8I7J
Yeast 40S-eIF4B - partially open conformation of the 40S head
ELECTRON MICROSCOPY
Refinement
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 22.584 |
| f_angle_d | 0.964 |
| f_chiral_restr | 0.051 |
| f_bond_d | 0.006 |
| f_plane_restr | 0.006 |
| Sample |
|---|
| The binary complex of the yeast 40S small ribosomal subunit with the eukaryotic initiation factor 4B. |
| Sample Components |
| Eukaryotic Initiation Factor 4B (eIF4B). |
| yeast 40S small ribosomal subunit |
| Specimen Preparation | |
|---|---|
| Sample Aggregation State | PARTICLE |
| Vitrification Instrument | FEI VITROBOT MARK IV |
| Cryogen Name | ETHANE |
| Sample Vitrification Details | Vitrification was carried out in nitrogen atmosphere. |
| 3D Reconstruction | |
|---|---|
| Reconstruction Method | SINGLE PARTICLE |
| Number of Particles | 108616 |
| Reported Resolution (Å) | 4.6 |
| 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 | |||||
| Refinement Protocol | RIGID BODY FIT | ||||
| Refinement Target | Cross-correlation coefficient | ||||
| Overall B Value | |||||
| Fitting Procedure | |||||
| Details | |||||
| Data Acquisition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
| Electron Dose (electrons/Å**2) | 50 | ||||||||
| Imaging Experiment | 1 |
|---|---|
| Date of Experiment | |
| Temperature (Kelvin) | |
| Microscope Model | FEI TALOS ARCTICA |
| Minimum Defocus (nm) | 1500 |
| Maximum Defocus (nm) | 3000 |
| Minimum Tilt Angle (degrees) | |
| Maximum Tilt Angle (degrees) | |
| Nominal CS | 2.7 |
| Imaging Mode | DIFFRACTION |
| Specimen Holder Model | |
| Nominal Magnification | 42000 |
| Calibrated Magnification | 42000 |
| Source | FIELD EMISSION GUN |
| Acceleration Voltage (kV) | 200 |
| Imaging Details | Preliminary grid screening was done manually using the Latitude-S |
| EM Software | ||
|---|---|---|
| Task | Software Package | Version |
| PARTICLE SELECTION | RELION | 3.1.1 |
| IMAGE ACQUISITION | Latitude | S |
| CTF CORRECTION | RELION | 3.1.1 |
| MODEL FITTING | UCSF Chimera | 1.15 |
| INITIAL EULER ASSIGNMENT | RELION | 3.1.1 |
| FINAL EULER ASSIGNMENT | RELION | 3.1.1 |
| RECONSTRUCTION | RELION | 3.1.1 |
| MODEL REFINEMENT | PHENIX | 1.18.2-3874 |
| Image Processing | ||||
|---|---|---|---|---|
| CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
| PHASE FLIPPING AND AMPLITUDE CORRECTION | 1492547 | |||
