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X-RAY DIFFRACTION
Materials and Methods page
3V19
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION
    pH 8
    Temperature 298.0
    Details 0.02 M Tris, 0.05 M sodium citrate, 5% acetone, 0.03% phenol, 0.01% zinc acetate, pH 8.0, VAPOR DIFFUSION, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 78.3 α = 90
    b = 78.3 β = 90
    c = 36.22 γ = 120
     
    Space Group
    Space Group Name:    H 3
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type ADSC QUANTUM 315
    Details Si 111
    Collection Date 2007-08-08
     
    Diffraction Radiation
    Monochromator Si 111
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 14-BM-C
    Wavelength List 0.90020
    Site APS
    Beamline 14-BM-C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2
    Resolution(Low) 16.69
    Number Reflections(All) 5596
    Number Reflections(Observed) 5515
    Percent Possible(Observed) 98.4
    R Merge I(Observed) 0.047
    B(Isotropic) From Wilson Plot 21.6
    Redundancy 5.2
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.315
    Mean I Over Sigma(Observed) 6.57
    Redundancy 5.1
    Number Unique Reflections(All) 798
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 16.69
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 5596
    Number of Reflections(Observed) 5371
    Number of Reflections(R-Free) 574
    Percent Reflections(Observed) 96.1
    R-Work 0.208
    R-Free 0.266
    R-Free Selection Details Random
     
    Temperature Factor Modeling
    Isotropic Thermal Model restrained
    Mean Isotropic B Value 42.7
    Anisotropic B[1][1] 2.36
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 2.36
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -4.73
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(Observed) 798
    Number of Reflections(R-Free) 98
    R-Factor(R-Work) 0.259
    R-Factor(R-Free) 0.326
    R-Free Error 0.034
    Percent Reflections(Observed) 95.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.62
    c_dihedral_angle_d 20.6
    c_angle_deg 1.1
    c_angle_d 0.008
     
    Coordinate Error
    Luzzati ESD(Observed) 0.24
    Luzzati Sigma A(Observed) 0.18
    Luzzati Resolution Cutoff(Low) 5.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 818
    Nucleic Acid Atoms 0
    Heterogen Atoms 11
    Solvent Atoms 66
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data collection ADSC version: Quantum