ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1TQQ | |
| Sample |
|---|
| Colicin E1 fragment colE1-T inside nanodisc-embedded TolC |
| Sample Components |
| Outer membrane protein TolC |
| Colicin E1 fragment colE1-T |
| 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 | 179834 |
| Reported Resolution (Å) | 3.09 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | Additional map (C3 refinement) is 2.81Angstrom resolution |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (1TQQ) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | OTHER | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | colE1 built ab initio TolC from 1TQQ | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 35.96 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TALOS ARCTICA |
| Minimum Defocus (nm) | |
| Maximum Defocus (nm) | |
| 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 | 205000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| IMAGE ACQUISITION | SerialEM | 3.7 |
| CTF CORRECTION | CTFFIND | 4 |
| MODEL FITTING | Coot | 0.8.9.2-pre |
| MODEL FITTING | ISOLDE | 1.0b4.dev1 |
| INITIAL EULER ASSIGNMENT | cryoSPARC | 2.14.2 |
| FINAL EULER ASSIGNMENT | cryoSPARC | 2.14.2 |
| CLASSIFICATION | cryoSPARC | 2.14.2 |
| RECONSTRUCTION | cryoSPARC | 2.14.2 |
| MODEL REFINEMENT | PHENIX | 1.14-3260 |
| MODEL REFINEMENT | Coot | 0.8.9.2-pre |
| MODEL REFINEMENT | ISOLDE | 1.0b4.dev1 |
| MODEL REFINEMENT | Amber | 20 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 339779 | |||
