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High-resolution cryo-EM structure of Pyrococcus abyssi 30S ribosomal subunit bound to mRNA and initiator tRNA anticodon stem-loop
Refinement RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.63 f_angle_d 0.72 f_chiral_restr 0.042 f_plane_restr 0.006 f_bond_d 0.004
Sample High resolution 30S ribosomal subunit with a fragment of mRNA and tRNA Sample Components High resolution 30S ribosomal subunit with a fragment of mRNA Met-tRNAiMet
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 1000000 Reported Resolution (Å) 2.25 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space REAL Refinement Protocol AB INITIO MODEL Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 BIOQUANTUM (6k x 4k) Electron Dose (electrons/Å**2) 39
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 800 Maximum Defocus (nm) 2500 Minimum Tilt Angle (degrees) Maximum Tilt Angle (degrees) Nominal CS Imaging Mode BRIGHT FIELD Specimen Holder Model FEI TITAN KRIOS AUTOGRID HOLDER Nominal Magnification Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2000000