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X-RAY DIFFRACTION
Materials and Methods page
2XUD
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details PROTEIN WAS CRYSTALLIZED FROM PEG-600 25-35% (V/V) IN 50-100 MM HEPES, PH 6.0-7.0, OR WITH PEG-550 MME 30% (V/V) IN 50 MM NA ACETATE, PH 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.42 α = 90
    b = 109.01 β = 90
    c = 227.84 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
    Collection Date 2003-11-10
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID29
    Wavelength 0.979
    Site ESRF
    Beamline ID29
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.65
    Resolution(Low) 20
    Number Reflections(Observed) 57806
    Percent Possible(Observed) 99.1
    R Merge I(Observed) 0.08
    B(Isotropic) From Wilson Plot 57.2
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 2.65
    Resolution(Low) 2.72
    Percent Possible(All) 99.1
    R Merge I(Observed) 0.41
    Mean I Over Sigma(Observed) 4.0
    Redundancy 3.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.65
    Resolution(Low) 20.0
    Number of Reflections(Observed) 56261
    Number of Reflections(R-Free) 1176
    Percent Reflections(Observed) 98.79
    R-Factor(Observed) 0.19407
    R-Work 0.19338
    R-Free 0.22768
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 45.587
    Anisotropic B[1][1] 4.16
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 2.35
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -6.51
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.65
    Shell Resolution(Low) 2.718
    Number of Reflections(R-Free) 84
    Number of Reflections(R-Work) 4036
    R-Factor(R-Work) 0.243
    R-Factor(R-Free) 0.274
    Percent Reflections(Observed) 99.47
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.862
    r_scbond_it 1.7
    r_mcangle_it 1.052
    r_mcbond_it 0.545
    r_gen_planes_refined 0.007
    r_chiral_restr 0.107
    r_dihedral_angle_4_deg 21.32
    r_dihedral_angle_3_deg 16.131
    r_dihedral_angle_2_deg 33.875
    r_dihedral_angle_1_deg 6.823
    r_angle_refined_deg 1.393
    r_bond_refined_d 0.012
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8309
    Nucleic Acid Atoms 0
    Heterogen Atoms 45
    Solvent Atoms 186
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) SCALA
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109