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X-RAY DIFFRACTION
Materials and Methods page
1WYK
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details 20-26%(W/V) PEG 8000, 100 MM SODIUM CACODYLATE, PH6.5, 150MM SODIUM ACETATE, 6%(V/V) DIOXANE
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 35.98 α = 109.4
    b = 59.54 β = 101.5
    c = 71.05 γ = 90.14
     
    Space Group
    Space Group Name:    P 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 110
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Details BENT FOCUSING MIRROR
    Collection Date 1995-10-26
     
    Diffraction Radiation
     
    Diffraction Source
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2
    Resolution(Low) 30
    Number Reflections(Observed) 28851
    Percent Possible(Observed) 78.3
    B(Isotropic) From Wilson Plot 15.2
    Redundancy 1.9
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.05
    Percent Possible(All) 28.8
    Mean I Over Sigma(Observed) 6.0
    R-Sym I(Observed) 0.089
    Redundancy 1.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 8.0
    Cut-off Sigma(F) 1.0
    Number of Reflections(Observed) 28043
    Number of Reflections(R-Free) 1365
    Percent Reflections(Observed) 78.0
    R-Factor(Observed) 0.197
    R-Work 0.197
    R-Free 0.268
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 15.6
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.03
    Number of Reflections(R-Free) 24
    Number of Reflections(R-Work) 473
    R-Factor(R-Work) 0.234
    R-Factor(R-Free) 0.367
    R-Free Error 0.074
    Percent Reflections(Observed) 24.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.571
    x_bond_d 0.01
    x_angle_deg 1.734
    x_dihedral_angle_d 26.87
     
    Coordinate Error
    Luzzati Resolution Cutoff(Low) 30.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4688
    Nucleic Acid Atoms 0
    Heterogen Atoms 38
    Solvent Atoms 469
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) HKL
    Structure Solution X-PLOR 3.1
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR version: 3.1