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ELECTRON MICROSCOPY
Materials and Methods page
3ZEX
  •   EM Refinement Details Hide
    3D Reconstruction
    Reconstruction Method REFERENCE BASED PARTICLE RECONSTRUCTION
     
    EM Map-Model Fitting & Refinement
    Refinement Space REAL
    Refinement Protocol RIGID BODY
     
    EM Image Reconstruction Statistics
    Number of Particles 164000
    Nominal Pixel Size 1.09
    Effective Resolution 5.57
    CTF Correction Method PHASE-FLIPPING
    Other Details SUBMISSION BASED ON EXPERIMENTAL DATA FROM EMDB EMD-2239 (DEPOSITION ID: 11259). THE STRUCTURE OF THE 80S FROM YEAST (3U5B AND OTHERS) AS WELL AS THE STRUCTURE OF THE 60S FROM TETRAHYMENA THERMOPHILA (4A17 AND OTHERS) WERE USED AS STARTING MODEL FOR THE 60S SUBUNIT MODEL. THE 40S FROM TETRAHYMENA THERMOPHILA (2XZM AND 2XZN) AS WELL AS THE 80S FROM YEAST WERE USED AS STARTING MODEL FOR THE 40S SUBUNIT MODEL. THE 80S MODEL OF TRITICUM AESTIVUM (3IZR AND OTHERS) WAS USED TO FIT MISSING PROTEINS FORM THE TWO X-RAY STRUCTURES.
     
    Electron Microscope Sample
    Sample Concentration (mg/ml) 0.105
    Sample pH 7.2
    Sample Support Details CARBON
    Sample Vitrification Details LIQUID ETHAN
    Sample Aggregation State PARTICLE
    Name of Sample TRYPANOSOMA BRUCEI 80S RIBOSOME
    Sample Details MICROGRAPHS COLLECTED ON FILM, SCANNED WITH NIKON SUPER COOLSCAN 9000ED
     
    Data Acquisition
    Date of Experiment 2011-01-01
    Num of Micrographs-Images Used 1102
    Temperature (Kelvin) 93.15
    Microscope Model FEI TECNAI F30
    Detector Type KODAK SO163 FILM
    Minimum Defocus (NM) 1500.0
    Maximum Defocus (NM) 4000.0
    Nominal CS 2.0
    Imaging Mode BRIGHT FIELD
    Illumination Mode LOW DOSE
    Nominal Magnification 59000
    Source FIELD EMISSION GUN
    Acceleration Voltage (KV) 300
    Imaging Details GOOD MICROGRAPHS WERE SELECTED VISUALLY AFTER SCANNING SCANNING WAS PERFORMED WITH NIKON SUPER COOLSCAN 9000 ED