6RW5
Structure of human mitochondrial 28S ribosome in complex with mitochondrial IF2 and IF3
ELECTRON MICROSCOPY
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3J9M |
Sample |
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IF2 and IF3 bound mitochondrial translation pre-initiation complex |
Sample Components |
Ribosome |
IF2 |
IF3 |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 103165 |
Reported Resolution (Å) | 3.14 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
---|---|---|---|---|---|
Id | 1 (3J9M) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | AB INITIO MODEL | ||||
Refinement Target | Cross-correlation coefficient | ||||
Overall B Value | 42 | ||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
---|---|---|---|---|---|---|---|---|---|
Detector Type | GATAN K2 SUMMIT (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 1.5 |
Imaging Experiment | 1 |
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Date of Experiment | |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 1000 |
Maximum Defocus (nm) | 3200 |
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 | 130000 |
Calibrated Magnification | 165000 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
---|---|---|
Task | Software Package | Version |
PARTICLE SELECTION | Gautomatch | 0.55 |
IMAGE ACQUISITION | EPU | |
CTF CORRECTION | Gctf | 1.06 |
MODEL FITTING | Coot | 0.88 EL |
INITIAL EULER ASSIGNMENT | RELION | 2.1.0 |
FINAL EULER ASSIGNMENT | RELION | 2.1.0 |
CLASSIFICATION | RELION | 3.0.2 |
RECONSTRUCTION | RELION | 3.0.2 |
MODEL REFINEMENT | PHENIX | 1.15rc2-3428 |
Image Processing | ||||
---|---|---|---|---|
CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
PHASE FLIPPING AND AMPLITUDE CORRECTION | 1103314 |