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X-RAY DIFFRACTION
Materials and Methods page
4HFX
  •   Crystallization Hide
    Crystallization Experiments
    Method Microbatch under oil method
    pH 9
    Temperature 277.0
    Details 1.88M Na2s2o3, 0.1M TAPS PH9, Microbatch under oil method, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 80.64 α = 90
    b = 80.64 β = 90
    c = 63.22 γ = 120
     
    Space Group
    Space Group Name:    P 31
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type ADSC QUANTUM 4r
    Collection Date 2012-05-20
     
    Diffraction Radiation
    Monochromator KOHZU double crystal monochromator
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4A
    Wavelength List 0.979
    Site NSLS
    Beamline X4A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.54
    Resolution(Low) 50
    Number Reflections(Observed) 15239
    Percent Possible(Observed) 97.6
    R Merge I(Observed) 0.06
    Redundancy 7.5
     
    High Resolution Shell Details
    Resolution(High) 2.54
    Resolution(Low) 2.63
    Percent Possible(All) 81.0
    R Merge I(Observed) 0.377
    R-Sym I(Observed) 0.348
    Redundancy 5.8
    Number Unique Reflections(All) 1257
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 2.54
    Resolution(Low) 28.8
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 14045
    Number of Reflections(R-Free) 811
    Percent Reflections(Observed) 97.54
    R-Factor(Observed) 0.23634
    R-Work 0.23476
    R-Free 0.26283
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 58.833
    Anisotropic B[1][1] 15.62
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 15.62
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -31.25
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.537
    Shell Resolution(Low) 2.603
    Number of Reflections(R-Free) 62
    Number of Reflections(R-Work) 810
    R-Factor(R-Work) 0.357
    R-Factor(R-Free) 0.358
    Percent Reflections(Observed) 76.83
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.005
    r_chiral_restr 0.053
    r_dihedral_angle_4_deg 11.336
    r_dihedral_angle_3_deg 16.518
    r_dihedral_angle_2_deg 32.781
    r_dihedral_angle_1_deg 6.447
    r_angle_other_deg 0.752
    r_angle_refined_deg 1.117
    r_bond_other_d 0.002
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1817
    Nucleic Acid Atoms 0
    Heterogen Atoms 15
    Solvent Atoms 40
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution SHELXS
    Structure Refinement REFMAC 5.7.0029
     
    Software
    refinement REFMAC version: 5.7.0029
    model building SHELXS
    data collection ADSC version: Quantum