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X-RAY DIFFRACTION
Materials and Methods page
1HBY
  •   Crystallization Hide
    Crystallization Experiments
    pH 6
    Details 25% PEG 6000, 0.1M MES, PH 6.0, 0.1M NACL
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 86.21 α = 90
    b = 38.4 β = 90
    c = 33.57 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 287
     
    Diffraction Detector
    Detector IMAGEPLATE
    Type MARRESEARCHNULL
    Details MIRRORS
    Collection Date 1998-09-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX9.5
    Wavelength 0.87
    Site SRS
    Beamline PX9.5
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2
    Resolution(Low) 40
    Number Reflections(Observed) 7458
    Percent Possible(Observed) 92.9
    R Merge I(Observed) 0.079
    B(Isotropic) From Wilson Plot 19.6
    Redundancy 5.3
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.06
    Percent Possible(All) 97.1
    R Merge I(Observed) 0.152
    Mean I Over Sigma(Observed) 11.2
    Redundancy 2.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 40.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 7447
    Number of Reflections(R-Free) 566
    Percent Reflections(Observed) 93.1
    R-Factor(Observed) 0.185
    R-Work 0.185
    R-Free 0.23
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 24.7
    Anisotropic B[1][1] 0.0
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.0
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(R-Free) 83
    Number of Reflections(R-Work) 1181
    R-Factor(R-Work) 0.231
    R-Factor(R-Free) 0.257
    R-Free Error 0.028
    Percent Reflections(Observed) 97.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 7.02
    x_scbond_it 4.66
    x_mcangle_it 4.67
    x_mcbond_it 3.0
    x_improper_angle_d 0.77
    x_bond_d 0.009
    x_angle_deg 1.4
    x_dihedral_angle_d 27.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.21
    Luzzati Sigma A(Observed) 0.18
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.27
    Luzzati Sigma A(R-Free Set) 0.19
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 992
    Nucleic Acid Atoms 0
    Heterogen Atoms 5
    Solvent Atoms 46
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement X-PLOR 3.851
     
    Software
    refinement X-PLOR version: 3.851
    model building AMORE