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X-RAY DIFFRACTION
Materials and Methods page
2D8O
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 293.0
    Details 0.8M K/Na tartrate, 0.1M Na HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 57.14 α = 90
    b = 57.14 β = 90
    c = 151.9 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS VII
    Details confocal Cr mirror optics
    Collection Date 2004-03-20
     
    Diffraction Radiation
    Monochromator confocal Cr mirror optics
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU FR-E
    Wavelength List 2.2908
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.38
    Resolution(Low) 53.45
    Number Reflections(All) 10679
    Number Reflections(Observed) 9725
    Percent Possible(Observed) 91.07
    R Merge I(Observed) 0.08
    B(Isotropic) From Wilson Plot 41.2
    Redundancy 11.4
     
    High Resolution Shell Details
    Resolution(High) 2.38
    Resolution(Low) 2.58
    Percent Possible(All) 32.6
    R Merge I(Observed) 0.146
    Redundancy 2.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 2.38
    Resolution(Low) 40.41
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 9725
    Number of Reflections(Observed) 9725
    Number of Reflections(R-Free) 492
    Percent Reflections(Observed) 91.0
    R-Factor(Observed) 0.231
    R-Work 0.231
    R-Free 0.262
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 23.7
    Anisotropic B[1][1] 0.17
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.17
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.34
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.38
    Shell Resolution(Low) 2.53
    Number of Reflections(R-Free) 30
    Number of Reflections(R-Work) 780
    R-Factor(R-Work) 0.329
    R-Factor(R-Free) 0.351
    R-Free Error 0.064
    Percent Reflections(Observed) 47.3
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.86
    c_dihedral_angle_d 25.3
    c_angle_deg 1.5
    c_bond_d 0.008
     
    Coordinate Error
    Luzzati ESD(Observed) 0.31
    Luzzati Sigma A(Observed) 0.24
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.34
    Luzzati Sigma A(R-Free Set) 0.42
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1554
    Nucleic Acid Atoms 0
    Heterogen Atoms 3
    Solvent Atoms 54
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SHARP
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1