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X-RAY DIFFRACTION
Materials and Methods page
4EX7
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 277.0
    Details 30% PEG1500, 0.1M MIB buffer, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 48.26 α = 90
    b = 63.23 β = 90
    c = 63.49 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2008-07-30
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength List 0.933
    Site ESRF
    Beamline ID14-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.5
    Resolution(Low) 38.43
    Number Reflections(Observed) 31272
    Percent Possible(Observed) 98.4
    R Merge I(Observed) 0.114
    B(Isotropic) From Wilson Plot 12.9
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 1.5
    Resolution(Low) 1.58
    Percent Possible(All) 90.1
    R Merge I(Observed) 0.211
    Mean I Over Sigma(Observed) 3.8
    Redundancy 3.0
    Number Unique Reflections(All) 4089
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.5
    Resolution(Low) 38.43
    Number of Reflections(Observed) 29681
    Number of Reflections(R-Free) 1550
    Percent Reflections(Observed) 98.23
    R-Factor(Observed) 0.14584
    R-Work 0.14368
    R-Free 0.18578
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 11.87
    Anisotropic B[1][1] -0.46
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.25
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.21
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.5
    Shell Resolution(Low) 1.539
    Number of Reflections(R-Free) 99
    Number of Reflections(R-Work) 1735
    R-Factor(R-Work) 0.182
    R-Factor(R-Free) 0.281
    Percent Reflections(Observed) 84.09
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 4.011
    r_sphericity_free 14.255
    r_rigid_bond_restr 4.931
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.006
    r_chiral_restr 0.077
    r_dihedral_angle_4_deg 13.303
    r_dihedral_angle_3_deg 10.827
    r_dihedral_angle_2_deg 26.801
    r_dihedral_angle_1_deg 4.902
    r_angle_other_deg 1.041
    r_angle_refined_deg 1.515
    r_bond_other_d 0.001
    r_bond_refined_d 0.011
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1545
    Nucleic Acid Atoms 0
    Heterogen Atoms 10
    Solvent Atoms 231
     
     
  •   Software and Computing Hide
    Computing
    Data Collection DNA
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building MOLREP
    data collection DNA