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An Information Portal to 105212 Biological Macromolecular Structures

ELECTRON MICROSCOPY
Materials and Methods page
1PN8
  •   EM Refinement Details Hide
    3D Reconstruction
    Reconstruction Method 3D projection matching; conjugate gradients with regularization
     
    EM Map-Model Fitting & Refinement
    Refinement Space REAL
    Fitting Procedure Manual fitting in O
     
    EM Image Reconstruction Statistics
    Actual Pixel Size 2.82
    Effective Resolution 10.8
    CTF Correction Method CTF correction of 3D-maps by Wiener filteration
    EM Reconstruction Magnification Callibration TMV
    Other Details SPIDER package. Crystal Structure of Thermus Thermophilus 70S ribosome
     
    Electron Microscope Sample
    Sample Concentration (mg/ml) 32.0
    Sample pH 7.5
    Sample Support Details Quantifoil holley-carbon film grids
    Sample Vitrification Details Rapid-freezing in liquid ethane
    Sample Aggregation State PARTICLE
     
    Data Acquisition
    Date of Experiment 2001-06-01
    Temperature (Kelvin) 93.0
    Microscope Model FEI TECNAI F20
    Detector Type KODAK SO163 FILM
    Minimum Defocus (NM) 1500.0
    Maximum Defocus (NM) 4000.0
    Minimum Tilt Angle (degrees) 0.0
    Maximum Tilt Angle (degrees) 0.0
    Nominal CS 2.0
    Imaging Mode BRIGHT FIELD
    Electron Dose (electrons nm**-2) 2000.0
    Illumination Mode FLOOD BEAM
    Nominal Magnification 50000
    Calibrated Magnification 49696
    Source FIELD EMISSION GUN
    Acceleration Voltage (KV) 200
     
    Biomolecule
    COM ID 1
    Name E-tRNA
    COM ID 2
    Name 30S ribosomal protein S12
    IPR ID 006032
    GO ID 0006412
    COM ID 3
    Name 50S ribosomal protein L11
    IPR ID 000911
    GO ID 0006412