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X-RAY DIFFRACTION
Materials and Methods page
4AH1
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details MAGNESIUM CHLORIDE, DNA, DB921, MPD, SPERMINE TETRAHYDROCHLORIDE, VAPOUR DIFFUSION, SITTING DROP, TEMPERATURE 285 K, PH 6.50
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 23.62 α = 90
    b = 38.88 β = 90
    c = 62.66 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 (MX-225)
    Type MARRESEARCH
    Details TOROIDAL MIRROR
    Collection Date 2009-07-19
     
    Diffraction Radiation
    Monochromator SI (111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-2
    Wavelength 0.873
    Site ESRF
    Beamline ID23-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.42
    Resolution(Low) 38.88
    Number Reflections(Observed) 11003
    Percent Possible(Observed) 96.6
    R Merge I(Observed) 0.05
    B(Isotropic) From Wilson Plot 0.0
    Redundancy 4.4
     
    High Resolution Shell Details
    Resolution(High) 1.42
    Resolution(Low) 1.5
    Percent Possible(All) 98.2
    R Merge I(Observed) 0.47
    Mean I Over Sigma(Observed) 2.8
    Redundancy 4.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.42
    Resolution(Low) 33.04
    Number of Reflections(Observed) 10451
    Number of Reflections(R-Free) 520
    Percent Reflections(Observed) 95.88
    R-Factor(Observed) 0.18718
    R-Work 0.1841
    R-Free 0.25036
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 16.275
    Anisotropic B[1][1] -0.02
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.05
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.07
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.42
    Shell Resolution(Low) 1.457
    Number of Reflections(R-Free) 37
    Number of Reflections(R-Work) 784
    R-Factor(R-Work) 0.272
    R-Factor(R-Free) 0.359
    Percent Reflections(Observed) 98.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.283
    r_scbond_it 2.381
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.031
    r_chiral_restr 0.142
    r_angle_other_deg 1.448
    r_angle_refined_deg 3.408
    r_bond_other_d 0.014
    r_bond_refined_d 0.025
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 486
    Heterogen Atoms 28
    Solvent Atoms 109
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0110
     
    Software
    refinement REFMAC version: 5.5.0110
    model building PHASER