clone BG505 SOSIP.664 and 3 copies of the bovine Fab NC-Cow1
Sample Components
Envelope Glycoprotein clone BG505 SOSIP.664
bovine Fab NC-Cow1
Specimen Preparation
Sample Aggregation StatePARTICLE
Vitrification InstrumentFEI VITROBOT MARK IV
Cryogen NameETHANE
Sample Vitrification Details
3D Reconstruction
Reconstruction MethodSINGLE PARTICLE
Number of Particles21427
Reported Resolution (Å)4.5
Resolution MethodFSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry TypePOINT
Point SymmetryC3
Map-Model Fitting and Refinement
Id1 (5CEZ)
Refinement SpaceREAL
Refinement ProtocolFLEXIBLE FIT
Refinement Target
Overall B Value
Fitting Procedure
Details
Data Acquisition
Detector TypeGATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)64
Imaging Experiment1
Date of Experiment
Temperature (Kelvin)
Microscope ModelFEI TALOS ARCTICA
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging ModeBRIGHT FIELD
Specimen Holder ModelFEI TITAN KRIOS AUTOGRID HOLDER
Nominal Magnification
Calibrated Magnification
SourceFIELD EMISSION GUN
Acceleration Voltage (kV)200
Imaging Details
EM Software
TaskSoftware PackageVersion
IMAGE ACQUISITIONLeginon
CTF CORRECTIONGctf2
MODEL FITTINGUCSF Chimera1.12
INITIAL EULER ASSIGNMENTRELION2
FINAL EULER ASSIGNMENTRELION
CLASSIFICATIONRELION2
RECONSTRUCTIONRELION2
MODEL REFINEMENTPHENIX1.13
Image Processing
CTF Correction TypeCTF Correction DetailsNumber of Particles SelectedParticle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION