1ZC8
Coordinates of tmRNA, SmpB, EF-Tu and h44 fitted into Cryo-EM map of the 70S ribosome and tmRNA complex
ELECTRON MICROSCOPY
Sample |
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70S ribosome |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | HOMEMADE PLUNGER |
Cryogen Name | ETHANE |
Sample Vitrification Details | Rapid-freezing in liquid ethane |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 27644 |
Reported Resolution (Å) | 13 |
Resolution Method | |
Other Details | SPIDER package, This entry contains only C alpha and P atoms. |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (1K8H, 1B23, 1N32) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--manual fitting in O |
Data Acquisition | |||||||||
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Detector Type | KODAK SO-163 FILM | ||||||||
Electron Dose (electrons/Å**2) | 15 |
Imaging Experiment | 1 |
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Date of Experiment | 2003-08-01 |
Temperature (Kelvin) | 93 |
Microscope Model | FEI TECNAI F20 |
Minimum Defocus (nm) | 3700 |
Maximum Defocus (nm) | 1450 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 49000 |
Calibrated Magnification | 52000 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 200 |
Imaging Details |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
CTF correction of 3D-maps by Wiener filtration |