Structure of the SARS-CoV-2 S 2P trimer in complex with the human neutralizing antibody Fab fragment, C121 (State 2)
ELECTRON MICROSCOPY
| Sample | 
|---|
| Ternary complex of SARS-CoV-2 S 2P trimer with human neutralizing antibody Fab fragment C121 (state 2) | 
| Sample Components | 
| SARS-CoV-2 S 2P glycoprotein | 
| neutralizing antibody Fab fragment C121 | 
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE | 
| Vitrification Instrument | FEI VITROBOT MARK IV | 
| Cryogen Name | ETHANE | 
| Sample Vitrification Details | 3s blot | 
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE | 
| Number of Particles | 14999 | 
| Reported Resolution (Å) | 4.4 | 
| Resolution Method | FSC 0.143 CUT-OFF | 
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT | 
| Point Symmetry | C1 | 
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (6VXX, 6W41) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 BIOQUANTUM (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) | 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 | |
| Source | FIELD EMISSION GUN | 
| Acceleration Voltage (kV) | 300 | 
| Imaging Details | 
| EM Software | ||
|---|---|---|
| Task | Software Package | Version | 
| IMAGE ACQUISITION | SerialEM | 3.8 | 
| CTF CORRECTION | cryoSPARC | 2.15 | 
| MODEL FITTING | UCSF Chimera | 1.13 | 
| MODEL REFINEMENT | PHENIX | 1.15 | 
| INITIAL EULER ASSIGNMENT | cryoSPARC | 2.15 | 
| FINAL EULER ASSIGNMENT | cryoSPARC | 2.15 | 
| CLASSIFICATION | cryoSPARC | 2.15 | 
| RECONSTRUCTION | cryoSPARC | 2.15 | 
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 892954 | |||














