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E. coli 70S ribosome with an improved MS2 tag inserted in H98
Sample E. coli 70S ribosome Sample Components 50S Subunit 30S Subunit mRNA tRNA
Specimen Preparation Sample Aggregation State PARTICLE Vitrification Instrument FEI VITROBOT MARK III Cryogen Name ETHANE Sample Vitrification Details
3D Reconstruction Reconstruction Method SINGLE PARTICLE Number of Particles 601617 Reported Resolution (Å) 1.85 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT
Map-Model Fitting and Refinement Id 1 Refinement Space Refinement Protocol RIGID BODY FIT Refinement Target Overall B Value Fitting Procedure Details
Data Acquisition Detector Type GATAN K3 (6k x 4k) Electron Dose (electrons/Å**2) 40
Imaging Experiment 1 Date of Experiment Temperature (Kelvin) Microscope Model FEI TITAN KRIOS Minimum Defocus (nm) 500 Maximum Defocus (nm) 1500 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 cryoSPARC 3 IMAGE ACQUISITION SerialEM CTF CORRECTION cryoSPARC 3 MODEL FITTING UCSF ChimeraX MODEL FITTING Coot INITIAL EULER ASSIGNMENT cryoSPARC 3 FINAL EULER ASSIGNMENT cryoSPARC 3 CLASSIFICATION cryoSPARC 3 RECONSTRUCTION cryoSPARC 3 MODEL REFINEMENT PHENIX
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 2475999