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X-RAY DIFFRACTION
Materials and Methods page
4B7K
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 1.6 M AMMONIUM SULPHATE, 6% PEG 400, 0.1 M HEPES PH 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 86.36 α = 90
    b = 86.36 β = 90
    c = 148.31 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-F)
    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) 2.39
    Resolution(Low) 29.9
    Number Reflections(Observed) 22918
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.08
    B(Isotropic) From Wilson Plot 45.4
    Redundancy 12.0
     
    High Resolution Shell Details
    Resolution(High) 2.39
    Resolution(Low) 2.45
    Percent Possible(All) 91.7
    R Merge I(Observed) 0.53
    Mean I Over Sigma(Observed) 2.2
    Redundancy 9.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.39
    Resolution(Low) 29.91
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 22918
    Number of Reflections(R-Free) 1192
    Percent Reflections(Observed) 99.3
    R-Factor(Observed) 0.225
    R-Work 0.225
    R-Free 0.241
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 61.2
    Anisotropic B[1][1] -3.31
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -3.31
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 6.62
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.39
    Shell Resolution(Low) 2.45
    Number of Reflections(R-Free) 78
    Number of Reflections(R-Work) 1518
    R-Factor(R-Work) 0.347
    R-Factor(R-Free) 0.333
    R-Free Error 0.029
    Percent Reflections(Observed) 91.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 4.3
    c_scbond_it 4.03
    c_mcangle_it 1.95
    c_mcbond_it 1.17
    c_improper_angle_d 1.05
    c_bond_d 0.009
    c_angle_deg 1.4
    c_dihedral_angle_d 24.1
     
    Coordinate Error
    Luzzati ESD(Observed) 0.35
    Luzzati Sigma A(Observed) 0.39
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.37
    Luzzati Sigma A(R-Free Set) 0.38
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2836
    Nucleic Acid Atoms 0
    Heterogen Atoms 31
    Solvent Atoms 84
     
     
  •   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