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X-RAY DIFFRACTION
Materials and Methods page
2IE2
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.4
    Temperature 293.0
    Details 23% PEG 3350, 0.1M Tris, 0.1M Magnesium Chloride, pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 103.14 α = 90
    b = 175.5 β = 90
    c = 67.44 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 17-ID
    Site APS
    Beamline 17-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.7
    Resolution(Low) 89.09
    Number Reflections(Observed) 129416
    Percent Possible(Observed) 96.3
    R Merge I(Observed) 0.085
    Redundancy 5.2
     
    High Resolution Shell Details
    Resolution(High) 1.704
    Resolution(Low) 1.748
    Percent Possible(All) 95.6
    R Merge I(Observed) 0.573
    Mean I Over Sigma(Observed) 2.4
    R-Sym I(Observed) 0.573
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 89.09
    Cut-off Sigma(I) 2.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(all) 129416
    Number of Reflections(Observed) 122748
    Number of Reflections(R-Free) 6503
    Percent Reflections(Observed) 96.34
    R-Factor(Observed) 0.19922
    R-Work 0.19808
    R-Free 0.22093
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 19.289
    Anisotropic B[1][1] -0.6
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.51
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.11
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.704
    Shell Resolution(Low) 1.748
    Number of Reflections(R-Free) 489
    Number of Reflections(R-Work) 8903
    R-Factor(R-Work) 0.239
    R-Factor(R-Free) 0.289
    Percent Reflections(Observed) 95.57
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.707
    r_scbond_it 1.801
    r_mcangle_it 1.138
    r_mcbond_it 0.662
    r_nbd_refined 0.165
    r_gen_planes_refined 0.003
    r_chiral_restr 0.065
    r_dihedral_angle_4_deg 11.892
    r_dihedral_angle_3_deg 11.589
    r_dihedral_angle_2_deg 31.706
    r_dihedral_angle_1_deg 5.761
    r_angle_refined_deg 0.945
    r_bond_refined_d 0.005
    r_nbtor_refined 0.298
    r_xyhbond_nbd_refined 0.078
    r_symmetry_vdw_refined 0.128
    r_symmetry_hbond_refined 0.086
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 10295
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 739
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL
    Structure Solution PHASER
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005