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X-RAY DIFFRACTION
Materials and Methods page
1IJN
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5
    Temperature 298.0
    Details 40% PEG 550 monomethyl ether, 0.1M sodium citrate, 0.1M ammonium sulphate, 0.1% BME, pH 5.0, VAPOR DIFFUSION, HANGING DROP at 298K, temperature 298.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 43.15 α = 90
    b = 85.24 β = 90
    c = 64.8 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 2000-07-31
     
    Diffraction Radiation
    Monochromator double crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM14
    Wavelength List 0.934
    Site ESRF
    Beamline BM14
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.7
    Resolution(Low) 20
    Number Reflections(All) 26695
    Number Reflections(Observed) 26695
    Percent Possible(Observed) 98.1
    R Merge I(Observed) 0.034
    B(Isotropic) From Wilson Plot 21.3
    Redundancy 3.3
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.76
    Percent Possible(All) 93.0
    R Merge I(Observed) 0.222
    Mean I Over Sigma(Observed) 4.7
    Redundancy 2.8
    Number Unique Reflections(All) 2479
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 1.7
    Resolution(Low) 19.92
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 23858
    Number of Reflections(Observed) 23858
    Number of Reflections(R-Free) 2665
    Percent Reflections(Observed) 100.0
    R-Factor(All) 0.2072
    R-Factor(Observed) 0.2072
    R-Work 0.2038
    R-Free 0.237
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model isotropic
    Mean Isotropic B Value 19.71
    Anisotropic B[1][1] 0.15
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.25
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.39
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    p_xyhbond_nbd 0.171
    p_xhyhbond_nbd 0.199
    p_bond_d 0.008
    p_angle_d 1.268
    p_mcbond_it 0.764
    p_mcangle_it 1.439
    p_scbond_it 2.146
    p_scangle_it 3.618
    p_plane_restr 0.004
    p_chiral_restr 0.083
    p_singtor_nbd 3.866
    p_multtor_nbd 15.333
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1771
    Nucleic Acid Atoms 0
    Heterogen Atoms 24
    Solvent Atoms 216
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement REFMAC
     
    Software
    refinement REFMAC
    model building REFMAC
    data reduction SCALEPACK
    data collection DENZO