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X-RAY DIFFRACTION
Materials and Methods page
2XUJ
  •   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 = 79.19 α = 90
    b = 112.74 β = 90
    c = 226.07 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 2003-07-28
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-3
    Wavelength 0.931
    Site ESRF
    Beamline ID14-3
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.65
    Resolution(Low) 20
    Number Reflections(Observed) 59477
    Percent Possible(Observed) 99.0
    R Merge I(Observed) 0.05
    B(Isotropic) From Wilson Plot 65.8
    Redundancy 3.7
     
    High Resolution Shell Details
    Resolution(High) 2.65
    Resolution(Low) 2.72
    Percent Possible(All) 99.0
    R Merge I(Observed) 0.45
    Mean I Over Sigma(Observed) 3.6
    Redundancy 3.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 2.65
    Resolution(Low) 20.0
    Number of Reflections(Observed) 58015
    Number of Reflections(R-Free) 1211
    Percent Reflections(Observed) 99.56
    R-Factor(Observed) 0.20789
    R-Work 0.207
    R-Free 0.24981
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 57.009
    Anisotropic B[1][1] 0.19
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 7.83
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -8.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.65
    Shell Resolution(Low) 2.718
    Number of Reflections(R-Free) 85
    Number of Reflections(R-Work) 4167
    R-Factor(R-Work) 0.295
    R-Factor(R-Free) 0.283
    Percent Reflections(Observed) 99.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.614
    r_scbond_it 1.552
    r_mcangle_it 0.985
    r_mcbond_it 0.517
    r_gen_planes_refined 0.007
    r_chiral_restr 0.102
    r_dihedral_angle_4_deg 19.572
    r_dihedral_angle_3_deg 16.711
    r_dihedral_angle_2_deg 33.127
    r_dihedral_angle_1_deg 6.656
    r_angle_refined_deg 1.468
    r_bond_refined_d 0.013
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8332
    Nucleic Acid Atoms 0
    Heterogen Atoms 133
    Solvent Atoms 134
     
     
  •   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