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tRNA tranlocation on the 70S ribosome: the pre-translocational translocation intermediate TI(PRE)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2WRI experimental model PDB 2WRJ
Sample 70S-EFG-GDP-FA COMPLEX
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK I Cryogen Name ETHANE Sample Vitrification Details VITRIFICATION 1 -- CRYOGEN- ETHANE, INSTRUMENT- VITROBOT (FEI)
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles Reported Resolution (Å) 7.8 Resolution Method Other Details SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-1798. Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (2WRI, 2WRJ) Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value Fitting Procedure Details METHOD--MDFIT REFINEMENT PROTOCOL--X-RAY
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) 77 Microscope Model FEI POLARA 300 Minimum Defocus (nm) 2000 Maximum Defocus (nm) 4000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 39000 Calibrated Magnification 65520 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details LOW-DOSE
EM Software Task Software Package Version MODEL FITTING GROMACS RECONSTRUCTION SPIDER
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details DEFOCUS GROUPS