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EMCV IRES captured on mammalian 40S ribosome with initiator tRNA and eIF2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6YAN experimental model PDB 8OZ0 in silico model AlphaFold
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 15.7751 f_angle_d 0.6414 f_chiral_restr 0.0376 f_plane_restr 0.0049 f_bond_d 0.0025
Sample EMCV IRES with 40S and initiator tRNA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE-PROPANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 28439 Reported Resolution (Å) 5.01 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6YAN, 8OZ0) Refinement Space Refinement Protocol Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 55
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 1250 Maximum Defocus (nm) 2750 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model OTHER Nominal Magnification 36000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION cryoSPARC v3.3 IMAGE ACQUISITION Latitude 3.53 MODEL FITTING Coot 0.9.8.7 MODEL REFINEMENT PHENIX 1.20 RECONSTRUCTION cryoSPARC v3.3
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details NONE