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Yeast 40S-eIF4B - partially open conformation of the 40S head
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 22.584 f_angle_d 0.964 f_chiral_restr 0.051 f_bond_d 0.006 f_plane_restr 0.006
Sample The binary complex of the yeast 40S small ribosomal subunit with the eukaryotic initiation factor 4B. Sample Components Eukaryotic Initiation Factor 4B (eIF4B). yeast 40S small ribosomal subunit
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK IV Cryogen Name ETHANE Sample Vitrification Details Vitrification was carried out in nitrogen atmosphere.
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 108616 Reported Resolution (Å) 4.6 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol RIGID BODY FIT Refinement Target Cross-correlation coefficient Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K2 SUMMIT (4k x 4k) Electron Dose (electrons/Å**2) 50
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TALOS ARCTICA Minimum Defocus (nm) 1500 Maximum Defocus (nm) 3000 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS 2.7 Imaging Mode DIFFRACTION Specimen Holder Model Nominal Magnification 42000 Calibrated Magnification 42000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 200 Imaging Details Preliminary grid screening was done manually using the Latitude-S
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1.1 IMAGE ACQUISITION Latitude S CTF CORRECTION RELION 3.1.1 MODEL FITTING UCSF Chimera 1.15 INITIAL EULER ASSIGNMENT RELION 3.1.1 FINAL EULER ASSIGNMENT RELION 3.1.1 RECONSTRUCTION RELION 3.1.1 MODEL REFINEMENT PHENIX 1.18.2-3874
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1492547