ELECTRON MICROSCOPY

Sample

TetM*GDPNP bound to 70S E.coli ribosome

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK IV
Cryogen Name ETHANE
Sample Vitrification Details liquid ethane / Vitrobot Mark IV
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 52701
Reported Resolution (Å) 7.2
Resolution Method ?
Other Details a modified version of SPIDER program was used for the reconstruction
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 METHOD--Local refinement, Flexible fitting REFINEMENT PROTOCOL--rigid body
Data Acquisition
Detector Type TVIPS TEMCAM-F416 (4k x 4k)
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2011-07-01
Temprature (Kelvin)
Microscope Model FEI TITAN KRIOS
Minimum Defocus (nm) -1000
Maximum Defocus (nm) -3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 75000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING Coot ?
MODEL FITTING DireX ?
MODEL FITTING UCSF Chimera ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
. The volumes were CTF-corrected in defocus groups