8BEV
Cryo-EM structure of SARS-CoV-2 spike (HexaPro variant) in complex with nanobody W25 (map 3, focus refinement on RBD, W25 and adjacent NTD)
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 14.897 |
| f_angle_d | 0.638 |
| f_chiral_restr | 0.048 |
| f_plane_restr | 0.006 |
| f_bond_d | 0.003 |
| Sample |
|---|
| Severe acute respiratory syndrome coronavirus 2 spike protein in complex with nanobody W25 |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | 1s blotting time |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 132634 |
| Reported Resolution (Å) | 5.92 |
| 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 | OTHER | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 60 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI POLARA 300 |
| Minimum Defocus (nm) | 500 |
| Maximum Defocus (nm) | 2500 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2 |
| Imaging Mode | OTHER |
| Specimen Holder Model | |
| Nominal Magnification | 31000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | RELION | 3.0.7 |
| IMAGE ACQUISITION | Leginon | |
| CTF CORRECTION | CTFFIND | 4 |
| MODEL FITTING | PHENIX | 1.19.2-4158 |
| INITIAL EULER ASSIGNMENT | RELION | 3.0.7 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 3.3.1 |
| CLASSIFICATION | cryoSPARC | 3.3.1 |
| RECONSTRUCTION | cryoSPARC | 3.3.1 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 527691 | |||
