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X-RAY DIFFRACTION
Materials and Methods page
4IQU
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6
    Temperature 293.0
    Details 20% PEG4000, 200 mM sodium formate, 100 mM MES, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 46.91 α = 90
    b = 84.8 β = 90
    c = 114.49 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 MARMOSAIC 225 mm CCD
    Collection Date 2011-11-14
     
    Diffraction Radiation
    Monochromator Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-2
    Wavelength List 0.872600
    Site ESRF
    Beamline ID23-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.4
    Resolution(Low) 40
    Number Reflections(All) 18550
    Number Reflections(Observed) 18521
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.115
    B(Isotropic) From Wilson Plot 45.84
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.53
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.656
    Mean I Over Sigma(Observed) 2.0
    Redundancy 3.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.4
    Resolution(Low) 39.76
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 18520
    Number of Reflections(R-Free) 950
    Percent Reflections(Observed) 99.88
    R-Factor(Observed) 0.1872
    R-Work 0.1852
    R-Free 0.2249
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 43.43
    Anisotropic B[1][1] 6.4643
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 3.9109
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -10.3752
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.54
    Number of Reflections(R-Free) 146
    Number of Reflections(R-Work) 2813
    R-Factor(R-Work) 0.2068
    R-Factor(R-Free) 0.289
    Percent Reflections(Observed) 99.88
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    t_bond_d 0.01
    t_angle_deg 0.97
    t_omega_torsion 2.95
    t_other_torsion 2.95
     
    Coordinate Error
    Luzzati ESD(Observed) 0.27
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2890
    Nucleic Acid Atoms 0
    Heterogen Atoms 25
    Solvent Atoms 270
     
     
  •   Software and Computing Hide
    Computing
    Data Collection DNA
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement BUSTER 2.11.2
     
    Software
    refinement BUSTER version: 2.11.2
    model building PHASER
    data collection DNA