ELECTRON MICROSCOPY

Sample

70S PRE-INITIATION COMPLEX ENTRAPPED BY S15- RPSOMRNA

Specimen Preperation
Sample Aggregation State PARTICLE
Vitrification Instrument HOMEMADE PLUNGER
Cryogen Name ETHANE
Sample Vitrification Details BLOT FOR 2 SECONDS BEFORE PLUNGING IN LIQUID ETHANE USING A HOME-MADE CRYO- PLUNGER
3D Reconstruction
Reconstruction Method SINGLE PARTICLE
Number of Particles 31415
Reported Resolution (Å) 10
Resolution Method ?
Other Details THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON THESE RECORDS ARE MEANINGLESS. THE MRNA HAS BEEN MODELED USING MANIP (MASSIRE AND WESTHOF).
Refinement Type
Symmetry Type POINT
Map-Model Fitting and Refinement
ID 1
Refinement Space REAL
Refinement Protocol OTHER
Refinement Target ?
Overall B Value ?
Fitting Procedure ?
Details METHOD--MANUAL REFINEMENT PROTOCOL--X-RAY AND HOMOLOGY MODELS
Data Acquisition
Detector Type KODAK SO-163 FILM
Electron Dose (electrons/Å2) 20
Imaging Experiment
Date of Experiment 2005-01-05
Temprature (Kelvin)
Microscope Model FEI TECNAI F20
Minimum Defocus (nm) 800
Maximum Defocus (nm) 3500
Minimum Tilt Angle (degrees) ?
Maximum Tilt Angle (degrees) ?
Nominal CS 2.0
Imaging Mode BRIGHT FIELD
Specimen Holder Model .
Nominal Magnification 50000
Calibrated Magnification 51484
Source FIELD EMISSION GUN
Acceleration Voltage (kV) 200
Imaging Details ?
Imaging Experiment
Task Software Package Version
MODEL FITTING O ?
MODEL FITTING PyMOL ?
RECONSTRUCTION IMAGIC 5
Image Processing
CTF Correction Type CTF Correction Details Number of Particles Selected Particle Selection Details
? INDIVIDUAL PARTICLES