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X-RAY DIFFRACTION
Materials and Methods page
1CD1
  •   Crystallization Hide
    Crystallization Experiments
    Method vapor diffusion - sitting drop
    pH 6.5
    Details 6 MG/ML PROTEIN 2.0M (NH4)2SO4 100 MM SODIUM CACODYLATE, 20MM EDTA, PH 6.5 5 UL PROTEIN + 2.5 UL RESERVOIR SITTING DROP, vapor diffusion - sitting drop
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 59.34 α = 90
    b = 76.2 β = 102.29
    c = 103.4 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type ELLIOT
    Details MIRRORS
    Collection Date 1994-09-02
     
    Diffraction Radiation
    Monochromator GRAPHITE(002)
     
    Diffraction Source
    Source ROTATING ANODE
    Type ELLIOTT GX-18
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.56
    Resolution(Low) 46.14
    Number Reflections(Observed) 22974
    Percent Possible(Observed) 75.01
    B(Isotropic) From Wilson Plot 27.7
    Redundancy 1.93
     
    High Resolution Shell Details
    Resolution(High) 2.557
    Resolution(Low) 2.661
    Percent Possible(All) 21.0
    Mean I Over Sigma(Observed) 1.3
    R-Sym I(Observed) 0.46
    Redundancy 1.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.67
    Resolution(Low) 10.0
    Cut-off Sigma(F) 1.5
    Number of Reflections(Observed) 19916
    Number of Reflections(R-Free) 2177
    Percent Reflections(Observed) 83.7
    R-Factor(Observed) 0.192
    R-Work 0.192
    R-Free 0.33
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 24.8
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.67
    Shell Resolution(Low) 2.79
    Number of Reflections(R-Free) 216
    Number of Reflections(R-Work) 1850
    R-Factor(R-Work) 0.26
    R-Factor(R-Free) 0.38
    Percent Reflections(Observed) 42.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.7
    x_bond_d 0.013
    x_angle_deg 1.95
    x_dihedral_angle_d 27.0
     
    Coordinate Error
    Luzzati ESD(Observed) 0.27
    Luzzati Resolution Cutoff(Low) 10.0
    Luzzati ESD(R-Free Set) 0.55
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 6026
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XENGEN
    Data Reduction (data scaling) XENGEN
    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
    data reduction XENGEN
    data collection XENGEN