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E. coli 70S ribosome with A-loop mutations U2554C and U2555C
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7K00
Sample E. coli 70S ribosome with A-loop mutations U2554C and U2555C Sample Components 50S Subunit 30S Subunit
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 114493 Reported Resolution (Å) 2.24 Resolution Method FSC 0.143 CUT-OFF Other Details Refinement Type Symmetry Type POINT Point Symmetry C1
Map-Model Fitting and Refinement Id 1 (7K00) Refinement Space REAL Refinement Protocol OTHER Refinement Target Overall B Value 38.8 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 2.7 Imaging Mode BRIGHT FIELD Specimen Holder Model Nominal Magnification 105000 Calibrated Magnification Source FIELD EMISSION GUN Acceleration Voltage (kV) 300 Imaging Details
EM Software Task Software Package Version PARTICLE SELECTION RELION IMAGE ACQUISITION SerialEM CTF CORRECTION CTFFIND MODEL REFINEMENT PHENIX MODEL REFINEMENT Coot RECONSTRUCTION RELION
Image Processing CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details PHASE FLIPPING AND AMPLITUDE CORRECTION 1614362