ELECTRON MICROSCOPY

Sample

Cryo-EM structure of 75S ribosome bound to Paromomycin with A/P and P/E-tRNA from Entamoeba histolytica

Specimen Preperation
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 54889
Reported Resolution (Å) 3.1
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 29.97
Fitting Procedure ?
Details phenix.real_space_refinement
Data Acquisition
Detector Type FEI FALCON III (4k x 4k)
Electron Dose (electrons/Å2) 1.09
Imaging Experiment
Date of Experiment ?
Temprature (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 ?
Imaging Experiment
Task Software Package Version
PARTICLE SELECTION RELION 3.1.4
MODEL REFINEMENT PHENIX dev_svn
CTF CORRECTION CTFFIND ?
INITIAL EULER ASSIGNMENT RELION 3.1.4
FINAL EULER ASSIGNMENT RELION 3.1.4
CLASSIFICATION RELION 3.1.4
RECONSTRUCTION RELION 3.1.4
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?
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