ELECTRON MICROSCOPY

Sample

T. thermophilus 30S initiation complex with 30S, fMet-tRNA, IF2-GTP, IF1, and mRNA

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument FEI VITROBOT MARK I
Cryogen Name ETHANE
Sample Vitrification Details Vitrification carried out in liquid ethane
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 13000
Reported Resolution (Å) 11.5
Resolution Method ?
Other Details ?
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--cross-correlation gradient based REFINEMENT PROTOCOL--flexible fitting, dynamic elastic network
Data Acquisition
Detector Type FEI EAGLE (4k x 4k)
Electron Dose (electrons/Å2) 1.5
Imaging Experiment
Date of Experiment 2011-10-09
Temprature (Kelvin)
Microscope Model FEI TECNAI F30
Minimum Defocus (nm) -1500
Maximum Defocus (nm) -3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS ?
Imaging Mode BRIGHT FIELD
Specimen Holder Model ?
Nominal Magnification 59000
Calibrated Magnification ?
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 150
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING DireX ?
RECONSTRUCTION EMAN 2
RECONSTRUCTION IMAGIC ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details