6MPG

Cryo-EM structure at 3.2 A resolution of HIV-1 fusion peptide-directed antibody, A12V163-b.01, elicited by vaccination of Rhesus macaques, in complex with stabilized HIV-1 Env BG505 DS-SOSIP, which was also bound to antibodies VRC03 and PGT122

ELECTRON MICROSCOPY

Sample
A12V163-b.01 Fab bound to HIV-1 Env BG505 DS-SOSIP-VRC03 Fab- PGT122 Fab
Sample Components
A12V163-b.01
Envelope glycoprotein gp41
Envelope glycoprotein gp120
PGT122
VRC03

Specimen Preparation
Sample Aggregation State	PARTICLE
Vitrification Instrument	SPOTITON
Cryogen Name	ETHANE
Sample Vitrification Details

3D Reconstruction
Reconstruction Method	SINGLE PARTICLE
Number of Particles	138170
Reported Resolution (Å)	3.2
Resolution Method	FSC 0.143 CUT-OFF
Other Details
Refinement Type
Symmetry Type	POINT
Point Symmetry	C3

Data Acquisition
Detector Type	GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å**2)	1.75

Imaging Experiment	1
Date of Experiment
Temperature (Kelvin)
Microscope Model	FEI TITAN KRIOS
Minimum Defocus (nm)
Maximum Defocus (nm)
Minimum Tilt Angle (degrees)
Maximum Tilt Angle (degrees)
Nominal CS
Imaging Mode	BRIGHT FIELD
Specimen Holder Model
Nominal Magnification
Calibrated Magnification
Source	FIELD EMISSION GUN
Acceleration Voltage (kV)	300
Imaging Details

EM Software
Task	Software Package	Version
PARTICLE SELECTION	DoG Picker
IMAGE ACQUISITION	Leginon
CTF CORRECTION	Gctf
INITIAL EULER ASSIGNMENT	cryoSPARC
FINAL EULER ASSIGNMENT	cryoSPARC
CLASSIFICATION	cryoSPARC
RECONSTRUCTION	cryoSPARC

Image Processing
CTF Correction Type	CTF Correction Details	Number of Particles Selected	Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.