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Real space refined coordinates of the 30S and 50S subunits fitted into the low resolution cryo-EM map of the EF-G.GTP state of E. coli 70S ribosome
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1IBL experimental model PDB 1FJG experimental model PDB 1FFK experimental model PDB 1JJ2 experimental model PDB 1LNR experimental model PDB 1GIY
Sample E. coli 70S ribosome -EF-G.GTP complex
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name Sample Vitrification Details Rapid-freezing in liquid ethane
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles Reported Resolution (Å) 12.3 Resolution Method Other Details SPIDER package Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (1IBL, 1FJG, 1FFK, 1JJ2, 1LNR, 1GIY) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target cross-correlation coefficient, real space R factor Overall B Value Fitting Procedure Details METHOD--auto REFINEMENT PROTOCOL--Multi-rigid body, real-space refinement
Data Acquisition Detector Type KODAK SO-163 FILM Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment 2001-01-15 Temperature (Kelvin) 93 Microscope Model FEI TECNAI F20 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 50000 Calibrated Magnification 49696 Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version MODEL FITTING RSRef MODEL FITTING RSRef
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details CTF correction of 3D-maps