8QH5
CryoEM structure of UVSSA(VHS)-CSA-DDB1-DDA1
ELECTRON MICROSCOPY
| Sample |
|---|
| Ternary complex of UVSSA(VHS)-CSA-DDB1-DDA1 |
| 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 | 294142 |
| Reported Resolution (Å) | 3.4 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | Combined from focused maps reconstructed with various particle numbers. |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (7OO3, 7OO3, 6ZX9, 6UD7) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | Additional densities are observed near several cysteine residues (A/Cys222, A/Cys260, A/Cys288, B/Cys363, B/Cys725, B/Cys1008). We expect these are ox ... | ||||
| 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) | 3000 |
| 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 | 81000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details | Collected on Krios 1 at Netherlands Center for Electron Nanoscopy (NeCEN) |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | Topaz | |
| CTF CORRECTION | cryoSPARC | |
| CTF CORRECTION | RELION | |
| MODEL FITTING | UCSF Chimera | |
| MODEL FITTING | PHENIX | |
| MODEL FITTING | Coot | |
| MODEL REFINEMENT | PHENIX | |
| INITIAL EULER ASSIGNMENT | cryoSPARC | |
| INITIAL EULER ASSIGNMENT | RELION | 3.1.3 |
| FINAL EULER ASSIGNMENT | RELION | 3.1.3 |
| RECONSTRUCTION | RELION | 3.3.3 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 723908 | |||
