ELECTRON MICROSCOPY
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 6RM3 | |
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 31.398 |
| r_lrange_it | 22.782 |
| r_dihedral_angle_4_deg | 18.691 |
| r_dihedral_angle_3_deg | 13.407 |
| r_mcangle_it | 11.11 |
| r_scangle_it | 10.336 |
| r_dihedral_angle_1_deg | 7.116 |
| r_mcbond_it | 6.445 |
| r_scbond_it | 6.373 |
| r_angle_refined_deg | 1.832 |
| Sample |
|---|
| Ribosome |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | blot force -1 and blot time 4 s |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 285940 |
| Reported Resolution (Å) | 2.79 |
| Resolution Method | FSC 0.143 CUT-OFF |
| Other Details | |
| Refinement Type | |
| Symmetry Type | POINT |
| Point Symmetry | C1 |
| Map-Model Fitting and Refinement | |||||
|---|---|---|---|---|---|
| Id | 1 (6RM3) | ||||
| Refinement Space | RECIPROCAL | ||||
| Refinement Protocol | AB INITIO MODEL | ||||
| Refinement Target | |||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K3 BIOQUANTUM (6k x 4k) | GATAN K2 SUMMIT (4k x 4k) | |||||||
| Electron Dose (electrons/Å**2) | 41.5 | 41.34 | |||||||
| Imaging Experiment | 1 | 2 |
|---|---|---|
| Date of Experiment | ||
| Temperature (Kelvin) | ||
| Microscope Model | TFS KRIOS | TFS TALOS |
| Minimum Defocus (nm) | 1200 | 1200 |
| Maximum Defocus (nm) | 2500 | 2500 |
| Minimum Tilt Angle (degrees) | ||
| Maximum Tilt Angle (degrees) | ||
| Nominal CS | ||
| Imaging Mode | BRIGHT FIELD | BRIGHT FIELD |
| Specimen Holder Model | ||
| Nominal Magnification | ||
| Calibrated Magnification | ||
| Source | FIELD EMISSION GUN | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 300 | 200 |
| Imaging Details |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| IMAGE ACQUISITION | EPU | |
| CTF CORRECTION | Warp | 1.09 |
| MODEL FITTING | Coot | |
| MODEL FITTING | UCSF Chimera | |
| MODEL FITTING | UCSF ChimeraX | |
| MODEL FITTING | MOLREP | |
| MODEL REFINEMENT | REFMAC | |
| INITIAL EULER ASSIGNMENT | RELION | 3.1 |
| FINAL EULER ASSIGNMENT | RELION | 3.1 |
| CLASSIFICATION | RELION | 3.1 |
| RECONSTRUCTION | RELION | 3.1 |
| IMAGE ACQUISITION | EPU | |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 977879 | |||














