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X-RAY DIFFRACTION
Materials and Methods page
2XUF
  •   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 = 79.58 α = 90
    b = 112.07 β = 90
    c = 226.89 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 2003-10-12
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-1
    Wavelength 0.933
    Site ESRF
    Beamline ID14-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.55
    Resolution(Low) 20
    Number Reflections(Observed) 66465
    Percent Possible(Observed) 99.5
    R Merge I(Observed) 0.06
    B(Isotropic) From Wilson Plot 58.3
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 2.55
    Resolution(Low) 2.62
    Percent Possible(All) 99.5
    R Merge I(Observed) 0.47
    Mean I Over Sigma(Observed) 4.2
    Redundancy 3.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 2.55
    Resolution(Low) 20.0
    Number of Reflections(Observed) 64934
    Number of Reflections(R-Free) 1343
    Percent Reflections(Observed) 99.24
    R-Factor(Observed) 0.19149
    R-Work 0.19087
    R-Free 0.22074
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 50.488
    Anisotropic B[1][1] 3.93
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 2.36
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -6.29
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.55
    Shell Resolution(Low) 2.615
    Number of Reflections(R-Free) 96
    Number of Reflections(R-Work) 4604
    R-Factor(R-Work) 0.28
    R-Factor(R-Free) 0.342
    Percent Reflections(Observed) 99.22
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.93
    r_scbond_it 1.707
    r_mcangle_it 1.034
    r_mcbond_it 0.523
    r_gen_planes_refined 0.007
    r_chiral_restr 0.097
    r_dihedral_angle_4_deg 17.144
    r_dihedral_angle_3_deg 16.036
    r_dihedral_angle_2_deg 33.591
    r_dihedral_angle_1_deg 6.179
    r_angle_refined_deg 1.405
    r_bond_refined_d 0.012
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8291
    Nucleic Acid Atoms 0
    Heterogen Atoms 147
    Solvent Atoms 256
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) SCALA
    Structure Solution REFMAC5
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building REFMAC5