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X-RAY DIFFRACTION
Materials and Methods page
3SC8
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 285.0
    Details 20 % PEG400, 50 mM potassium chloride, 20 mM potassium cacodylate, 50 mM sodium cacodylate, 100 mM lithium sulfate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 285K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 50.87 α = 90
    b = 50.87 β = 90
    c = 52.46 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type PSI PILATUS 6M
    Collection Date 2011-04-16
     
    Diffraction Radiation
    Monochromator Si 111 CHANNEL
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type DIAMOND BEAMLINE I04-1
    Wavelength List 0.91730
    Site DIAMOND
    Beamline I04-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.17
    Resolution(Low) 26.23
    Number Reflections(All) 4385
    Number Reflections(Observed) 4385
    Percent Possible(Observed) 99.5
    R Merge I(Observed) 0.033
    B(Isotropic) From Wilson Plot 58.898
    Redundancy 9.5
     
    High Resolution Shell Details
    Resolution(High) 2.17
    Resolution(Low) 2.23
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.59
    Mean I Over Sigma(Observed) 3.5
    Redundancy 9.7
    Number Unique Reflections(All) 324
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.302
    Resolution(Low) 10.3
    Number of Reflections(all) 3467
    Number of Reflections(Observed) 3467
    Number of Reflections(R-Free) 161
    Percent Reflections(Observed) 100.0
    R-Factor(All) 0.25989
    R-Factor(Observed) 0.25989
    R-Work 0.25839
    R-Free 0.28828
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 45.257
    Anisotropic B[1][1] 0.01
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.01
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.01
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.302
    Shell Resolution(Low) 2.359
    Number of Reflections(R-Free) 11
    Number of Reflections(R-Work) 240
    R-Factor(R-Work) 0.404
    R-Factor(R-Free) 0.481
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.884
    r_scbond_it 1.831
    r_gen_planes_refined 0.011
    r_chiral_restr 0.06
    r_angle_refined_deg 1.048
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 447
    Heterogen Atoms 65
    Solvent Atoms 29
     
     
  •   Software and Computing Hide
    Computing
    Data Collection GDA
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0072
     
    Software
    refinement REFMAC version: 5.5.0072
    model building PHASER
    data collection GDA