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X-RAY DIFFRACTION
Materials and Methods page
1BUH
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 17-19% MEPEG 5K, 100 MM TRIS-HCL PH 7.5, 100 MM KCL
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 56.8 α = 90
    b = 69.95 β = 114.5
    c = 60.53 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1995-12-15
     
    Diffraction Radiation
    Monochromator NI FILTER
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type SIEMENS
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.6
    Resolution(Low) 20
    Number Reflections(Observed) 84909
    Percent Possible(Observed) 97.0
    R Merge I(Observed) 0.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.6
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 13011
    Number of Reflections(R-Free) 612
    Percent Reflections(Observed) 97.0
    R-Factor(Observed) 0.19
    R-Work 0.19
    R-Free 0.25
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 24.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.7
    Number of Reflections(R-Free) 64
    Number of Reflections(R-Work) 1478
    R-Factor(R-Work) 0.28
    R-Factor(R-Free) 0.31
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.4
    x_bond_d 0.012
    x_angle_deg 1.6
    x_dihedral_angle_d 25.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2916
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 127
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement X-PLOR 3.8
     
    Software
    refinement X-PLOR version: 3.8
    model building AMORE