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Structure of the bacterial ribosome complexed by tmRNA-SmpB and EF-G during translocation and MLD-loading
Sample Ribosomal complex 70S-tmRNA-SmpB-tRNA-EFG-GDP-FA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK I Cryogen Name ETHANE Sample Vitrification Details blot for 5-10 seconds before plunging into liquid ethane (FEI Vitrobot)
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 68843 Reported Resolution (Å) 8.3 Resolution Method Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment 2009-12-08 Temperature (Kelvin) 77 Microscope Model FEI POLARA 300 Minimum Defocus (nm) 2500 Maximum Defocus (nm) 5000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 39000 Calibrated Magnification 39000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING UCSF Chimera RECONSTRUCTION SPIDER
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details The volumes were CTF-corrected in defocus groups, with an average of approximately 215 individual images per group