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X-RAY DIFFRACTION
Materials and Methods page
1A17
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 1.8 M AMMONIUM SULFATE, 4% MPD, 100 MM HEPES PH 7.5, 2 MM DTT
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 90.06 α = 90
    b = 90.06 β = 90
    c = 104.45 γ = 90
     
    Space Group
    Space Group Name:    I 4 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Details MIRRORS
    Collection Date 1997-09
     
    Diffraction Radiation
    Monochromator DOUBLE CRYSTAL SI(111)
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX9.6
    Wavelength 0.87
    Site SRS
    Beamline PX9.6
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.45
    Resolution(Low) 15
    Number Reflections(Observed) 7832
    Percent Possible(Observed) 96.8
    R Merge I(Observed) 0.073
    Redundancy 2.9
     
    High Resolution Shell Details
    Resolution(High) 2.45
    Resolution(Low) 2.54
    Percent Possible(All) 97.6
    R Merge I(Observed) 0.133
    Mean I Over Sigma(Observed) 3.0
    R-Sym I(Observed) 0.133
    Redundancy 2.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MIRAS
    reflnsShellList 2.45
    Resolution(Low) 20.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 7796
    Number of Reflections(R-Free) 1045
    Percent Reflections(Observed) 96.3
    R-Factor(Observed) 0.201
    R-Work 0.201
    R-Free 0.298
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1281
    Nucleic Acid Atoms 0
    Heterogen Atoms 10
    Solvent Atoms 78
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SHARP
    Structure Refinement X-PLOR 3.82
     
    Software
    refinement X-PLOR version: 3.82
    model building SHARP