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X-RAY DIFFRACTION
Materials and Methods page
4E8P
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 303.0
    Details 100 mM magnesium acetate, 150 mM rubidium chloride, 50 mM HEPES sodium, pH 7.0, 4% PEG8000, VAPOR DIFFUSION, HANGING DROP, temperature 303K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 88.99 α = 90
    b = 95.02 β = 90
    c = 223.49 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 ADSC QUANTUM 315
    Collection Date 2011-07-08
     
    Diffraction Radiation
    Monochromator double crystal Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 24-ID-C
    Wavelength List 0.8148
    Site APS
    Beamline 24-ID-C
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 3.28
    Resolution(Low) 48.16
    Number Reflections(Observed) 27907
    Percent Possible(Observed) 99.1
    R Merge I(Observed) 0.076
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 3.28
    Resolution(Low) 3.36
    Percent Possible(All) 99.6
    R Merge I(Observed) 0.737
    Mean I Over Sigma(Observed) 1.8
    Redundancy 3.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.28
    Resolution(Low) 48.16
    Number of Reflections(Observed) 27907
    Number of Reflections(R-Free) 1494
    Percent Reflections(Observed) 98.51
    R-Factor(Observed) 0.19137
    R-Work 0.18865
    R-Free 0.24373
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 119.922
    Anisotropic B[1][1] 4.78
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.91
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -3.86
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.278
    Shell Resolution(Low) 3.363
    Number of Reflections(R-Free) 101
    Number of Reflections(R-Work) 1872
    R-Factor(R-Work) 0.282
    R-Factor(R-Free) 0.353
    Percent Reflections(Observed) 99.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.01
    r_chiral_restr 0.16
    r_angle_refined_deg 2.469
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 8412
    Heterogen Atoms 127
    Solvent Atoms 28
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building PHASER