7JWB
SARS CoV2 Spike ectodomain with engineered trimerized VH binder
ELECTRON MICROSCOPY
| Sample |
|---|
| Complex of SARS CoV2 Spike ectodomain with engineered trimerized VH domain |
| Sample Components |
| engineered trimerized VH domain |
| SARS CoV2 Spike ectodomain |
| 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 | 21000 |
| Reported Resolution (Å) | 6 |
| Resolution Method | OTHER |
| Other Details | This reconstruction is a Gaussian low pass filtered map of a 3.2A gold standard FSC map, to better account for the VH density. The model was fit and r ... |
| Refinement Type | |
| Symmetry Type | POINT |
| Number of Particles | 21000 |
| Reported Resolution (Å) | 3.2 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | Same reconstruction as above but filtered based on the gold standard FSC to 3.2A. Shows high resolution features but density for the low occupancy VH ... |
| Refinement Type | |
| Symmetry Type | POINT |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (6X2B, 4G80) | ||||
| Refinement Space | |||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | cross correlation | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 BIOQUANTUM (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 78 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | |
| Maximum Defocus (nm) | |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| MODEL FITTING | UCSF Chimera | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
