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X-RAY DIFFRACTION
Materials and Methods page
1RT7
  •   Crystallization Hide
    Crystallization Experiments
    pH 5
    Details pH 5.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 137.6 α = 90
    b = 109.5 β = 90
    c = 72 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 MARRESEARCH
    Collection Date 1997-09
     
    Diffraction Radiation
    Monochromator 0.2MM
     
    Diffraction Source
    Source SYNCHROTRON
    Type SRS BEAMLINE PX9.6
    Wavelength 0.87
    Site SRS
    Beamline PX9.6
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 3
    Resolution(Low) 30
    Number Reflections(Observed) 19595
    Percent Possible(Observed) 87.3
    R Merge I(Observed) 0.103
    Redundancy 2.74
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.11
    Percent Possible(All) 71.3
    R Merge I(Observed) 0.451
    Mean I Over Sigma(Observed) 1.73
    Redundancy 1.96
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.0
    Resolution(Low) 30.0
    Number of Reflections(Observed) 19595
    Number of Reflections(R-Free) 827
    Percent Reflections(Observed) 87.3
    R-Factor(Observed) 0.258
    R-Work 0.258
    R-Free 0.335
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 54.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.0
    Shell Resolution(Low) 3.14
    Number of Reflections(R-Free) 88
    Number of Reflections(R-Work) 1897
    R-Factor(R-Work) 0.329
    R-Factor(R-Free) 0.413
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    x_scangle_it 12.0
    x_scbond_it 6.0
    x_mcangle_it 8.0
    x_mcbond_it 4.0
    x_improper_angle_d 1.3
    x_bond_d 0.009
    x_angle_deg 1.5
    x_dihedral_angle_d 23.9
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7817
    Nucleic Acid Atoms 0
    Heterogen Atoms 28
    Solvent Atoms 5
     
     
  •   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