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X-RAY DIFFRACTION
Materials and Methods page
4HTG
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.6
    Temperature 293.0
    Details 5 mg/ml protein added in 50:50 ratio to the well-solution of 25% PEG 4000, 100 mM sodium citrate, 200 mM ammonium sulphate. Crystals grown in the dark due to photosensitivity of the cofactor., pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 141.57 α = 90
    b = 37.27 β = 105
    c = 55.07 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Collection Date 2007-05-19
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID29
    Wavelength List 0.979
    Site ESRF
    Beamline ID29
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.45
    Resolution(Low) 32.89
    Number Reflections(Observed) 49235
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.098
    B(Isotropic) From Wilson Plot 15.1
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 1.45
    Resolution(Low) 1.53
    Percent Possible(All) 99.4
    R Merge I(Observed) 0.767
    Mean I Over Sigma(Observed) 2.2
    Redundancy 3.5
    Number Unique Reflections(All) 7129
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.45
    Resolution(Low) 32.89
    Number of Reflections(Observed) 46662
    Number of Reflections(R-Free) 2455
    Percent Reflections(Observed) 99.03
    R-Factor(Observed) 0.14859
    R-Work 0.14495
    R-Free 0.21707
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Anisotropic
    Mean Isotropic B Value 22.927
    Anisotropic B[1][1] 0.34
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.1
    Anisotropic B[2][2] -0.55
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.26
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.45
    Shell Resolution(Low) 1.488
    Number of Reflections(R-Free) 164
    Number of Reflections(R-Work) 3206
    R-Factor(R-Work) 0.264
    R-Factor(R-Free) 0.364
    Percent Reflections(Observed) 96.64
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 19.639
    r_sphericity_free 38.308
    r_rigid_bond_restr 6.36
    r_gen_planes_refined 0.012
    r_chiral_restr 0.135
    r_dihedral_angle_4_deg 16.794
    r_dihedral_angle_3_deg 15.465
    r_dihedral_angle_2_deg 36.967
    r_dihedral_angle_1_deg 5.763
    r_angle_refined_deg 2.052
    r_bond_refined_d 0.02
     
    Coordinate Error
    Luzzati Sigma A(Observed) 0.04
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2289
    Nucleic Acid Atoms 0
    Heterogen Atoms 35
    Solvent Atoms 409
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building MOLREP