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X-RAY DIFFRACTION
Materials and Methods page
7YAS
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 0.1 M NATRIUM HEPES BUFFER PH=7.5 2 % PEG 400, 2.0 M AMMONIUM SULFATE, 20 DEGREES.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 47.53 α = 90
    b = 106.43 β = 90
    c = 128.38 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 95
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1996-11
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ELETTRA BEAMLINE 5.2R
    Wavelength 0.91
    Site ELETTRA
    Beamline 5.2R
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.75
    Resolution(Low) 28
    Number Reflections(Observed) 30389
    Percent Possible(Observed) 91.6
    Redundancy 5.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.75
    Resolution(Low) 28.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 30389
    Number of Reflections(R-Free) 1506
    Percent Reflections(Observed) 91.6
    R-Work 0.191
    R-Free 0.218
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 11.2
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.75
    Shell Resolution(Low) 1.83
    Number of Reflections(R-Free) 186
    Number of Reflections(R-Work) 3804
    R-Factor(R-Work) 0.233
    R-Factor(R-Free) 0.232
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_bond_d 0.011
    x_angle_deg 2.08
    x_dihedral_angle_d 24.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2057
    Nucleic Acid Atoms 0
    Heterogen Atoms 36
    Solvent Atoms 302
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR version: 3.851
    model building X-PLOR
    data reduction SCALEPACK
    data collection DENZO