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HCMV postfusion gB in complex with SM5-1 Fab
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 5CXF
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 4.497 f_angle_d 0.604 f_chiral_restr 0.044 f_bond_d 0.004 f_plane_restr 0.004
Sample HCMV postfusion gB in complex with a neutralizing antibody Fab SM5-1 Sample Components Envelope glycoprotein B SM5-1 Fab antibody heavy chain, SM5-1 Fab antibody light chain
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK II Cryogen Name ETHANE Sample Vitrification Details 4 second, -2 force
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 198170 Reported Resolution (Å) 3.5 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C3
Map-Model Fitting and Refinement Id 1 (5CXF) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2800 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 18000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM CTF CORRECTION Gctf 1.06 MODEL FITTING Coot MODEL REFINEMENT PHENIX INITIAL EULER ASSIGNMENT RELION 2.1 beta FINAL EULER ASSIGNMENT RELION 2.1 beta CLASSIFICATION RELION 2.1 beta RECONSTRUCTION RELION 2.1 beta
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1906220 a 20 angstrom low pass filtered postfusion structure was used to generate reference images for the particle auto picking