6C4H
Conformation of methylated GGQ in the peptidyl transferase center during translation termination (PTC region)
ELECTRON MICROSCOPY
| Sample |
|---|
| nonstop ribosomal complex with ArfA/RF2 |
| Sample Components |
| 50S subunit |
| P-site tRNA fMet |
| Peptide chain release factor 2 |
| 23S rRNA |
| 50S ribosomal protein L2 |
| 50S ribosomal protein L3 |
| 50S ribosomal protein L16 |
| 50S ribosomal protein L27 |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Grids were blotted for 3.5 seconds. |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 143372 |
| Reported Resolution (Å) | 3.1 |
| 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 | RECIPROCAL | ||||
| Refinement Protocol | FLEXIBLE FIT | ||||
| Refinement Target | Average FSC | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 20 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | JEOL 3200FS |
| Minimum Defocus (nm) | |
| Maximum Defocus (nm) | |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | |
| Imaging Mode | BRIGHT FIELD |
| Specimen Holder Model | |
| Nominal Magnification | |
| Calibrated Magnification | 83822 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | RELION | 1.4 |
| IMAGE ACQUISITION | Leginon | |
| CTF CORRECTION | CTFFIND | 4 |
| MODEL FITTING | UCSF Chimera | 1.11 |
| MODEL FITTING | Coot | 0.8.3 |
| MODEL REFINEMENT | REFMAC | 5.8 |
| INITIAL EULER ASSIGNMENT | RELION | 2 |
| FINAL EULER ASSIGNMENT | RELION | 2 |
| CLASSIFICATION | RELION | 2 |
| RECONSTRUCTION | RELION | 2 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||
