ELECTRON MICROSCOPY
| Sample |
|---|
| 2D crystal of Munc13-1 C1-C2B-MUN-C2C domains between two lipid bilayers. |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | 2D ARRAY |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | blot for 5 sec before plunging, blot force -1 |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SUBTOMOGRAM AVERAGING |
| Number of Particles | 72894 |
| Reported Resolution (Å) | 10 |
| Resolution Method | OTHER |
| Other Details | Combined map of best classes from two 3D classifications in RELION 3.1 of selected regions without angular searches using C6 symmetry expanded dataset ... |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 | ||||
| Refinement Space | |||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | Model for fitting was generated by AlphaFold using the construct's amino acid sequence. Flexible fitting into 3D map densities was performed using ISO ... | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 (6k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 3.1 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TITAN KRIOS |
| Minimum Defocus (nm) | 3500 |
| Maximum Defocus (nm) | 5000 |
| 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 |
| IMAGE ACQUISITION | SerialEM | |
| MODEL FITTING | ISOLDE | 1.2.0 |
| MODEL FITTING | UCSF ChimeraX | 1.2 |
| MODEL FITTING | UCSF Chimera | 1.16 |
| FINAL EULER ASSIGNMENT | RELION | 3.1 |
| RECONSTRUCTION | RELION | 3.1 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | CTF correction was performed during 3D reconstruction in RELION 3.1 | |||
