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X-RAY DIFFRACTION
Materials and Methods page
3P4J
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Temperature 293.0
    Details DNA water solution mixed 1:1 v/v with 10% MPD, 12 mM spermine tetra-HCl, 40 mM HEPES pH 7.0 and equilibrated against 35% MPD, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 17.88 α = 90
    b = 31.42 β = 90
    c = 43.9 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
    Details FOCUSING MIRRORS
    Collection Date 2010-04-25
     
    Diffraction Radiation
    Monochromator SI 111 DOUBLE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 24-ID-C
    Wavelength 0.5904
    Site APS
    Beamline 24-ID-C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 0.55
    Resolution(Low) 30
    Number Reflections(Observed) 130650
    Percent Possible(Observed) 84.5
    R Merge I(Observed) 0.057
    B(Isotropic) From Wilson Plot 2.45
    Redundancy 2.5
     
    High Resolution Shell Details
    Resolution(High) 0.55
    Resolution(Low) 0.57
    Percent Possible(All) 53.0
    R Merge I(Observed) 0.276
    Redundancy 1.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 0.55
    Resolution(Low) 30.0
    Cut-off Sigma(F) 4.0
    Number of Reflections(Observed) 130650
    Number of Reflections(R-Free) 1724
    Percent Reflections(Observed) 84.5
    R-Factor(All) 0.08
    R-Factor(Observed) 0.078
    R-Work 0.078
    R-Free 0.085
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 240
    Heterogen Atoms 14
    Solvent Atoms 128
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution KNOWN MODEL
    Structure Refinement SHELXL
     
    Software
    data extraction pdb_extract version: 3.10
    refinement SHELX
    data scaling SCALEPACK