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X-RAY DIFFRACTION
Materials and Methods page
1QAO
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.8
    Temperature 298.0
    Details PEG 8000, ammonium acetate, pH 7.8 at 298 K, VAPOR DIFFUSION, HANGING DROP
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 81.46 α = 90
    b = 81.46 β = 90
    c = 121.57 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IIC
    Collection Date 1997-06-11
     
    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 (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.7
    Resolution(Low) 50
    Number Reflections(All) 11313
    Number Reflections(Observed) 11313
    Percent Possible(Observed) 95.5
    R Merge I(Observed) 0.039
    B(Isotropic) From Wilson Plot 68.0
    Redundancy 3.2
     
    High Resolution Shell Details
    Resolution(High) 2.7
    Resolution(Low) 2.8
    Percent Possible(All) 96.6
    R Merge I(Observed) 0.298
    Redundancy 3.2
    Number Unique Reflections(All) 1113
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.7
    Resolution(Low) 50.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 11308
    Number of Reflections(Observed) 11308
    Number of Reflections(R-Free) 1102
    R-Work 0.23
    R-Free 0.281
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_angle_d 1.4
    x_bond_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1973
    Nucleic Acid Atoms 0
    Heterogen Atoms 27
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) R-AXIS
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building CNS