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Structural insights into cognate vs. near-cognate discrimination during decoding.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2I2U experimental model PDB 3FIH
Sample Near-cognate 70S-TC complex Sample Components small ribosomal subunit A/T-site tRNA elongation factor Tu messenger RNA P-site tRNA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK I Cryogen Name NITROGEN Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 26873 Reported Resolution (Å) 13.2 Resolution Method Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (2I2U) 2 (3FIH) Refinement Space REAL REAL Refinement Protocol FLEXIBLE FIT FLEXIBLE FIT Refinement Target RMSD < 0.1 A/ns RMSD < 0.1 A/ns Overall B Value Fitting Procedure Details METHOD--flexible fitting, MDFF METHOD--flexible fitting, MDFF
Data Acquisition Detector Type TVIPS TEMCAM-F415 (4k x 4k) Electron Dose (electrons/Å**2) 20
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TECNAI F30 Minimum Defocus (nm) 1200 Maximum Defocus (nm) 4000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 59000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL FITTING NAMD 2.7 RECONSTRUCTION SPIDER 2.7