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X-RAY DIFFRACTION
Materials and Methods page
2EXM
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.4
    Temperature 277.0
    Details slow concentration of protein by equilibration of protein drop in 10 mM HEPES pH 7.4 against well solution with 0.2 M HEPES pH 7.4., VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 73.25 α = 90
    b = 72.51 β = 90
    c = 54.03 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS II
    Collection Date 1994-05-21
     
    Diffraction Radiation
    Monochromator yale mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.8
    Resolution(Low) 50
    Number Reflections(Observed) 25371
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 2.0
    Percent Possible(All) 84.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 1.8
    Resolution(Low) 8.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 22532
    R-Work 0.2
    R-Free 0.27
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_angle_deg 1.76
    x_bond_d 0.011
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2398
    Nucleic Acid Atoms 0
    Heterogen Atoms 15
    Solvent Atoms 99
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) R-AXIS
    Data Reduction (data scaling) R-AXIS
    Structure Solution X-PLOR
    Structure Refinement X-PLOR 3.1
     
    Software
    refinement X-PLOR version: 3.1
    model building X-PLOR
    data reduction R-AXIS
    data collection R-AXIS