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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1XNQ
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 277.0
    Details MPD, magnesium chloride, potassium chloride, ammonium chloride, MES-KOH, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 401.14 α = 90
    b = 401.14 β = 90
    c = 175.19 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
    Type ADSC QUANTUM 4
    Details Si111
    Collection Date 2003-04-01
     
    Diffraction Radiation
    Monochromator Si111
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength List 0.9393
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.05
    Resolution(Low) 99
    Number Reflections(Observed) 272898
    Percent Possible(Observed) 96.6
    Redundancy 27.7
     
    High Resolution Shell Details
    Resolution(High) 3.05
    Resolution(Low) 3.16
    Percent Possible(All) 95.4
    Mean I Over Sigma(Observed) 1.88
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.05
    Resolution(Low) 99.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 282051
    Number of Reflections(Observed) 271076
    Number of Reflections(R-Free) 12807
    Percent Reflections(Observed) 89.6
    R-Factor(All) 0.243
    R-Factor(Observed) 0.243
    R-Work 0.228
    R-Free 0.27
    R-Free Selection Details carried through from starting model
     
    Temperature Factor Modeling
    Isotropic Thermal Model isotropic
    Mean Isotropic B Value 80.06
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_d 1.212
    c_bond_d 0.0066
     
    Coordinate Error
    Luzzati Sigma A(Observed) 0.58
    Luzzati Sigma A(R-Free Set) 0.61
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 19229
    Nucleic Acid Atoms 32696
    Heterogen Atoms 151
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building CNS
    data reduction SCALEPACK
    data collection DENZO