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Cryo-EM structure of SARS-CoV-2 spike protein in complex with human neutralizing antibody WRAIR-2008 (focused refinement of NTD and WRAIR-2008)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6GZE
Sample WRAIR-2008 antibody Fab bound to the N-terminal domain of the spike glycoprotein (focused refinement)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 889371 Reported Resolution (Å) 3.89 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (6gze) 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) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model JEOL CRYO ARM 200 Minimum Defocus (nm) 100 Maximum Defocus (nm) 3200 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) 200 Imaging Details
EM Software Task Software Package Version IMAGE ACQUISITION SerialEM MODEL FITTING UCSF ChimeraX 1.5 RECONSTRUCTION cryoSPARC 4.4.0 MODEL REFINEMENT ISOLDE MODEL REFINEMENT Coot
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION