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X-RAY DIFFRACTION
Materials and Methods page
4HQI
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 291.0
    Details 20 mM sodium cacodylate (pH 7.0), 6 mM spermine tetra-HCl, 40 mM KCl, 10 mM BaCl2 and 5% v/v 2-Methyl-2,4-pentanediol (MPD), VAPOR DIFFUSION, HANGING DROP, temperature 291K
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 291.0
    Details 20 mM sodium cacodylate (pH 7.0), 6 mM spermine tetra-HCl, 20 mM LiCl, 40 mM SrCl2 and 5% v/v 2-Methyl-2,4-pentanediol (MPD), VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 26.38 α = 90
    b = 36.77 β = 90
    c = 77.65 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
    Diffrn ID 2
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 300 mm CCD
    Details C(111)
    Collection Date 2008-07-18
    Detector CCD
    Type MARMOSAIC 300 mm CCD
    Details Si(111)
    Collection Date 2009-07-17
     
    Diffraction Radiation
    Monochromator C(111)
    Diffraction Protocol SINGLE WAVELENGTH
    Monochromator Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 21-ID-G
    Wavelength List 0.97857
    Site APS
    Beamline 21-ID-G
    Source SYNCHROTRON
    Type APS BEAMLINE 21-ID-D
    Wavelength List 1.60499
    Site APS
    Beamline 21-ID-D
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 5.0
    Resolution(High) 1.7
    Resolution(Low) 30
    Number Reflections(All) 8811
    Number Reflections(Observed) 8236
    Percent Possible(Observed) 93.4
    R Merge I(Observed) 0.044
    Redundancy 6.4
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.76
    R Merge I(Observed) 0.228
    Mean I Over Sigma(Observed) 5.65
    Redundancy 4.0
    Number Unique Reflections(All) 524
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 1.7
    Resolution(Low) 20.67
    Number of Reflections(Observed) 7486
    Number of Reflections(R-Free) 734
    Percent Reflections(Observed) 93.39
    R-Factor(Observed) 0.26227
    R-Work 0.25885
    R-Free 0.29823
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 44.14
    Anisotropic B[1][1] 3.33
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.38
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -4.71
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.745
    Number of Reflections(R-Free) 36
    Number of Reflections(R-Work) 338
    R-Factor(R-Work) 0.336
    R-Factor(R-Free) 0.336
    Percent Reflections(Observed) 57.01
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.023
    r_chiral_restr 0.125
    r_angle_refined_deg 1.652
    r_bond_refined_d 0.011
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 481
    Heterogen Atoms 15
    Solvent Atoms 49
     
     
  •   Software and Computing Hide
    Computing
    Data Collection MD-2 diffractometer software from EMBL (with LS-CAT developed extensions)
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) HKL2000
    Structure Solution PHENIX
    Structure Refinement REFMAC 5.7.0029
     
    Software
    refinement REFMAC version: 5.7.0029
    model building PHENIX
    data collection MD-2 version: diffractometer software from EMBL (with LS-CAT developed extensions)