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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1FKO
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5
    Temperature 277.0
    Details see reference 13, pH 5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 140.3 α = 90
    b = 109.7 β = 90
    c = 74.4 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 289
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type FUJI
    Collection Date 1997-11-30
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type PHOTON FACTORY BEAMLINE BL-6A
    Wavelength 1.000
    Site PHOTON FACTORY
    Beamline BL-6A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.5
    Resolution(High) 2.9
    Resolution(Low) 30
    Number Reflections(Observed) 23338
    Percent Possible(Observed) 89.2
    R Merge I(Observed) 0.118
    B(Isotropic) From Wilson Plot 55.6
    Redundancy 3.4
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.0
    Percent Possible(All) 75.3
    R Merge I(Observed) 0.641
    Redundancy 2.7
    Number Unique Reflections(All) 2006
     
     
  •   Refinement Hide
    Refinement Statistics
    reflnsShellList 2.9
    Resolution(Low) 30.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 23338
    Number of Reflections(R-Free) 1541
    Percent Reflections(Observed) 89.2
    R-Factor(Observed) 0.203
    R-Work 0.205
    R-Free 0.287
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.4
    c_bond_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7756
    Nucleic Acid Atoms 0
    Heterogen Atoms 21
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building CNS
    data reduction SCALEPACK
    data collection DENZO