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X-RAY DIFFRACTION
Materials and Methods page
3S49
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7
    Temperature 298.0
    Details 10% MPD, 40 mM Na Cacodylate (pH 7.0), 12mM Spermine Tetra-HCl, 80 mM Potassium Chloride, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 47.1 α = 90
    b = 47.1 β = 90
    c = 424.65 γ = 120
     
    Space Group
    Space Group Name:    H 3 2
     
     
  •   Diffraction Hide
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 1
    Collection Date 2010-08-01
     
    Diffraction Radiation
    Monochromator Si(111) channel-cut crystal monochromator
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X12C
    Wavelength List 0.9795
    Site NSLS
    Beamline X12C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.2
    Resolution(Low) 50
    Number Reflections(All) 9870
    Number Reflections(Observed) 8288
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.5109
    Redundancy 18.8
     
    High Resolution Shell Details
    Resolution(High) 2.2
    Resolution(Low) 2.28
    Percent Possible(All) 99.4
    R Merge I(Observed) 0.89
    Mean I Over Sigma(Observed) 3.3
    Redundancy 10.7
    Number Unique Reflections(All) 959
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 30.0
    Number of Reflections(all) 8288
    Number of Reflections(Observed) 8206
    Number of Reflections(R-Free) 421
    Percent Reflections(Observed) 99.44
    R-Factor(Observed) 0.2173
    R-Work 0.21484
    R-Free 0.26977
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 50.531
    Anisotropic B[1][1] 2.01
    Anisotropic B[1][2] 1.01
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 2.01
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -3.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.3
    Shell Resolution(Low) 2.36
    Number of Reflections(R-Free) 29
    Number of Reflections(R-Work) 606
    R-Factor(R-Work) 0.306
    R-Factor(R-Free) 0.279
    Percent Reflections(Observed) 99.84
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 1.012
    r_scbond_it 0.729
    r_symmetry_hbond_refined 0.125
    r_symmetry_vdw_refined 0.157
    r_xyhbond_nbd_refined 0.12
    r_nbtor_refined 0.262
    r_nbd_refined 0.142
    r_gen_planes_refined 0.004
    r_chiral_restr 0.053
    r_angle_refined_deg 1.169
    r_bond_refined_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.31
    Luzzati Sigma A(Observed) 0.174
    Luzzati ESD(R-Free Set) 0.245
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 1162
    Heterogen Atoms 3
    Solvent Atoms 71
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution PHASES
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building PHASES
    data collection ADSC version: Quantum