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X-RAY DIFFRACTION
Materials and Methods page
1SFI
  •   Crystallization Hide
    Crystallization Experiments
    pH 8
    Details pH 8.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 60.61 α = 90
    b = 64.43 β = 90
    c = 70.62 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Details MIRRORS
    Collection Date 1998-05
     
    Diffraction Radiation
    Monochromator SI(111)
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX7.2
    Wavelength 1.448
    Site SRS
    Beamline PX7.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.65
    Resolution(Low) 20
    Number Reflections(Observed) 32839
    Percent Possible(Observed) 96.7
    R Merge I(Observed) 0.067
    B(Isotropic) From Wilson Plot 18.43
    Redundancy 2.5
     
    High Resolution Shell Details
    Resolution(High) 1.65
    Resolution(Low) 1.78
    Percent Possible(All) 91.0
    R Merge I(Observed) 0.223
    Mean I Over Sigma(Observed) 3.8
    Redundancy 2.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.65
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 30710
    Number of Reflections(R-Free) 1672
    Percent Reflections(Observed) 96.7
    R-Work 0.175
    R-Free 0.204
    R-Free Selection Details SHELLS
     
    Temperature Factor Modeling
    Mean Isotropic B Value 21.11
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    p_special_tor 15.0
    p_transverse_tor 20.1
    p_staggered_tor 12.2
    p_planar_tor 4.7
    p_xyhbond_nbd 0.1
    p_multtor_nbd 0.239
    p_bond_d 0.014
    p_angle_d 0.03
    p_planar_d 0.036
    p_mcbond_it 1.3
    p_mcangle_it 1.787
    p_scbond_it 1.822
    p_scangle_it 2.56
    p_plane_restr 0.0262
    p_chiral_restr 0.138
    p_singtor_nbd 0.167
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1734
    Nucleic Acid Atoms 0
    Heterogen Atoms 16
    Solvent Atoms 376
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement REFMAC
     
    Software
    refinement REFMAC
    model building AMORE
    data reduction SCALEPACK
    data collection DENZO