3J9W
Cryo-EM structure of the Bacillus subtilis MifM-stalled ribosome complex
ELECTRON MICROSCOPY
Sample |
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B. subtilis MifM-stalled ribosome complex |
Sample Components |
70S ribosome |
Membrane protein insertion and folding monitor |
tRNA-Asp |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK IV |
Cryogen Name | ETHANE |
Sample Vitrification Details | Plunged into liquid ethane (FEI VITROBOT MARK IV) |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 305045 |
Reported Resolution (Å) | 3.9 |
Resolution Method | FSC 0.143 CUT-OFF |
Other Details | Since images from microscopy were processed in the absence of spatial frequencies higher than 8 A, a FSC cut-off value of 0.143 was used for average r ... |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 | ||||
Refinement Space | |||||
Refinement Protocol | |||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details |
Data Acquisition | |||||||||
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Detector Type | FEI FALCON II (4k x 4k) | ||||||||
Electron Dose (electrons/Å**2) | 28 |
Imaging Experiment | 1 |
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Date of Experiment | 2014-04-12 |
Temperature (Kelvin) | |
Microscope Model | FEI TITAN KRIOS |
Minimum Defocus (nm) | 1000 |
Maximum Defocus (nm) | 2500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | FEI TITAN KRIOS AUTOGRID HOLDER |
Nominal Magnification | 125085 |
Calibrated Magnification | |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
RECONSTRUCTION | SPIDER |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
defocus groups |