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X-RAY DIFFRACTION
Materials and Methods page
1A2Y
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details pH 6.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 130.67 α = 90
    b = 61.21 β = 119.14
    c = 57.42 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Collection Date 1997-07
     
    Diffraction Radiation
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS
    Wavelength 0.928
    Site CHESS
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 1.5
    Number Reflections(Observed) 59595
    Percent Possible(Observed) 90.4
    R Merge I(Observed) 0.069
     
    High Resolution Shell Details
    Resolution(High) 1.5
    Resolution(Low) 1.55
    Percent Possible(All) 30.1
    R Merge I(Observed) 0.301
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.5
    Resolution(Low) 7.0
    Cut-off Sigma(F) 3.0
    Number of Reflections(Observed) 56703
    Number of Reflections(R-Free) 3416
    Percent Reflections(Observed) 90.4
    R-Factor(Observed) 0.203
    R-Work 0.203
    R-Free 0.251
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.5
    Shell Resolution(Low) 1.55
    Number of Reflections(R-Free) 208
    Number of Reflections(R-Work) 2939
    R-Factor(R-Work) 0.302
    R-Factor(R-Free) 0.308
    Percent Reflections(Observed) 50.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.35
    x_bond_d 0.012
    x_angle_deg 1.49
    x_dihedral_angle_d 25.9
     
    Coordinate Error
    Luzzati ESD(Observed) 0.2
    Luzzati Sigma A(Observed) 0.2
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2728
    Nucleic Acid Atoms 0
    Heterogen Atoms 5
    Solvent Atoms 485
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR 3.1
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR version: 3.1
    data reduction SCALEPACK
    data collection DENZO