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X-RAY DIFFRACTION
Materials and Methods page
2XBS
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.6
    Details 75 MM SODIUM ACETATE PH 4.6, 1.0 M SODIUM CHLORIDE
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 78.77 α = 90
    b = 78.77 β = 90
    c = 37.11 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Details FOCUSING MIRROR
    Collection Date 2006-05-22
     
    Diffraction Radiation
    Monochromator DIAMOND
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength 0.933
    Site ESRF
    Beamline ID14-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 4.0
    Resolution(High) 1.37
    Resolution(Low) 33
    Number Reflections(Observed) 25118
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.06
    B(Isotropic) From Wilson Plot 21.9
    Redundancy 12.8
     
    High Resolution Shell Details
    Resolution(High) 1.37
    Resolution(Low) 1.45
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.52
    Mean I Over Sigma(Observed) 3.7
    Redundancy 7.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.37
    Resolution(Low) 33.57
    Number of Reflections(Observed) 23868
    Number of Reflections(R-Free) 1232
    Percent Reflections(Observed) 99.93
    R-Factor(Observed) 0.14948
    R-Work 0.14734
    R-Free 0.19258
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 20.81
    Anisotropic B[1][1] -0.32
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.32
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.64
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.37
    Shell Resolution(Low) 1.406
    Number of Reflections(R-Free) 81
    Number of Reflections(R-Work) 1750
    R-Factor(R-Work) 0.209
    R-Factor(R-Free) 0.275
    Percent Reflections(Observed) 99.78
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_rigid_bond_restr 3.016
    r_scangle_it 7.616
    r_scbond_it 5.586
    r_mcangle_it 3.965
    r_mcbond_it 2.819
    r_gen_planes_refined 0.012
    r_chiral_restr 0.145
    r_dihedral_angle_4_deg 21.122
    r_dihedral_angle_3_deg 14.68
    r_dihedral_angle_2_deg 35.001
    r_dihedral_angle_1_deg 6.771
    r_angle_refined_deg 2.182
    r_bond_refined_d 0.065
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 992
    Nucleic Acid Atoms 0
    Heterogen Atoms 8
    Solvent Atoms 157
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building MOLREP