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X-RAY DIFFRACTION
Materials and Methods page
1YYY
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details pH 7.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.76 α = 90
    b = 63.14 β = 90
    c = 69.29 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 300
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU
    Collection Date 1995-09
     
    Diffraction Radiation
    Monochromator NI FILTER
     
    Diffraction Source
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.1
    Number Reflections(Observed) 13609
    Percent Possible(Observed) 76.0
    R Merge I(Observed) 0.043
    Redundancy 2.0
     
    High Resolution Shell Details
    Resolution(High) 2.1
    Resolution(Low) 2.3
    Percent Possible(All) 52.0
    R Merge I(Observed) 0.061
    Mean I Over Sigma(Observed) 2.5
    R-Sym I(Observed) 0.25
    Redundancy 2.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.1
    Resolution(Low) 7.0
    Cut-off Sigma(F) 3.0
    Number of Reflections(Observed) 13035
    Percent Reflections(Observed) 72.0
    R-Work 0.157
     
    Temperature Factor Modeling
    Mean Isotropic B Value 17.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    p_transverse_tor 30.0
    p_staggered_tor 20.0
    p_planar_tor 4.0
    p_xyhbond_nbd 0.28
    p_multtor_nbd 0.31
    p_bond_d 0.015
    p_angle_d 0.035
    p_planar_d 0.055
    p_mcbond_it 1.1
    p_mcangle_it 1.8
    p_scbond_it 2.6
    p_scangle_it 3.8
    p_plane_restr 0.027
    p_chiral_restr 0.15
    p_singtor_nbd 0.22
     
    Coordinate Error
    Luzzati ESD(Observed) 0.2
    Luzzati Resolution Cutoff(Low) 7.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1629
    Nucleic Acid Atoms 0
    Heterogen Atoms 29
    Solvent Atoms 157
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) R-AXIS II
    Data Reduction (data scaling) R-AXIS II
    Structure Solution X-PLOR
    Structure Refinement PROFFT, X-PLOR
     
    Software
    refinement X-PLOR
    refinement PROFFT
    model building X-PLOR
    data reduction R-AXIS version: II
    data collection R-AXIS version: II