ELECTRON MICROSCOPY
| Sample |
|---|
| The structure of the COPI coat leaf |
| Sample Components |
| COPI coat complex |
| ADP-ribosylation factor 1 |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | 3D ARRAY |
| Vitrification Instrument | HOMEMADE PLUNGER |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | The sample was applied onto glow-discharged (30 sec, 20 mA) C-flat (Protochips Inc.) multihole grids. The grids were blotted from the back side for 11 ... |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SUBTOMOGRAM AVERAGING |
| Number of Particles | 38498 |
| Reported Resolution (Å) | 9.2 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | Cross-correlation coefficient | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 QUANTUM (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 2 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 2500 |
| Maximum Defocus (nm) | 5000 |
| 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 | |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details | Tomographic tilt series were acquired with the dose-symmetric tilt-scheme (Hagen et al., J Struct Biol. 2017) |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| VOLUME SELECTION | Amira | |
| IMAGE ACQUISITION | SerialEM | |
| CTF CORRECTION | CTFFIND | 4 |
| MODEL FITTING | MDFF | |
| RECONSTRUCTION | TOM Toolbox | |
| VOLUME SELECTION | TOM Toolbox | |
| CTF CORRECTION | IMOD | |
| RECONSTRUCTION | AV3 | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING ONLY | CTF-determination for each individual tilt image was performed using CTFFIND4. Strip-based CTF-correction and tomogram reconstruction was performed in Imod. | |||
