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X-RAY DIFFRACTION
Materials and Methods page
1RT2
  •   Crystallization Hide
    Crystallization Experiments
    pH 5
    Details pH 5.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 137.3 α = 90
    b = 110.2 β = 90
    c = 72.1 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
    Type MAR scanner 300 mm plate
    Collection Date 1995-10-22
     
    Diffraction Radiation
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BL19
    Wavelength 0.930
    Site ESRF
    Beamline BL19
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.55
    Resolution(Low) 20
    Number Reflections(Observed) 30972
    Percent Possible(Observed) 85.3
    R Merge I(Observed) 0.067
    Redundancy 7.5
     
    High Resolution Shell Details
    Resolution(High) 2.55
    Resolution(Low) 2.64
    Percent Possible(All) 70.6
    R Merge I(Observed) 0.279
    Mean I Over Sigma(Observed) 2.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.55
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 30972
    Percent Reflections(Observed) 85.3
    R-Factor(Observed) 0.207
    R-Work 0.207
     
    Temperature Factor Modeling
    Mean Isotropic B Value 56.3
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_improper_angle_d 1.435
    x_bond_d 0.01
    x_angle_deg 1.624
    x_dihedral_angle_d 24.21
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7769
    Nucleic Acid Atoms 0
    Heterogen Atoms 27
    Solvent Atoms 138
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    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