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X-RAY DIFFRACTION
Materials and Methods page
2VQF
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details SEE WIMBERLY ET AL.,NATURE, 2000, pH 6.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 402.48 α = 90
    b = 402.48 β = 90
    c = 175.97 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 2007-05-16
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 1
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.9
    Resolution(Low) 50
    Number Reflections(Observed) 341315
    Percent Possible(Observed) 93.8
    R Merge I(Observed) 0.14
    B(Isotropic) From Wilson Plot 67.1
    Redundancy 4.1
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.0
    Percent Possible(All) 89.9
    R Merge I(Observed) 0.64
    Mean I Over Sigma(Observed) 2.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.9
    Resolution(Low) 49.92
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 307821
    Number of Reflections(R-Free) 15425
    Percent Reflections(Observed) 97.6
    R-Factor(Observed) 0.223
    R-Work 0.223
    R-Free 0.258
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 83.3
    Anisotropic B[1][1] -9.64
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -9.64
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 19.27
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.9
    Shell Resolution(Low) 3.08
    Number of Reflections(R-Free) 2544
    Number of Reflections(R-Work) 48229
    R-Factor(R-Work) 0.37
    R-Factor(R-Free) 0.386
    R-Free Error 0.008
    Percent Reflections(Observed) 97.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.6
    c_bond_d 0.081
    c_angle_deg 1.5
    c_dihedral_angle_d 28.5
     
    Coordinate Error
    Luzzati ESD(Observed) 0.39
    Luzzati Sigma A(Observed) 0.54
    Luzzati Resolution Cutoff(Low) 30.0
    Luzzati ESD(R-Free Set) 0.45
    Luzzati Sigma A(R-Free Set) 0.58
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 19237
    Nucleic Acid Atoms 32746
    Heterogen Atoms 331
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS