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X-RAY DIFFRACTION
Materials and Methods page
2FOQ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.7
    Temperature 277.0
    Details 2.5 M (NH4)2SO4, 50 mM Tris-SO4 pH 7.7, 50 mM Tris-SO4 pH 8.0, 1mM methylmercuric acetate, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 42.35 α = 90
    b = 41.36 β = 104.34
    c = 72.17 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 CCD
    Type ADSC QUANTUM 4
    Details mirrors
    Collection Date 2005-04-20
     
    Diffraction Radiation
    Monochromator Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE F1
    Wavelength List 0.9124
    Site CHESS
    Beamline F1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.25
    Resolution(Low) 50
    Number Reflections(All) 64009
    Number Reflections(Observed) 64009
    Percent Possible(Observed) 95.0
    B(Isotropic) From Wilson Plot 10.8
    Redundancy 2.5
     
    High Resolution Shell Details
    Resolution(High) 1.25
    Resolution(Low) 1.29
    Percent Possible(All) 87.9
    Mean I Over Sigma(Observed) 2.1
    R-Sym I(Observed) 0.83
    Redundancy 2.2
    Number Unique Reflections(All) 5879
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 1.25
    Resolution(Low) 50.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 63791
    Number of Reflections(Observed) 63791
    Number of Reflections(R-Free) 1362
    Percent Reflections(Observed) 95.0
    R-Factor(All) 0.1641
    R-Factor(Observed) 0.1641
    R-Work 0.1652
    R-Free 0.2128
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    s_non_zero_chiral_vol 0.074
    s_zero_chiral_vol 0.064
    s_from_restr_planes 0.0314
    s_angle_d 0.028
    s_bond_d 0.012
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2050
    Nucleic Acid Atoms 0
    Heterogen Atoms 37
    Solvent Atoms 239
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement SHELXL-97
     
    Software
    refinement SHELXL-97
    model building CNS
    data reduction SCALEPACK
    data collection HKL-2000