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X-RAY DIFFRACTION
Materials and Methods page
108M
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details 3.0 M AMMONIUM SULFATE, 20 MM TRIS, 1MM EDTA, PH 9.0, pH 7.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 91.62 α = 90
    b = 91.62 β = 90
    c = 45.98 γ = 120
     
    Space Group
    Space Group Name:    P 6
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 292
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Details PINHOLE COLLIMATOR
    Collection Date 1997-03
     
    Diffraction Radiation
    Monochromator GRAPHITE(002)
     
    Diffraction Source
    Type SIEMENS
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.67
    Resolution(Low) 6
    Number Reflections(Observed) 6345
    Percent Possible(Observed) 99.0
    R Merge I(Observed) 0.098
    B(Isotropic) From Wilson Plot 27.6
    Redundancy 3.52
     
    High Resolution Shell Details
    Resolution(High) 2.67
    Resolution(Low) 2.68
    Percent Possible(All) 93.9
    R Merge I(Observed) 0.34
    Redundancy 3.56
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.67
    Resolution(Low) 5.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 4900
    Number of Reflections(R-Free) 531
    Percent Reflections(Observed) 90.8
    R-Factor(Observed) 0.124
    R-Work 0.124
    R-Free 0.226
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 29.8
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.67
    Shell Resolution(Low) 2.77
    Number of Reflections(R-Free) 64
    Number of Reflections(R-Work) 486
    R-Factor(R-Work) 0.175
    R-Factor(R-Free) 0.275
    R-Free Error 0.034
    Percent Reflections(Observed) 81.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 12.69
    x_scbond_it 11.07
    x_mcangle_it 5.92
    x_mcbond_it 5.56
    x_improper_angle_d 2.51
    x_bond_d 0.028
    x_angle_deg 2.2
    x_dihedral_angle_d 19.3
     
    Coordinate Error
    Luzzati ESD(Observed) 0.17
    Luzzati Sigma A(Observed) 0.22
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.32
    Luzzati Sigma A(R-Free Set) 0.33
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1229
    Nucleic Acid Atoms 0
    Heterogen Atoms 54
    Solvent Atoms 86
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution X-PLOR 3.851
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR version: 3.851
    model building X-PLOR version: 3.851