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X-RAY DIFFRACTION
Materials and Methods page
2B77
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 298.0
    Details 1 mM EDTA, 10 mM sodium phosphate, 0.35-0.50 M ammonium sulfate - crystals were soaked with the inhibitor, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 43.22 α = 90
    b = 85.08 β = 90
    c = 64.4 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type CCD-PXL-L600
    Collection Date 2003-04-07
     
    Diffraction Radiation
    Monochromator graphite
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength List 1.541
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.7
    Resolution(Low) 51.3
    Number Reflections(All) 25485
    Number Reflections(Observed) 25485
    Percent Possible(Observed) 99.94
    R Merge I(Observed) 0.07
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 51.3
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 25486
    Number of Reflections(Observed) 25485
    Number of Reflections(R-Free) 1350
    Percent Reflections(Observed) 99.94
    R-Factor(All) 0.20985
    R-Factor(Observed) 0.20985
    R-Work 0.2083
    R-Free 0.23845
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 20.4
    Anisotropic B[1][1] -0.04
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.09
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.13
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.744
    Number of Reflections(R-Free) 90
    Number of Reflections(R-Work) 1860
    R-Factor(R-Work) 0.22
    R-Factor(R-Free) 0.285
    Percent Reflections(Observed) 99.49
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.657
    r_scbond_it 3.298
    r_mcangle_it 2.147
    r_mcbond_other 0.311
    r_mcbond_it 2.215
    r_symmetry_hbond_refined 0.238
    r_symmetry_vdw_other 0.302
    r_symmetry_vdw_refined 0.335
    r_xyhbond_nbd_refined 0.225
    r_nbtor_other 0.088
    r_nbtor_refined 0.184
    r_nbd_other 0.207
    r_bond_refined_d 0.022
    r_bond_other_d 0.008
    r_angle_refined_deg 2.361
    r_angle_other_deg 0.961
    r_dihedral_angle_1_deg 6.933
    r_dihedral_angle_2_deg 36.24
    r_dihedral_angle_3_deg 15.762
    r_dihedral_angle_4_deg 14.526
    r_chiral_restr 0.094
    r_gen_planes_refined 0.031
    r_gen_planes_other 0.059
    r_nbd_refined 0.201
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1752
    Nucleic Acid Atoms 0
    Heterogen Atoms 36
    Solvent Atoms 217
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) R-AXIS
    Data Reduction (data scaling) R-AXIS
    Structure Solution AMORE
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005