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SARS-CoV-spike RBD bound to two neutralising nanobodies.
Sample Structure of SARS-CoV-2 spike RBD in complex with SARS-CoV-2 neutralizing biparatopic nanobody VE Sample Components Spike glycoprotein biparatopic nanobody VE
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 92938 Reported Resolution (Å) 4.01 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 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) 48.6
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING Coot INITIAL EULER ASSIGNMENT cryoSPARC 2.15 FINAL EULER ASSIGNMENT cryoSPARC 2.15 CLASSIFICATION cryoSPARC 2.15 RECONSTRUCTION cryoSPARC 2.15 MODEL REFINEMENT PHENIX 1.9
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION