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Cryo-EM structure at 4.2 A resolution of vaccine-elicited antibody DFPH-a.15 in complex with HIV-1 Env BG505 DS-SOSIP, and antibodies VRC03 and PGT122
Sample Quaternary complex of HIV-1 Env BG505 DS-SOSIP with antibodies DFPH-a.15, VRC03 and PGT122. Sample Components Envelope glycoprotein gp120 DFPH-a.15 Envelope glycoprotein gp41 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 56291 Reported Resolution (Å) 4.2 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 69.98
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification 22500 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION Leginon 3.3 CTF CORRECTION Gctf MODEL FITTING Coot MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT cryoSPARC 0.6.5 FINAL EULER ASSIGNMENT cryoSPARC 2.0 CLASSIFICATION cryoSPARC RECONSTRUCTION cryoSPARC
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 339315