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NEUTRON DIFFRACTION
Materials and Methods page
4AR4
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.2
    Details pH 6.2
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 34.38 α = 90
    b = 35.18 β = 90
    c = 43.99 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Detector
    Detector 5ATM 3HE, CURVED 120X30 DEGREES
    Type INSTITUT LAUE LANGEVIN DETECTOR GROUP
    Details BORON CARBIDE BEAM DEFINING APERTURES
     
    Diffraction Radiation
    Monochromator PYROLYTIC GRAPHITE (002)
     
    Diffraction Source
    Source ILL NEUTRON REACTOR
    Wavelength 2.42
    Beamline D19
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.3
    Resolution(High) 1.38
    Resolution(Low) 27.42
    Number Reflections(Observed) 10521
    Percent Possible(Observed) 93.1
    R Merge I(Observed) 0.07
    B(Isotropic) From Wilson Plot 11.4
    Redundancy 3.7
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 1.381
    Resolution(Low) 27.465
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 10500
    Number of Reflections(R-Free) 505
    Percent Reflections(Observed) 91.97
    R-Factor(Observed) 0.1881
    R-Work 0.1861
    R-Free 0.2264
     
    Temperature Factor Modeling
    Mean Isotropic B Value 11.52
    Anisotropic B[1][1] -0.5527
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.12
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.4326
     
    Resolution Shells
    Refinement method NEUTRON DIFFRACTION
    Shell Resolution(High) 1.3812
    Shell Resolution(Low) 1.5202
    Number of Reflections(R-Free) 123
    Number of Reflections(R-Work) 2306
    R-Factor(R-Work) 0.3596
    R-Factor(R-Free) 0.4166
    Percent Reflections(Observed) 87.0
    Refinement method NEUTRON DIFFRACTION
    Shell Resolution(High) 1.5202
    Shell Resolution(Low) 1.7401
    Number of Reflections(R-Free) 114
    Number of Reflections(R-Work) 2486
    R-Factor(R-Work) 0.2203
    R-Factor(R-Free) 0.2568
    Percent Reflections(Observed) 92.0
    Refinement method NEUTRON DIFFRACTION
    Shell Resolution(High) 1.7401
    Shell Resolution(Low) 2.1922
    Number of Reflections(R-Free) 139
    Number of Reflections(R-Work) 2538
    R-Factor(R-Work) 0.1485
    R-Factor(R-Free) 0.2071
    Percent Reflections(Observed) 94.0
    Refinement method NEUTRON DIFFRACTION
    Shell Resolution(High) 2.1922
    Shell Resolution(Low) 27.4702
    Number of Reflections(R-Free) 129
    Number of Reflections(R-Work) 2665
    R-Factor(R-Work) 0.1656
    R-Factor(R-Free) 0.1935
    Percent Reflections(Observed) 94.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    f_plane_restr 0.006
    f_chiral_restr 0.065
    f_dihedral_angle_d 13.09
    f_angle_d 0.865
    f_bond_d 0.005
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 421
    Nucleic Acid Atoms 0
    Heterogen Atoms 5
    Solvent Atoms 104
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) RETREAT
    Data Reduction (data scaling) RETREAT
    Structure Refinement PHENIX (PHENIX.REFINE)
     
    Software
    refinement PHENIX version: (PHENIX.REFINE)