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STRUCTURE OF CD4 MIMETIC CJF-III-288 IN COMPLEX WITH BG505 SOSIP.664 HIV-1ENV TRIMER AND 17B FAB
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7LOK
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 9.211 f_angle_d 0.685 f_chiral_restr 0.045 f_bond_d 0.004 f_plane_restr 0.004
Sample Complex of BG505 SOSIP.664 Env trimer with CJF-III-288 and three bound 17b FABS. Sample Components BG505 SOSIP.664 Env trimer 17b Fab
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 1087694 Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7LOK) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 54.2
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2700 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 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC MODEL FITTING UCSF ChimeraX RECONSTRUCTION cryoSPARC MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION