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Structure of a yeast 48S-AUC preinitiation complex in closed conformation
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6FYX
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 18.002 f_angle_d 0.68 f_chiral_restr 0.039 f_plane_restr 0.006 f_bond_d 0.003
Sample Structure of a yeast 48S-AUC preinitiation complex in closed conformation Sample Components Ribosome tRNA Initiation factors eIF1A Initiation factor eIF2 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 66519 Reported Resolution (Å) 3.35 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6FYX) Refinement Space RECIPROCAL Refinement Protocol OTHER Refinement Target FSC Overall B Value 123 Fitting Procedure Details
Data Acquisition Detector Type FEI FALCON III (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) 1000 Maximum Defocus (nm) 3500 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 59000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION EMAN IMAGE ACQUISITION EPU CTF CORRECTION Gctf MODEL FITTING UCSF Chimera 1.1 MODEL FITTING Coot 0.8 INITIAL EULER ASSIGNMENT RELION 1.4 FINAL EULER ASSIGNMENT RELION 3.0 CLASSIFICATION RELION 3.0 RECONSTRUCTION RELION 3.0 MODEL REFINEMENT REFMAC 5.8 MODEL REFINEMENT PHENIX 1.20
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1680000 Selected particles after 2d-classification