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X-RAY DIFFRACTION
Materials and Methods page
2ET0
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 8.5
    Temperature 298.0
    Details 0.08M Mg acetate, 0.05M TrisCl, pH 8.5, 5% PEG400, VAPOR DIFFUSION, SITTING DROP, temperature 298.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 71.2 α = 90
    b = 71.2 β = 90
    c = 71.2 γ = 90
     
    Space Group
    Space Group Name:    P 41 3 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
    Diffrn ID 2
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Details mirrors
    Collection Date 2003-12-05
    Detector CCD
    Type MARRESEARCH
    Details mirrors
    Collection Date 2003-09-18
     
    Diffraction Radiation
    Monochromator Diamond (111), Ge(220)
    Diffraction Protocol SINGLE WAVELENGTH
    Monochromator two Si(111) crystals
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength List 0.933
    Site ESRF
    Beamline ID14-2
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM16
    Wavelength List 1.739, 1.749, 1.627
    Site ESRF
    Beamline BM16
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.7
    Resolution(Low) 22.8
    Number Reflections(All) 7149
    Number Reflections(Observed) 7149
    Percent Possible(Observed) 99.2
    R Merge I(Observed) 0.0537
    Redundancy 50.0
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Percent Possible(All) 97.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.7
    Resolution(Low) 22.5
    Cut-off Sigma(I) 4.0
    Cut-off Sigma(F) 4.0
    Number of Reflections(all) 7149
    Number of Reflections(Observed) 6182
    Number of Reflections(R-Free) 325
    R-Factor(All) 0.26
    R-Factor(Observed) 0.258
    R-Work 0.256
    R-Free 0.291
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Isotropic Thermal Model isotropic
    Mean Isotropic B Value 23.45
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    s_similar_adp_cmpnt 0.025
    s_non_zero_chiral_vol 0.008
    s_similar_dist 0.055
    s_from_restr_planes 0.041
    s_bond_d 0.008
    s_angle_d 0.022
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 239
    Heterogen Atoms 151
    Solvent Atoms 45
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) PRODC
    Data Reduction (data scaling) XDS
    Structure Solution SHELXD, SHELXE
    Structure Refinement SHELXL-97
     
    Software
    refinement SHELXL-97
    model building SHELXD/E
    data reduction XDS
    data collection PRODC