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X-RAY DIFFRACTION
Materials and Methods page
1LYO
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.3
    Details PROTEIN WAS CRYSTALLIZED FROM SODIUM ACETATE BUFFER (PH 4.3) CONTAINING 6.0% (W/V) SODIUM CHLORIDE
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.47 α = 90
    b = 79.47 β = 90
    c = 37.91 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 285
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Collection Date 1995-12
     
    Diffraction Radiation
    Monochromator GRAPHITE(002)
     
    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) 80
    Number Reflections(Observed) 7746
    Percent Possible(Observed) 79.4
    R Merge I(Observed) 0.055
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIRECT REFINEMENT
    reflnsShellList 1.93
    Resolution(Low) 8.0
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 7580
    Percent Reflections(Observed) 79.2
    R-Factor(Observed) 0.185
    R-Work 0.185
    R-Free 0.214
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 32.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.43
    x_bond_d 0.011
    x_angle_deg 1.6
    x_dihedral_angle_d 23.8
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 73
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) R-AXIS
    Data Reduction (data scaling) R-AXIS
    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 R-AXIS
    data collection R-AXIS