ELECTRON MICROSCOPY

Sample

70S ribosome with VmlR2 bound in the E site, a distorted tRNA in the P site, and a substoichiometric distorted tRNA in the A site

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument ?
Cryogen Name ETHANE
Sample Vitrification Details ?
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 140804
Reported Resolution (Å) 2.9
Resolution Method FSC 0.143 CUT-OFF
Other Details RELION 3D autorefine.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol ?
Refinement Target Map-model cross correlation and MolProbity score
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 28.25
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) 700
Maximum Defocus (nm) 1900
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.7
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 165000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION Gautomatch ?
CTF CORRECTION Gctf ?
MODEL FITTING Coot ?
INITIAL EULER ASSIGNMENT RELION ?
CLASSIFICATION RELION ?
RECONSTRUCTION RELION ?
MODEL REFINEMENT PHENIX ?
MODEL REFINEMENT REFMAC ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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