ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 10.9598 |
| f_angle_d | 0.6504 |
| f_chiral_restr | 0.0391 |
| f_plane_restr | 0.005 |
| f_bond_d | 0.0029 |
| Sample |
|---|
| ZBTB9 BTB domain filament |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | FILAMENT |
| Vitrification Instrument | LEICA EM GP |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Grids were vitrified using a Leica EM GP plunge freezer operated at 90% humidity and 10 C with 10 s pre-blot, 3 s blot, 3 s post-blot. |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | HELICAL |
| Number of Particles | 147135 |
| Reported Resolution (Å) | 8.1 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | Asymmetric helical refinement followed by local refinement led to the final reconstruction. The helical symmetry values represent the angular rotation ... |
| Refinement Type | |
| Symmetry Type | HELICAL |
| Axial Symmetry | C1 |
| Axial Rise | 36.1 |
| Angular Rotation | 101.9 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | OTHER | ||||
| Refinement Target | |||||
| Overall B Value | 762 | ||||
| Fitting Procedure | |||||
| Details | Real-space refinement without local grid search | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 50.1 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TALOS ARCTICA |
| Minimum Defocus (nm) | 800 |
| Maximum Defocus (nm) | 2000 |
| 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 | 36000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| MODEL REFINEMENT | PHENIX | 1.21.1_5286 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 2022676 | |||
