ELECTRON MICROSCOPY

Sample

signal recognition particle interacting with elongation-arrested ribosome

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument ?
Cryogen Name ETHANE
Sample Vitrification Details PLUNGED INTO ETHANE
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles ?
Reported Resolution (Å) 12.0
Resolution Method FSC 0.5 CUT-OFF
Other Details The chains M, N, O, P, Q and R are fragments of a double helical strand of RNA. The author maintains that some of the residues could not be modeled correctly due to limited resolution in this region.
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space ?
Refinement Protocol ?
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details ?
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 10
Imaging Experiment
Date of Experiment 2000-01-01
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 10000
Maximum Defocus (nm) 45000
Minimum Tilt Angle (degrees) 0
Maximum Tilt Angle (degrees) 0
Nominal CS 2
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 51000
Calibrated Magnification 52000
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 160
Imaging Details SAMPLES WERE MAINTAINED AT LIQUID NITROGEN TEMPERATURES IN THE ELECTRON MICROSCOPE.
Imaging Experiment
Task Software Package Version
RECONSTRUCTION SPIDER ?
RECONSTRUCTION SPIDER ?
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details