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X-RAY DIFFRACTION
Materials and Methods page
1T05
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.4
    Temperature 277.0
    Details 50 mM MES, pH 6.4, 100 mM ammonium sulfate, 5% sucrose, 5% glycerol, 10% PEG 8000, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 171.57 α = 90
    b = 171.57 β = 90
    c = 156.27 γ = 120
     
    Space Group
    Space Group Name:    P 31 1 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 108
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Details wiggler
    Collection Date 2002-01-12
     
    Diffraction Radiation
    Monochromator wiggler
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE F1
    Wavelength List 0.950
    Site CHESS
    Beamline F1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3
    Resolution(Low) 40
    Number Reflections(Observed) 52624
    Percent Possible(Observed) 91.3
    R Merge I(Observed) 0.099
    B(Isotropic) From Wilson Plot 46.0
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.11
    Percent Possible(All) 50.1
    R Merge I(Observed) 0.367
    Mean I Over Sigma(Observed) 1.2
    Number Unique Reflections(All) 2649
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.0
    Resolution(Low) 20.0
    Cut-off Sigma(F) 1.1
    Number of Reflections(all) 52476
    Number of Reflections(Observed) 42950
    Number of Reflections(R-Free) 1720
    Percent Reflections(Observed) 81.8
    R-Work 0.253
    R-Free 0.292
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Anisotropic B[1][1] -9.563
    Anisotropic B[1][2] -31.382
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -9.563
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 19.127
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.0
    Shell Resolution(Low) 3.05
    Number of Reflections(R-Free) 25
    R-Factor(R-Work) 0.475
    R-Factor(R-Free) 0.563
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.7
    c_bond_d 0.011
     
    Coordinate Error
    Luzzati ESD(Observed) 0.51
    Luzzati Sigma A(Observed) 1.03
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.58
    Luzzati Sigma A(R-Free Set) 1.11
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7921
    Nucleic Acid Atoms 897
    Heterogen Atoms 59
    Solvent Atoms 21
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building CNS
    data reduction SCALEPACK
    data collection DENZO