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X-RAY DIFFRACTION
Materials and Methods page
2R4S
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 295.0
    Details Ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 338.38 α = 90
    b = 48.48 β = 104.6
    c = 89.35 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 300 mm CCD
    Collection Date 2007-06-27
     
    Diffraction Radiation
    Monochromator Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 23-ID-B
    Wavelength List 1.033
    Site APS
    Beamline 23-ID-B
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 3.4
    Resolution(Low) 50
    Number Reflections(Observed) 19488
    Percent Possible(Observed) 99.4
    R Merge I(Observed) 0.12
    Redundancy 4.1
     
    High Resolution Shell Details
    Resolution(High) 3.4
    Resolution(Low) 3.52
    Percent Possible(All) 98.4
    R Merge I(Observed) 0.456
    Mean I Over Sigma(Observed) 2.6
    Redundancy 3.4
    Number Unique Reflections(All) 1873
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.4
    Resolution(Low) 19.99
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 19344
    Number of Reflections(R-Free) 1886
    Percent Reflections(Observed) 97.7
    R-Work 0.226
    R-Free 0.28
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model GROUP
    Mean Isotropic B Value 123.3
    Anisotropic B[1][1] -16.53
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 13.05
    Anisotropic B[2][2] 20.33
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -3.8
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.4
    Shell Resolution(Low) 3.61
    Number of Reflections(R-Free) 295
    Number of Reflections(R-Work) 2562
    R-Factor(R-Work) 0.27
    R-Factor(R-Free) 0.322
    R-Free Error 0.019
    Percent Reflections(Observed) 88.3
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.97
    c_dihedral_angle_d 24.9
    c_angle_deg 1.5
    c_bond_d 0.008
     
    Coordinate Error
    Luzzati ESD(Observed) 0.37
    Luzzati Sigma A(Observed) 0.4
    Luzzati Resolution Cutoff(Low) 6.0
    Luzzati ESD(R-Free Set) 0.45
    Luzzati Sigma A(R-Free Set) 0.41
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4925
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution PHASER
    Structure Refinement CNS 1.2
     
    Software
    data extraction pdb_extract version: 3.000
    refinement CNS version: 1.2
    molecular replacement Phaser
    data processing HKL