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X-RAY DIFFRACTION
Materials and Methods page
3NXC
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8.5
    Temperature 287.0
    Details 100 mM Tris pH 8.5, 10% PEG 400, 58 mM LiSO4, VAPOR DIFFUSION, HANGING DROP, temperature 287K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 50.38 α = 90
    b = 50.38 β = 90
    c = 121.32 γ = 120
     
    Space Group
    Space Group Name:    P 32 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Details KOHZU: Double Crystal Si(111)
    Collection Date 2008-10-12
     
    Diffraction Radiation
    Monochromator KHOZU Double flat crystal
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.3.1
    Wavelength List 0.9795, 0.97953, 0.95372
    Site ALS
    Beamline 8.3.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 3.0
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.5
    Resolution(Low) 43.73
    Number Reflections(Observed) 6647
    Percent Possible(Observed) 99.4
    R Merge I(Observed) 0.109
    B(Isotropic) From Wilson Plot 28.4
    Redundancy 6.6
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.5
    Percent Possible(All) 99.4
    R Merge I(Observed) 0.421
    Mean I Over Sigma(Observed) 4.1
    Redundancy 7.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 2.5
    Resolution(Low) 43.727
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 6647
    Number of Reflections(Observed) 6647
    Number of Reflections(R-Free) 892
    Percent Reflections(Observed) 71.6
    R-Factor(Observed) 0.224
    R-Work 0.224
    R-Free 0.265
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Mean Isotropic B Value 31.078
    Anisotropic B[1][1] 2.554
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 2.554
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -5.108
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_bond_d 0.008
    c_angle_deg 1.47
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1406
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 13
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution SOLVE
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building SOLVE
    data collection ADSC version: Quantum