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X-RAY DIFFRACTION
Materials and Methods page
2WDG
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.1
    Details pH 7.1
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 212.13 α = 90
    b = 450.8 β = 90
    c = 629.62 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 77
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 2008-03-10
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SLS BEAMLINE X06SA
    Wavelength 1.003
    Site SLS
    Beamline X06SA
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.97
    Resolution(High) 3.3
    Resolution(Low) 50
    Number Reflections(Observed) 1162500
    Percent Possible(Observed) 99.4
    R Merge I(Observed) 0.15
    B(Isotropic) From Wilson Plot 77.7
    Redundancy 5.3
     
    High Resolution Shell Details
    Resolution(High) 3.3
    Resolution(Low) 3.4
    Percent Possible(All) 99.2
    R Merge I(Observed) 0.97
    Mean I Over Sigma(Observed) 0.97
    Redundancy 5.22
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.3
    Resolution(Low) 50.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 890239
    Number of Reflections(R-Free) 41356
    Percent Reflections(Observed) 99.4
    R-Factor(Observed) 0.223
    R-Work 0.223
    R-Free 0.272
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 113.9
    Anisotropic B[1][1] 4.24
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.52
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -4.76
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.3
    Shell Resolution(Low) 3.51
    Number of Reflections(R-Free) 7306
    Number of Reflections(R-Work) 139721
    R-Factor(R-Work) 0.351
    R-Factor(R-Free) 0.374
    R-Free Error 0.004
    Percent Reflections(Observed) 99.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.5
    c_bond_d 0.007
    c_angle_deg 1.2
    c_dihedral_angle_d 28.9
     
    Coordinate Error
    Luzzati ESD(Observed) 0.46
    Luzzati Sigma A(Observed) 0.81
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.53
    Luzzati Sigma A(R-Free Set) 0.86
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 19157
    Nucleic Acid Atoms 37429
    Heterogen Atoms 786
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XDS
    Structure Solution CNS
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building CNS