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X-RAY DIFFRACTION
Materials and Methods page
2R4R
  •   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 225 mm CCD
    Collection Date 2007-05-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-2
    Wavelength List 0.8726
    Site ESRF
    Beamline ID23-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.4
    Resolution(Low) 86.4
    Number Reflections(All) 19903
    Number Reflections(Observed) 19671
    Percent Possible(Observed) 98.9
    R Merge I(Observed) 0.117
    B(Isotropic) From Wilson Plot 67.2
    Redundancy 3.3
     
    High Resolution Shell Details
    Resolution(High) 3.4
    Resolution(Low) 3.49
    Percent Possible(All) 94.9
    R Merge I(Observed) 0.407
    Mean I Over Sigma(Observed) 2.3
    Redundancy 2.9
    Number Unique Reflections(All) 1642
     
     
  •   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(all) 19782
    Number of Reflections(Observed) 19560
    Number of Reflections(R-Free) 1902
    Percent Reflections(Observed) 98.8
    R-Work 0.217
    R-Free 0.27
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model GROUP
    Mean Isotropic B Value 92.6
    Anisotropic B[1][1] -26.92
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 4.34
    Anisotropic B[2][2] 31.12
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -4.2
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.4
    Shell Resolution(Low) 3.61
    Number of Reflections(R-Free) 315
    Number of Reflections(R-Work) 2793
    R-Factor(R-Work) 0.264
    R-Factor(R-Free) 0.31
    R-Free Error 0.017
    Percent Reflections(Observed) 96.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.94
    c_dihedral_angle_d 24.9
    c_angle_deg 1.4
    c_bond_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.35
    Luzzati Sigma A(Observed) 0.39
    Luzzati Resolution Cutoff(Low) 6.0
    Luzzati ESD(R-Free Set) 0.45
    Luzzati Sigma A(R-Free Set) 0.42
     
    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 Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement CNS 1.2
     
    Software
    data extraction pdb_extract version: 3.000
    refinement CNS version: 1.2
    molecular replacement Phaser