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X-RAY DIFFRACTION
Materials and Methods page
1XUJ
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.2
    Details SYNTHETIC MOTHER LIQUOR = 75% SATURATED MAGNESIUM SULFATE, 25 % 1.0 M TRIS ADJUSTED TO PH 8.2; SATURATED IN KETO-BABIM, 5.0 MM ZN+2. COMPLEX PRODUCED BY SOAKING TRYPSIN-BENZAMIDINE CO-CRYSTAL.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 55.06 α = 90
    b = 55.06 β = 90
    c = 109.85 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Detector
    Detector AREA DETECTOR
    Type SIEMENS
     
    Diffraction Radiation
     
    Diffraction Source
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.5
    Number Reflections(Observed) 13575
    Percent Possible(Observed) 80.7
    R Merge I(Observed) 0.081
    Redundancy 4.1
     
    High Resolution Shell Details
    Resolution(High) 1.92
    Resolution(Low) 2.01
    Percent Possible(All) 41.2
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.92
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 12502
    R-Factor(Observed) 0.144
    R-Work 0.144
    R-Free 0.171
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 26.8
    x_bond_d 0.016
    x_angle_deg 3.1
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1629
    Nucleic Acid Atoms 0
    Heterogen Atoms 33
    Solvent Atoms 143
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) SADIE, SAINT (SIEMENS)
    Structure Solution X-PLOR
    Structure Refinement X-PLOR
     
    Software
    refinement X-PLOR
    model building X-PLOR
    data collection SAINT version: (SIEMENS)
    data collection SADIE