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X-RAY DIFFRACTION
Materials and Methods page
4BIO
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 1.2M AMMONIUM SULPHATE, 3% PEG400, PEG400, 0.001M FECL2, 0.1M HEPES PH7.5, VAPOR DIFFUSION, SITTING DROP
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 86.72 α = 90
    b = 86.72 β = 90
    c = 147.23 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector PIXEL (PILATUS 6M)
    Type DECTRIS
    Details MIRRORS
    Collection Date 2011-12-03
     
    Diffraction Radiation
    Monochromator SI 111
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type DIAMOND BEAMLINE I03
    Wavelength 0.97940
    Site DIAMOND
    Beamline I03
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.45
    Resolution(Low) 56.59
    Number Reflections(Observed) 21369
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.09
    B(Isotropic) From Wilson Plot 54.5
    Redundancy 7.1
     
    High Resolution Shell Details
    Resolution(High) 2.45
    Resolution(Low) 2.58
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.8
    Mean I Over Sigma(Observed) 2.2
    Redundancy 7.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.45
    Resolution(Low) 56.59
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 21369
    Number of Reflections(R-Free) 1092
    Percent Reflections(Observed) 99.3
    R-Factor(Observed) 0.2009
    R-Work 0.2009
    R-Free 0.2343
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 60.0
    Anisotropic B[1][1] -4.68
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -4.68
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 9.36
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.45
    Shell Resolution(Low) 2.54
    Number of Reflections(R-Free) 311
    Number of Reflections(R-Work) 3031
    R-Factor(R-Work) 0.308
    R-Factor(R-Free) 0.33
    R-Free Error 0.019
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.04
    c_bond_d 0.011
    c_angle_deg 1.39
    c_dihedral_angle_d 24.5
     
    Coordinate Error
    Luzzati ESD(Observed) 0.32
    Luzzati Sigma A(Observed) 0.35
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.34
    Luzzati Sigma A(R-Free Set) 0.37
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2759
    Nucleic Acid Atoms 0
    Heterogen Atoms 64
    Solvent Atoms 123
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement CNS 1.3
     
    Software
    refinement CNS version: 1.3
    model building PHASER