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ELECTRON MICROSCOPY

Sample

70S ribosome

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument
Cryogen Name
Sample Vitrification Details
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 36113
Reported Resolution (Å) 18
Resolution Method FSC 0.5 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol OTHER
Refinement Target VISUAL AGREEMENT
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--MANUAL DETAILS--This structure was generated by fitting the X-ray crystal structure of L11 into the 70S E. coli ribosome map. L11 (linker region between N and C terminal) was modeled to accommodate the observed densities. Conformational changes occur in protein L11 and EF-G due to the binding of EF-G to the 70S ribosome. These changed conformations were modeled based on the fitting of the crystal coordinates to the low resolution ribosome map (factor-bound) and energy minimizing the fitted structures.
Data Acquisition
Detector Type GENERIC FILM
Electron Dose (electrons/Å2) 10
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI/PHILIPS EM420
Minimum Defocus (nm) ?
Maximum Defocus (nm) ?
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model GATAN LIQUID NITROGEN
Nominal Magnification 52000
Calibrated Magnification ?
Source OTHER
Acceleration Voltage (kV) .
Imaging Details ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
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