Fitting of EF-Tu and tRNA in the Low Resolution Cryo-EM Map of an EF-Tu Ternary Complex (GDP and Kirromycin) Bound to E. coli 70S Ribosome
ELECTRON MICROSCOPY
Sample |
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E. coli 70S ribosome-Ternary complex-GDP-Kirromycin |
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 | 7985 |
Reported Resolution (Å) | 16.8 |
Resolution Method | |
Other Details | SPIDER package |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (1EFC, 1TTT) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | OTHER | ||||
Refinement Target | |||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--Manual |
Data Acquisition | |||||||||
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Detector Type | KODAK SO-163 FILM | ||||||||
Electron Dose (electrons/Å**2) | 10 |
Imaging Experiment | 1 |
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Date of Experiment | 2001-03-01 |
Temperature (Kelvin) | 93 |
Microscope Model | FEI/PHILIPS EM420 |
Minimum Defocus (nm) | 1000 |
Maximum Defocus (nm) | 3500 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | 2 |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 50000 |
Calibrated Magnification | 52000 |
Source | LAB6 |
Acceleration Voltage (kV) | 100 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | O | |
RECONSTRUCTION | SPIDER |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
CTF correction of 3D-maps |