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Local refinement of cryo-EM structure of the interface of the Omicron RBD in complex with antibodies B-182.1 and A19-46.1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 5.505 f_angle_d 0.824 f_chiral_restr 0.049 f_bond_d 0.019 f_plane_restr 0.008
Sample Ternary complex of SARS-CoV-2 Omicron RBD in complex with antibodies B1-182.1 and A19-46.1
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Blot for 2-3.5 seconds before plugging.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 46244 Reported Resolution (Å) 4.8 Resolution Method FSC 0.5 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 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) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 Maximum Defocus (nm) 2500 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 105000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 3 CTF CORRECTION cryoSPARC 3 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 46244 SARS-CoV-2 receptor-binding domain in complex with antibodies B1-182.1 and A19-46.1