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X-RAY DIFFRACTION
Materials and Methods page
4E8R
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 303.0
    Details 100 mM magnesium acetate, 200 mM cesium chloride, 50 mM HEPES sodium, pH 7.0, 4% PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 303K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 90.2 α = 90
    b = 94.92 β = 90
    c = 225.71 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Collection Date 2011-08-10
     
    Diffraction Radiation
    Monochromator double crystal Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 24-ID-C
    Wavelength List 1.4861
    Site APS
    Beamline 24-ID-C
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 3.36
    Resolution(Low) 48.5
    Number Reflections(Observed) 26102
    Percent Possible(Observed) 97.5
    R Merge I(Observed) 0.081
    Redundancy 7.0
     
    High Resolution Shell Details
    Resolution(High) 3.36
    Resolution(Low) 3.45
    Percent Possible(All) 96.8
    R Merge I(Observed) 0.967
    Mean I Over Sigma(Observed) 2.0
    Redundancy 6.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.36
    Resolution(Low) 48.5
    Number of Reflections(Observed) 26102
    Number of Reflections(R-Free) 1384
    Percent Reflections(Observed) 97.1
    R-Factor(Observed) 0.20325
    R-Work 0.20035
    R-Free 0.25799
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 134.279
    Anisotropic B[1][1] 3.03
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.43
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -3.46
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.364
    Shell Resolution(Low) 3.451
    Number of Reflections(R-Free) 87
    Number of Reflections(R-Work) 1741
    R-Factor(R-Work) 0.29
    R-Factor(R-Free) 0.386
    Percent Reflections(Observed) 95.66
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.01
    r_chiral_restr 0.159
    r_angle_refined_deg 2.392
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 8412
    Heterogen Atoms 122
    Solvent Atoms 26
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building PHASER