ELECTRON MICROSCOPY

Sample

E. coli 70S ribosome complex 70S-(EttA-EQ2)-(fMet-tRNA)-(Phe-tRNA)

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details Wait time 30 sec, blot time 8 sec (4 C), plunge into liquid ethane (FEI VITROBOT MARK IV)
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 39316
Reported Resolution (Å) 7.5
Resolution Method FSC 0.143 CUT-OFF
Other Details Subset after RELION 3D classification
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol FLEXIBLE FIT
Refinement Target Cross-correlation coefficient
Overall B Value ?
Fitting Procedure ?
Details REFINEMENT PROTOCOL--FLEXIBLE DETAILS--Protocol- Molecular dynamics flexible fitting
Data Acquisition
Detector Type GATAN ULTRASCAN 4000 (4k x 4k)
Electron Dose (electrons/Å2) 17
Imaging Experiment
Date of Experiment 2013-04-05
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 1200
Maximum Defocus (nm) 2500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model GATAN LIQUID NITROGEN
Nominal Magnification 80000
Calibrated Magnification 110637
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING NAMD ?
RECONSTRUCTION RELION ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. Each micrograph
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