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Human RIO1(kd)-StHA late pre-40S particle, structural state B (post 18S rRNA cleavage)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 6EK0
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.452 f_angle_d 0.995 f_chiral_restr 0.054 f_bond_d 0.007 f_plane_restr 0.007
Sample human cytoplasmic late precursor to the small ribosomal subunit, purified using RIO1(kd)-StHA as bait. Structural state B (post 18S rRNA maturation)
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument LEICA EM GP Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 276012 Reported Resolution (Å) 2.9 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (6EK0) Refinement Space 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) 29.4
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) Maximum Defocus (nm) Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.0.4 IMAGE ACQUISITION SerialEM CTF CORRECTION Gctf MODEL FITTING Coot MODEL FITTING UCSF Chimera INITIAL EULER ASSIGNMENT RELION 3.0.4 FINAL EULER ASSIGNMENT RELION 3.0.4 CLASSIFICATION RELION 3.0.4 RECONSTRUCTION RELION 3.0.4 MODEL REFINEMENT REFMAC MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2126610