4V69
Ternary complex-bound E.coli 70S ribosome.
ELECTRON MICROSCOPY
Sample |
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E. coli ribosome in complex with the ternary complex EF-Tu aminoacyl-tRNA GDP |
Specimen Preparation | |
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Sample Aggregation State | PARTICLE |
Vitrification Instrument | FEI VITROBOT MARK I |
Cryogen Name | ETHANE |
Sample Vitrification Details | Vitrification using FEI Vitrobot; blot 3 seconds before plunging with an offset of -1mm |
3D Reconstruction | |
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Reconstruction Method | SINGLE PARTICLE |
Number of Particles | 131599 |
Reported Resolution (Å) | 6.7 |
Resolution Method | |
Other Details | see LeBarron et al., JSB 164 (2008) 24-32. |
Refinement Type | |
Symmetry Type | POINT |
Point Symmetry | C1 |
Map-Model Fitting and Refinement | |||||
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Id | 1 (2I2U, 2I2V, 2J00, 1OB2) | ||||
Refinement Space | REAL | ||||
Refinement Protocol | FLEXIBLE FIT | ||||
Refinement Target | Cross correlation, root-mean square deviation | ||||
Overall B Value | |||||
Fitting Procedure | |||||
Details | METHOD--See Trabuco et al., Structure 16 (2008) 673-683. REFINEMENT PROTOCOL--Flexible fitting |
Data Acquisition | |||||||||
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Detector Type | KODAK SO-163 FILM | ||||||||
Electron Dose (electrons/Å**2) | 20 |
Imaging Experiment | 1 |
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Date of Experiment | 2006-08-31 |
Temperature (Kelvin) | 84 |
Microscope Model | FEI POLARA 300 |
Minimum Defocus (nm) | 4520 |
Maximum Defocus (nm) | 1200 |
Minimum Tilt Angle (degrees) | |
Maximum Tilt Angle (degrees) | |
Nominal CS | |
Imaging Mode | BRIGHT FIELD |
Specimen Holder Model | |
Nominal Magnification | 59000 |
Calibrated Magnification | 58279 |
Source | FIELD EMISSION GUN |
Acceleration Voltage (kV) | 300 |
Imaging Details |
EM Software | ||
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Task | Software Package | Version |
MODEL FITTING | MDFF | |
RECONSTRUCTION | SPIDER |
Image Processing | ||||
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CTF Correction Type | CTF Correction Details | Number of Particles Selected | Particle Selection Details | |
Correction of reconstruction of each defocus group |