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X-RAY DIFFRACTION
Materials and Methods page
3BWP
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7
    Temperature 303.0
    Details 6% PEG 3350, 150 mM magnesium acetate, 350 mM KCl, 50 mM Na-HEPES pH 7.0, 0.5 mM spermine, VAPOR DIFFUSION, SITTING DROP, temperature 303K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 88.85 α = 90
    b = 94.96 β = 90
    c = 225.91 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 2007-06-17
     
    Diffraction Radiation
    Monochromator Silicon
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 24-ID-C
    Wavelength List 0.9795
    Site APS
    Beamline 24-ID-C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.1
    Resolution(Low) 50
    Number Reflections(Observed) 34541
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.149
    Redundancy 14.8
     
    High Resolution Shell Details
    Resolution(High) 3.1
    Resolution(Low) 3.21
    Percent Possible(All) 98.7
    R Merge I(Observed) 0.439
    Mean I Over Sigma(Observed) 3.7
    Redundancy 6.2
    Number Unique Reflections(All) 3365
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 3.1
    Resolution(Low) 50.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 35502
    Number of Reflections(Observed) 33356
    Number of Reflections(R-Free) 1674
    Percent Reflections(Observed) 94.0
    R-Work 0.2762
    R-Free 0.31
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Isotropic Thermal Model isotropic
    Mean Isotropic B Value 79.413
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.1
    Shell Resolution(Low) 3.21
    Number of Reflections(Observed) 2314
    Number of Reflections(R-Free) 96
    R-Factor(R-Work) 0.2889
    R-Factor(R-Free) 0.2878
    Percent Reflections(Observed) 98.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.63
    c_dihedral_angle_d 18.0
    c_bond_d 0.01
    c_angle_deg 1.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.4
    Luzzati Sigma A(Observed) 0.1
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.47
    Luzzati Sigma A(R-Free Set) 0.04
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 7592
    Heterogen Atoms 9
    Solvent Atoms 8
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-3000
    Data Reduction (intensity integration) HKL-3000
    Data Reduction (data scaling) HKL-3000
    Structure Solution SHELXD
    Structure Refinement CNS 1.2
     
    Software
    data extraction pdb_extract version: 3.004
    refinement CNS
    density modification SHELX
    phasing SHELX
    data processing HKL