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Cryo-EM structure of SARS-CoV-2 Omicron BA.1 spike protein in complex with mouse ACE2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7XD7
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.772 f_angle_d 0.608 f_chiral_restr 0.047 f_plane_restr 0.005 f_bond_d 0.003
Sample Complex of SARS-CoV-2 Omicron BA.1 spike protein with mouse ACE2 Sample Components SARS-CoV-2 Omicron BA.1 spike protein mouse ACE2
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 503967 Reported Resolution (Å) 2.66 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7XD7) Refinement Space REAL Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 60
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 1000 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 81000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version CTF CORRECTION CTFFIND 4.0 MODEL FITTING UCSF Chimera 15.0 MODEL REFINEMENT PHENIX MODEL REFINEMENT Coot RECONSTRUCTION cryoSPARC 3.3.1
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION