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Cryo- EM structure of small subunit (body) of 75S ribosome with A/P- & P/E- tRNAs from Entamoeba histolytica
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details other Other
Sample Cryo-EM structure of SSU-body of 75S ribosome with A/P and P/E-tRNA from Entamoeba histolytica
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 39958 Reported Resolution (Å) 3.21 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 FLEXIBLE FIT Refinement Target Overall B Value 55.92 Fitting Procedure Details phenix.real_space_refinement
Data Acquisition Detector Type FEI FALCON III (4k x 4k) Electron Dose (electrons/Å**2) 1.106
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model TFS KRIOS Minimum Defocus (nm) 1800 Maximum Defocus (nm) 3000 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 75000 Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION 3.1.4 IMAGE ACQUISITION EPU CTF CORRECTION CTFFIND MODEL FITTING Coot INITIAL EULER ASSIGNMENT RELION 3.1.4 FINAL EULER ASSIGNMENT RELION 3.1.4 CLASSIFICATION RELION 3.1.4 RECONSTRUCTION RELION 3.1.4 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 142247