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X-RAY DIFFRACTION
Materials and Methods page
2UXB
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details MPD, AMMONIUM CHLORIDE, POTASSIUM CHLORIDE, MAGNESIUM ACETATE, SODIUM CACODYLATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP AT 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 401.95 α = 90
    b = 401.95 β = 90
    c = 174.09 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 2006-02-17
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SLS BEAMLINE X10SA
    Wavelength 0.9393
    Site SLS
    Beamline X10SA
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.1
    Resolution(Low) 50
    Number Reflections(Observed) 250188
    Percent Possible(Observed) 96.7
    R Merge I(Observed) 0.12
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 3.1
    Resolution(Low) 3.2
    Percent Possible(All) 94.0
    R Merge I(Observed) 0.61
    Mean I Over Sigma(Observed) 2.1
    Redundancy 3.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 3.1
    Resolution(Low) 29.88
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 250137
    Number of Reflections(R-Free) 12509
    Percent Reflections(Observed) 98.1
    R-Factor(Observed) 0.295
    R-Work 0.295
    R-Free 0.328
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 75.3
    Anisotropic B[1][1] -3.29
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -3.29
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 6.57
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.1
    Shell Resolution(Low) 3.29
    Number of Reflections(R-Free) 2151
    Number of Reflections(R-Work) 39042
    R-Factor(R-Work) 0.369
    R-Factor(R-Free) 0.379
    R-Free Error 0.008
    Percent Reflections(Observed) 97.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.51
    c_bond_d 0.007
    c_angle_deg 1.2
    c_dihedral_angle_d 28.5
     
    Coordinate Error
    Luzzati ESD(Observed) 0.46
    Luzzati Sigma A(Observed) 0.81
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.53
    Luzzati Sigma A(R-Free Set) 0.89
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 19237
    Nucleic Acid Atoms 32744
    Heterogen Atoms 185
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XDS
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS