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X-RAY DIFFRACTION
Materials and Methods page
1OKY
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 2.1 M AMMONIUM SULPHATE 0.1 M TRIS-HCL PH 7.2
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 124.17 α = 90
    b = 124.17 β = 90
    c = 47.31 γ = 120
     
    Space Group
    Space Group Name:    P 32 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2002-07-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.933
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.3
    Resolution(Low) 25
    Number Reflections(Observed) 18018
    Percent Possible(Observed) 95.8
    R Merge I(Observed) 0.096
    B(Isotropic) From Wilson Plot 28.1
    Redundancy 1.8
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.38
    Percent Possible(All) 95.8
    R Merge I(Observed) 0.505
    Mean I Over Sigma(Observed) 1.8
    Redundancy 1.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 24.67
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 18012
    Number of Reflections(R-Free) 753
    Percent Reflections(Observed) 95.7
    R-Factor(Observed) 0.219
    R-Work 0.219
    R-Free 0.255
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 33.1
    Anisotropic B[1][1] 4.52
    Anisotropic B[1][2] 2.01
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 4.52
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -9.05
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.44
    Number of Reflections(R-Free) 152
    Number of Reflections(R-Work) 2776
    R-Factor(R-Work) 0.303
    R-Factor(R-Free) 0.364
    R-Free Error 0.03
    Percent Reflections(Observed) 94.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.22
    c_scbond_it 2.15
    c_mcangle_it 2.58
    c_mcbond_it 1.54
    c_improper_angle_d 0.77
    c_bond_d 0.007
    c_angle_deg 1.7
    c_dihedral_angle_d 22.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.29
    Luzzati Sigma A(Observed) 0.34
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.34
    Luzzati Sigma A(R-Free Set) 0.41
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2288
    Nucleic Acid Atoms 0
    Heterogen Atoms 78
    Solvent Atoms 97
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building AMORE