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Structure of the SARS-CoV-2 BA.2.86 spike glycoprotein (closed state)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8IOT
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 6.4725 f_angle_d 0.5771 f_chiral_restr 0.0484 f_bond_d 0.0052 f_plane_restr 0.0042
Sample SARS-CoV-2 BA.2.86 spike glycoprotein
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blotting time 5 s and blotting force 5.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 91823 Reported Resolution (Å) 2.59 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 (8IOT) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 52.45
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 1800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC 4.1.3 CTF CORRECTION cryoSPARC 4.1.3 MODEL FITTING UCSF Chimera 1.16 MODEL REFINEMENT Coot 0.9.8.7 MODEL REFINEMENT PHENIX 1.20.1 INITIAL EULER ASSIGNMENT cryoSPARC 4.1.3 FINAL EULER ASSIGNMENT cryoSPARC 4.1.3 CLASSIFICATION cryoSPARC 4.1.3 RECONSTRUCTION cryoSPARC 4.1.3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1156425