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X-RAY DIFFRACTION
Materials and Methods page
1TIO
  •   Crystallization Hide
    Crystallization Experiments
    Method vapor diffusion - hanging drop
    pH 6.2
    Details HANGING DROP METHOD: THE PROTEIN WAS DISSOLVED IN 10 MM HAC-NAAC BUFFER (PH 4.1) PRECIPITANT AND RESERVOIR SOLUTION WERE 0.5 M NA2SO4 AND 0.1 M SODIUM CACODYLATE-HCL BUFFER CONTAINING 15% (W/V) MGSO4 AND 1.5% (V/V) MPD AT PH 6.2., vapor diffusion - hanging drop
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 54.54 α = 90
    b = 58.26 β = 90
    c = 67.41 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 293
     
    Diffraction Detector
    Type RIGAKU
    Collection Date 1996-04-15
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 1.93
    Resolution(Low) 64
    Number Reflections(Observed) 14880
    Percent Possible(Observed) 88.0
    R Merge I(Observed) 0.088
    Redundancy 2.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.93
    Resolution(Low) 8.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 14596
    Number of Reflections(R-Free) 1484
    Percent Reflections(Observed) 88.8
    R-Factor(Observed) 0.185
    R-Work 0.185
    R-Free 0.232
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 17.7
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.93
    Shell Resolution(Low) 2.02
    Number of Reflections(R-Free) 150
    Number of Reflections(R-Work) 1440
    R-Factor(R-Work) 0.225
    R-Factor(R-Free) 0.224
    R-Free Error 0.018
    Percent Reflections(Observed) 78.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.18
    x_bond_d 0.007
    x_angle_deg 1.46
    x_dihedral_angle_d 26.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1629
    Nucleic Acid Atoms 0
    Heterogen Atoms 55
    Solvent Atoms 174
     
     
  •   Software and Computing Hide
    Computing
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1