ELECTRON MICROSCOPY

Sample

70S ribosome-EF-Tu H84A complex with GTP and near-cognate tRNA (Complex 1)

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details 5 second blot time, no wait time
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 30623
Reported Resolution (Å) 3.6
Resolution Method FSC 0.143 CUT-OFF
Other Details ?
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space RECIPROCAL
Refinement Protocol OTHER
Refinement Target ?
Overall B Value 82
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type GATAN K2 SUMMIT (4k x 4k)
Electron Dose (electrons/Å2) 67
Imaging Experiment
Date of Experiment ?
Temprature (Kelvin)
Microscope Model FEI POLARA 300
Minimum Defocus (nm) 1500
Maximum Defocus (nm) 3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.26
Imaging Mode BRIGHT FIELD
Specimen Holder Model OTHER
Nominal Magnification 39000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 300
Imaging Details ?
Imaging Experiment
Task Software Package Version
IMAGE ACQUISITION Leginon ?
CTF CORRECTION Gctf 0.5
CTF CORRECTION RELION 2
MODEL FITTING Coot 0.88
INITIAL EULER ASSIGNMENT RELION 2
FINAL EULER ASSIGNMENT RELION 2
CLASSIFICATION RELION 2
RECONSTRUCTION RELION 2
MODEL REFINEMENT REFMAC 5.7
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
PHASE FLIPPING AND AMPLITUDE CORRECTION ?