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X-RAY DIFFRACTION
Materials and Methods page
1H52
  •   Crystallization Hide
    Crystallization Experiments
    pH 5.2
    Details 20MM SODIUM CITRATE, 0.2M SODIUM POTASSIUM TARTARATE, 10% PEG 6000 PH 5.2
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 86.02 α = 90
    b = 37.78 β = 90
    c = 32.97 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGEPLATE
    Type MARRESEARCH
    Details MIRRORS
    Collection Date 1998-09-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX9.5
    Wavelength 0.87
    Site SRS
    Beamline PX9.5
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2
    Resolution(Low) 30
    Number Reflections(Observed) 6973
    Percent Possible(Observed) 91.1
    R Merge I(Observed) 0.085
    B(Isotropic) From Wilson Plot 14.0
    Redundancy 5.3
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.06
    Percent Possible(All) 78.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 6947
    Number of Reflections(R-Free) 384
    Percent Reflections(Observed) 91.0
    R-Factor(Observed) 0.235
    R-Work 0.235
    R-Free 0.287
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 26.9
    Anisotropic B[1][1] -8.46
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -2.29
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 10.75
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(R-Free) 40
    Number of Reflections(R-Work) 937
    R-Factor(R-Work) 0.292
    R-Factor(R-Free) 0.334
    R-Free Error 0.053
    Percent Reflections(Observed) 79.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.54
    c_scbond_it 1.73
    c_mcangle_it 2.14
    c_mcbond_it 1.28
    c_improper_angle_d 1.0
    c_bond_d 0.009
    c_angle_deg 1.5
    c_dihedral_angle_d 25.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.26
    Luzzati Sigma A(Observed) 0.19
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.34
    Luzzati Sigma A(R-Free Set) 0.2
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 984
    Nucleic Acid Atoms 0
    Heterogen Atoms 9
    Solvent Atoms 103
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 0.5
     
    Software
    refinement CNS version: 0.5
    model building AMORE