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X-RAY DIFFRACTION
Materials and Methods page
4DPA
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6
    Temperature 277.0
    Details 2.6 M ammonium sulfate, 0.1 M sodium phosphate buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 29.22 α = 90
    b = 46.3 β = 90
    c = 57.36 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 MAR CCD 165 mm
    Details MIRRORS
    Collection Date 2002-02-19
     
    Diffraction Radiation
    Monochromator double crystal Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type MPG/DESY, HAMBURG BEAMLINE BW6
    Wavelength List 1.05
    Site MPG/DESY, HAMBURG
    Beamline BW6
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.05
    Resolution(Low) 16.03
    Number Reflections(All) 37132
    Number Reflections(Observed) 33305
    Percent Possible(Observed) 89.6
    R Merge I(Observed) 0.043
    B(Isotropic) From Wilson Plot 8.34
    Redundancy 2.3
     
    High Resolution Shell Details
    Resolution(High) 1.05
    Resolution(Low) 1.07
    Percent Possible(All) 80.1
    R Merge I(Observed) 0.179
    Mean I Over Sigma(Observed) 3.6
    Redundancy 2.1
    Number Unique Reflections(All) 1699
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.05
    Resolution(Low) 16.03
    Number of Reflections(all) 35225
    Number of Reflections(Observed) 31632
    Number of Reflections(R-Free) 1672
    Percent Reflections(Observed) 89.82
    R-Factor(Observed) 0.118
    R-Work 0.11606
    R-Free 0.15541
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model ANISOTROPIC
    Mean Isotropic B Value 14.214
    Anisotropic B[1][1] 0.2
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.11
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.09
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.05
    Shell Resolution(Low) 1.077
    Number of Reflections(R-Free) 97
    Number of Reflections(R-Work) 1837
    R-Factor(R-Work) 0.208
    R-Factor(R-Free) 0.232
    Percent Reflections(Observed) 75.25
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 11.06
    r_sphericity_free 24.569
    r_rigid_bond_restr 9.56
    r_gen_planes_refined 0.013
    r_chiral_restr 0.147
    r_dihedral_angle_3_deg 10.908
    r_dihedral_angle_2_deg 28.6
    r_dihedral_angle_1_deg 7.0
    r_angle_refined_deg 2.549
    r_bond_refined_d 0.025
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 738
    Nucleic Acid Atoms 0
    Heterogen Atoms 1
    Solvent Atoms 189
     
     
  •   Software and Computing Hide
    Computing
    Data Collection Marccd
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution Molrep
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building Molrep
    data collection Marccd