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Cryo-EM structure of ribosome-Sec61-TRAP (TRanslocon Associated Protein) translocon complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6MTE experimental model PDB 3J7Q
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 16.331 f_angle_d 0.662 f_chiral_restr 0.041 f_bond_d 0.005 f_plane_restr 0.005
Sample 80S ribosome complex with Sec61 and TRAP
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 119208 Reported Resolution (Å) 2.86 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6MTE, 3J7Q) Refinement Space REAL Refinement Protocol FLEXIBLE FIT Refinement Target Correlation coefficient Overall B Value 113.36 Fitting Procedure Details Real space refinement
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 0.8
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS GLACIOS Minimum Defocus (nm) 600 Maximum Defocus (nm) 1800 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model OTHER Nominal Magnification Calibrated Magnification 120000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1 IMAGE ACQUISITION EPU 2.9.0 CTF CORRECTION CTFFIND 4 MODEL FITTING Coot 0.9.8.1 INITIAL EULER ASSIGNMENT RELION 3.1 FINAL EULER ASSIGNMENT RELION 3.1 CLASSIFICATION RELION 3.1 RECONSTRUCTION RELION 3.1 MODEL REFINEMENT PHENIX 1.20
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE 385028