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X-RAY DIFFRACTION
Materials and Methods page
1O2Q
  •   Crystallization Hide
    Crystallization Experiments
    Method vapor diffusion
    pH 8.1
    Temperature 298.0
    Details magnesium sulfate soak at target pH (8.32). vapor diffusion at 298 K, pH 8.10
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.77 α = 90
    b = 63.1 β = 90
    c = 69.48 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 2001-07-13
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.5
    Resolution(High) 1.37
    Resolution(Low) 44.86
    Number Reflections(All) 59985
    Number Reflections(Observed) 39772
    Percent Possible(Observed) 66.3
    R Merge I(Observed) 0.072
    Redundancy 2.1
     
    High Resolution Shell Details
    Resolution(High) 1.5
    Resolution(Low) 1.57
    Percent Possible(All) 36.9
    R Merge I(Observed) 0.323
    Mean I Over Sigma(Observed) 1.2
    Number Unique Reflections(All) 5745
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method Fourier synthesis
    reflnsShellList 1.5
    Resolution(Low) 7.0
    Cut-off Sigma(F) 1.0
    Number of Reflections(all) 45068
    Number of Reflections(Observed) 32886
    Number of Reflections(R-Free) 3341
    Percent Reflections(Observed) 72.97
    R-Factor(Observed) 0.178
    R-Work 0.177
    R-Free 0.188
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_angle_deg 3.5
    x_bond_d 0.017
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1629
    Nucleic Acid Atoms 0
    Heterogen Atoms 32
    Solvent Atoms 226
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) BIOTEX
    Data Reduction (data scaling) BIOTEX
    Structure Solution QUANTA
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR version: 3.851
    data reduction Biotex version: 1.2
    data collection Biotex version: 1.2