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Structure and assembly pathway of the ribosome quality control complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4W1Z experimental model PDB 4W20
Sample rabbit 60S ribosomal subunit housing an in vitro translated nascent chain attached to a P-site tRNA in complex with the E3 ligase Listerin and NEMF Sample Components 60S ribosomal subunit tRNA in vitro translated substrate Listerin NEMF
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK I Cryogen Name ETHANE Sample Vitrification Details Blot for 3 seconds before plunging into liquid ethane (FEI VITROBOT MARK I).
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 63826 Reported Resolution (Å) 3.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4W1Z, 4W20) Refinement Space RECIPROCAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details REFINEMENT PROTOCOL--rigid body
Data Acquisition Detector Type FEI FALCON II (4k x 4k) Electron Dose (electrons/Å**2) 30
Imaging Experiment 1 2 Date of Experiment 2014-04-30 2014-08-18 Temperature (Kelvin) Microscope Model FEI TITAN KRIOS FEI TITAN KRIOS Minimum Defocus (nm) 2000 2000 Maximum Defocus (nm) 3500 3500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 2.7 Imaging Mode BRIGHT FIELD BRIGHT FIELD Specimen Holder Model Nominal Magnification 59000 59000 Calibrated Magnification 104478 104478 Source FIELD EMISSION GUN FIELD EMISSION GUN Acceleration Voltage (kV) 300 300 Imaging Details Objective lens astigmatism was corrected at 59,000 times magnification. Objective lens astigmatism was corrected at 59,000 times magnification.
EM Software Task Software Package Version CTF CORRECTION CTFFIND 3 MODEL FITTING Coot MODEL FITTING UCSF Chimera RECONSTRUCTION RELION