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X-RAY DIFFRACTION
Materials and Methods page
1LU1
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 100 MM HEPES PH 7.5 0.2 M MGCL2 30% (W/V) PEG 400
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.05 α = 90
    b = 79.05 β = 90
    c = 260.11 γ = 90
     
    Space Group
    Space Group Name:    I 41 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1998-02
     
    Diffraction Radiation
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.6
    Resolution(Low) 20
    Number Reflections(Observed) 13175
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.15
    B(Isotropic) From Wilson Plot 44.7
    Redundancy 7.0
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.62
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.75
    Mean I Over Sigma(Observed) 2.27
    Redundancy 7.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.6
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 13174
    Number of Reflections(R-Free) 1350
    Percent Reflections(Observed) 100.0
    R-Factor(Observed) 0.194
    R-Work 0.194
    R-Free 0.234
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model GROUP
    Mean Isotropic B Value 46.0
    Anisotropic B[1][1] 0.52
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.52
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.03
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.69
    Number of Reflections(R-Free) 134
    Number of Reflections(R-Work) 1145
    R-Factor(R-Work) 0.355
    R-Factor(R-Free) 0.382
    R-Free Error 0.033
    Percent Reflections(Observed) 99.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 0.66
    x_bond_d 0.011
    x_angle_deg 1.5
    x_dihedral_angle_d 28.7
     
    Coordinate Error
    Luzzati ESD(Observed) 0.32
    Luzzati Sigma A(Observed) 0.49
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.39
    Luzzati Sigma A(R-Free Set) 0.56
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1881
    Nucleic Acid Atoms 0
    Heterogen Atoms 40
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR version: 3.851
    model building AMORE