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Cryo-EM structure of an Escherichia coli ribosome-SpeFL complex stalled in response to L-ornithine (Replicate 1)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4YBB
Sample Escherichia coli ribosome-SpeFL complex stalled in response to L-ornithine Sample Components 50S subunit 30S subunit SpeFL peptide Arg-tRNA located in the P-site mRNA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 68195 Reported Resolution (Å) 2.7 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (4YBB) Refinement Space REAL Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 30
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) -500 Maximum Defocus (nm) -1600 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification 130000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details Data were collected at the European Synchrotron Radiation Facility (ESRF CM01 cryo-electron microscope)
EM Software Task Software Package Version IMAGE ACQUISITION EPU CTF CORRECTION Gctf MODEL FITTING Situs MODEL REFINEMENT PHENIX 1.16 INITIAL EULER ASSIGNMENT RELION FINAL EULER ASSIGNMENT RELION CLASSIFICATION RELION RECONSTRUCTION RELION 3.0
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 226054