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X-RAY DIFFRACTION
Materials and Methods page
2F5E
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 295.0
    Details 15% PEG 4000, 0.1 M MAGNESIUM CHLORIDE, 0.1 M CACODYLATE, PH 6.50, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 49.4 α = 90
    b = 46.01 β = 92.93
    c = 74.36 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 2003-06-17
     
    Diffraction Radiation
    Monochromator OSMIC MIRRORS
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU300
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.2
    Resolution(Low) 20
    Number Reflections(Observed) 16728
    Percent Possible(Observed) 97.3
    R Merge I(Observed) 0.083
    B(Isotropic) From Wilson Plot 14.4
     
    High Resolution Shell Details
    Resolution(High) 2.2
    Resolution(Low) 2.34
    Percent Possible(All) 97.1
    R Merge I(Observed) 0.325
    Mean I Over Sigma(Observed) 2.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.2
    Resolution(Low) 19.96
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 16728
    Number of Reflections(R-Free) 820
    Percent Reflections(Observed) 97.3
    R-Factor(Observed) 0.237
    R-Work 0.237
    R-Free 0.286
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 35.0
    Anisotropic B[1][1] 14.45
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -5.0
    Anisotropic B[2][2] -7.9
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -6.55
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.2
    Shell Resolution(Low) 2.34
    Number of Reflections(R-Free) 135
    Number of Reflections(R-Work) 2630
    R-Factor(R-Work) 0.301
    R-Factor(R-Free) 0.351
    R-Free Error 0.03
    Percent Reflections(Observed) 97.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.72
    c_bond_d 0.006
    c_angle_deg 1.0
    c_dihedral_angle_d 17.5
     
    Coordinate Error
    Luzzati ESD(Observed) 0.29
    Luzzati Sigma A(Observed) 0.3
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.37
    Luzzati Sigma A(R-Free Set) 0.33
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2154
    Nucleic Acid Atoms 0
    Heterogen Atoms 4
    Solvent Atoms 69
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data reduction SCALA
    data collection MOSFLM