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SARS-CoV-2 Spike protein Beta Variant at 4C structural flexibility / heterogeneity analyses
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7VX1
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 3.57 f_angle_d 1.427 f_chiral_restr 0.082 f_plane_restr 0.008 f_bond_d 0.007
Sample SARS-CoV-2 Spike protein Beta Variant at 4C
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 479908 Reported Resolution (Å) 2.8 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7VX1) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1500 Maximum Defocus (nm) 2200 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 81000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC CTF CORRECTION CTFFIND CTF CORRECTION Gctf MODEL FITTING UCSF Chimera MODEL FITTING Coot MODEL FITTING PHENIX INITIAL EULER ASSIGNMENT cryoSPARC MODEL REFINEMENT Coot MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE