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Structure of human SARS-CoV-2 spike glycoprotein trimer bound by neutralizing antibody C1C-A3 Fab (variable region)
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 8.362 f_angle_d 1.083 f_chiral_restr 0.066 f_plane_restr 0.012 f_bond_d 0.009
Sample SARS-CoV-2 spike protein trimer in complex with human patient antibody C1C-A3 Fab Sample Components SARS-CoV-2 spike protein C1C-A3 Fab (variable region)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details blotting time 4-6 seconds
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 344920 Reported Resolution (Å) 3.1 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol OTHER Refinement Target correlation coefficient Overall B Value 77.28 Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 56.6
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 105000 Calibrated Magnification 60606 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Cs-corrected, energy filtered
EM Software Task Software Package Version PARTICLE SELECTION crYOLO 1.7.6 IMAGE ACQUISITION SerialEM 3.8 CTF CORRECTION CTFFIND 4.1 MODEL FITTING UCSF Chimera 1.13.1 MODEL REFINEMENT PHENIX 1.19-4080 INITIAL EULER ASSIGNMENT RELION 3.1.2 FINAL EULER ASSIGNMENT cryoSPARC 2.14.2 CLASSIFICATION cryoSPARC 2.14.2 RECONSTRUCTION cryoSPARC 2.14.2
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 1296929