ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 7CLR | |
| Sample |
|---|
| P ring on polyrod-P ring complex from Salmonella typhimurium HK26292 mutant |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | FILAMENT |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | BLOTTING TIME OF 4 SECONDS, 1 SECONDS DRAIN TIME, FORCE 0 |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 85463 |
| Reported Resolution (Å) | 2.33 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C26 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (7CLR) | ||||
| Refinement Space | REAL | ||||
| Refinement Protocol | OTHER | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | Phenix1.21-rc1 , refmac servalcat, coot and ISOLDE was used for fitting, and Phenix was used for final fitting. | ||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 (6k x 4k) | GATAN K3 (6k x 4k) | |||||||
| Electron Dose (electrons/Å**2) | 75 | 40 | |||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | JEOL CRYO ARM 300 |
| Minimum Defocus (nm) | 200 |
| Maximum Defocus (nm) | 2000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | 50000 |
| Calibrated Magnification | |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | cryoSPARC | 3.2.0 |
| CTF CORRECTION | cryoSPARC | 3.2.0 |
| MODEL FITTING | PHENIX | 1.21-rc |
| MODEL REFINEMENT | PHENIX | 1.21-rc |
| CLASSIFICATION | cryoSPARC | 3.2.0 |
| RECONSTRUCTION | RELION | 3.1.1 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 386473 | |||
