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X-RAY DIFFRACTION
Materials and Methods page
2WIP
  •   Crystallization Hide
    Crystallization Experiments
    Details 20% AMMONIUM SULPHATE, 1M KCL, 40MM HEPES PH 7
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 184.18 α = 90
    b = 184.18 β = 90
    c = 215.01 γ = 120
     
    Space Group
    Space Group Name:    P 62 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 93
     
    Diffraction Detector
    Detector IMAGE PLATE (R-AXIS IV)
    Type RIGAKU
    Details MIRRORS
    Collection Date 2002-04-02
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU FR-D
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.8
    Resolution(Low) 30
    Number Reflections(Observed) 50354
    Percent Possible(Observed) 94.1
    R Merge I(Observed) 0.08
    B(Isotropic) From Wilson Plot 50.4
    Redundancy 6.0
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.85
    Percent Possible(All) 95.0
    R Merge I(Observed) 0.3
    Mean I Over Sigma(Observed) 6.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 2.8
    Resolution(Low) 28.4
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 50220
    Number of Reflections(R-Free) 1015
    Percent Reflections(Observed) 94.1
    R-Factor(Observed) 0.221
    R-Work 0.221
    R-Free 0.258
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model GROUP
    Mean Isotropic B Value 48.2
    Anisotropic B[1][1] 5.27
    Anisotropic B[1][2] 12.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 5.27
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -10.54
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.98
    Number of Reflections(R-Free) 175
    Number of Reflections(R-Work) 8125
    R-Factor(R-Work) 0.294
    R-Factor(R-Free) 0.343
    R-Free Error 0.026
    Percent Reflections(Observed) 95.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.68
    c_bond_d 0.006
    c_angle_deg 0.9
    c_dihedral_angle_d 20.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.36
    Luzzati Sigma A(Observed) 0.41
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.44
    Luzzati Sigma A(R-Free Set) 0.48
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8887
    Nucleic Acid Atoms 0
    Heterogen Atoms 53
    Solvent Atoms 172
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement CNS NULL
     
    Software
    refinement CNS version: NULL