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X-RAY DIFFRACTION
Materials and Methods page
1AOP
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.7
    Details pH 7.7
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 69.8 α = 90
    b = 77.4 β = 90
    c = 87.8 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 277
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1994-02-11
     
    Diffraction Radiation
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL7-1
    Wavelength 1.08
    Site SSRL
    Beamline BL7-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.6
    Resolution(Low) 30
    Number Reflections(Observed) 61005
    Percent Possible(Observed) 96.6
    Redundancy 6.0
     
    High Resolution Shell Details
    Resolution(High) 1.6
    Resolution(Low) 1.76
    Percent Possible(All) 93.5
    Mean I Over Sigma(Observed) 7.5
    R-Sym I(Observed) 0.278
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD/MIR
    reflnsShellList 1.6
    Resolution(Low) 10.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 61005
    Percent Reflections(Observed) 96.6
    R-Factor(Observed) 0.182
    R-Work 0.182
    R-Free 0.218
     
    Temperature Factor Modeling
    Mean Isotropic B Value 19.8
    Anisotropic B[1][1] -1.49
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 3.18
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.69
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.6
    Shell Resolution(Low) 1.76
    Number of Reflections(R-Work) 7058
    R-Factor(R-Work) 0.278
    Percent Reflections(Observed) 93.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_bond_d 0.01
    x_angle_deg 1.6
     
    Coordinate Error
    Luzzati Sigma A(Observed) 0.14
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3590
    Nucleic Acid Atoms 0
    Heterogen Atoms 77
    Solvent Atoms 486
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (AGROVATA, ROTAVATA)
    Structure Solution X-PLOR
    Structure Refinement X-PLOR
     
    Software
    refinement X-PLOR
    model building X-PLOR