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X-RAY DIFFRACTION
Materials and Methods page
4B3R
  •   Crystallization Hide
    Crystallization Experiments
    Details 4% MPD, 75MM NH4CL, 200MM KCL, 15MM MAGNESIUM CHLORIDE, MES-KOH PH 6.5,VAPOUR DIFFUSION, HANGING DROP AT 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 402.48 α = 90
    b = 402.48 β = 90
    c = 174.98 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
    Resolution(Low) 40
    Number Reflections(Observed) 281438
    Percent Possible(Observed) 99.2
    R Merge I(Observed) 0.13
    Redundancy 6.6
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.1
    Percent Possible(All) 97.6
    R Merge I(Observed) 1.44
    Mean I Over Sigma(Observed) 2.1
    Redundancy 6.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method ISOMORPHOUS REPLACEMENT
    reflnsShellList 3.0
    Resolution(Low) 40.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 281438
    Number of Reflections(R-Free) 14067
    Percent Reflections(Observed) 99.3
    R-Factor(Observed) 0.214
    R-Work 0.214
    R-Free 0.2479
     
    Temperature Factor Modeling
    Anisotropic B[1][1] -5.353
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -5.353
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 10.706
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_bond_d 0.006
    c_angle_deg 1.226
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 19239
    Nucleic Acid Atoms 32884
    Heterogen Atoms 274
    Solvent Atoms 7
     
     
  •   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