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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
2XFK
  •   Crystallization Hide
    Crystallization Experiments
    Details CRYSTALS GROWN BY VAPOUR DIFFUSION AT 20C USING STREAK SEEDING, WITH 10% PEG8000 AND 0.1M GLYCINE PH 3.2
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 47.86 α = 90
    b = 76.85 β = 90
    c = 104.47 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
    Collection Date 2002-07-10
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.9393
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.8
    Resolution(Low) 25
    Number Reflections(Observed) 36639
    Percent Possible(Observed) 99.6
    R Merge I(Observed) 0.06
    Redundancy 4.6
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.83
    Percent Possible(All) 94.8
    R Merge I(Observed) 0.24
    Mean I Over Sigma(Observed) 4.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 1.8
    Resolution(Low) 61.9
    Number of Reflections(Observed) 35116
    Number of Reflections(R-Free) 1465
    Percent Reflections(Observed) 99.59
    R-Factor(Observed) 0.16456
    R-Work 0.16329
    R-Free 0.19515
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 16.947
    Anisotropic B[1][1] 1.87
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.54
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.33
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.796
    Shell Resolution(Low) 1.843
    Number of Reflections(R-Free) 107
    Number of Reflections(R-Work) 2498
    R-Factor(R-Work) 0.189
    R-Factor(R-Free) 0.247
    Percent Reflections(Observed) 97.06
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2928
    Nucleic Acid Atoms 0
    Heterogen Atoms 46
    Solvent Atoms 361
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement REFMAC 5.5
     
    Software
    refinement REFMAC version: 5.5