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X-RAY DIFFRACTION
Materials and Methods page
1GP9
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 18% PEG4000, 10% 2-PROPANOL, 0.1M SODIUM HEPES, PH 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 73.48 α = 90
    b = 78.26 β = 90
    c = 304.46 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1998-09-03
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX7.2
    Wavelength 1.488
    Site SRS
    Beamline PX7.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.44
    Resolution(Low) 30
    Number Reflections(Observed) 33095
    Percent Possible(Observed) 92.2
    R Merge I(Observed) 0.045
    B(Isotropic) From Wilson Plot 52.6
    Redundancy 12.8
     
    High Resolution Shell Details
    Resolution(High) 2.44
    Resolution(Low) 2.5
    Percent Possible(All) 95.8
    R Merge I(Observed) 0.352
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 19.92
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 28444
    Number of Reflections(R-Free) 1420
    Percent Reflections(Observed) 92.1
    R-Factor(Observed) 0.237
    R-Work 0.237
    R-Free 0.288
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 58.5
    Anisotropic B[1][1] -5.83
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 7.59
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.76
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.5
    Shell Resolution(Low) 2.66
    Number of Reflections(R-Free) 243
    Number of Reflections(R-Work) 4615
    R-Factor(R-Work) 0.336
    R-Factor(R-Free) 0.478
    R-Free Error 0.031
    Percent Reflections(Observed) 95.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 6.36
    c_scbond_it 4.6
    c_mcangle_it 5.25
    c_mcbond_it 3.41
    c_improper_angle_d 1.06
    c_bond_d 0.011
    c_angle_deg 1.7
    c_dihedral_angle_d 24.5
     
    Coordinate Error
    Luzzati ESD(Observed) 0.37
    Luzzati Sigma A(Observed) 0.33
    Luzzati Resolution Cutoff(Low) 20.0
    Luzzati ESD(R-Free Set) 0.52
    Luzzati Sigma A(R-Free Set) 0.55
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 5467
    Nucleic Acid Atoms 0
    Heterogen Atoms 75
    Solvent Atoms 156
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 0.9
     
    Software
    refinement CNS version: 0.9
    model building AMORE