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Cryo-EM structure of SARS-CoV-2 Omicron BA.2 spike protein in complex with human ACE2
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.4165 f_angle_d 0.823 f_chiral_restr 0.0544 f_plane_restr 0.0069 f_bond_d 0.0045
Sample SARS-CoV-2 Omicron BA.2 spike protein in complex with human ACE2 Sample Components SARS-CoV-2 Omicron BA.2 spike protein human ACE2
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 250252 Reported Resolution (Å) 2.51 Resolution Method FSC 0.143 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 FEI FALCON IV (4k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 2000 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) 300 Imaging Details
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION