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X-RAY DIFFRACTION
Materials and Methods page
4B3S
  •   Crystallization Hide
    Crystallization Experiments
    Details 4% MPD, 75MM NH4CL, 200MM KCL, 15MM MAGNESIUM CHLORIDE, MES-KOH PH 6.5,VAPOR DIFFUSION, HANGING DROP AT 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 401.15 α = 90
    b = 401.15 β = 90
    c = 173.64 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (QUANTUM 315R)
    Type ADSC
    Collection Date 2009-04-06
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.9395
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.1
    Resolution(High) 3.15
    Resolution(Low) 40
    Number Reflections(Observed) 240081
    Percent Possible(Observed) 99.2
    R Merge I(Observed) 0.17
    Redundancy 4.0
     
    High Resolution Shell Details
    Resolution(High) 3.15
    Resolution(Low) 3.25
    Percent Possible(All) 99.5
    R Merge I(Observed) 0.96
    Mean I Over Sigma(Observed) 2.1
    Redundancy 4.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method ISOMORPHOUS REPLACEMENT
    reflnsShellList 3.15
    Resolution(Low) 40.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 240081
    Number of Reflections(R-Free) 11456
    Percent Reflections(Observed) 99.3
    R-Factor(Observed) 0.2104
    R-Work 0.2104
    R-Free 0.2473
     
    Temperature Factor Modeling
    Anisotropic B[1][1] -1.875
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.875
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 3.75
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_bond_d 0.007
    c_angle_deg 1.239
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 19239
    Nucleic Acid Atoms 32844
    Heterogen Atoms 230
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution CNS
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building CNS