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X-RAY DIFFRACTION
Materials and Methods page
1TKX
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 138.2 α = 90
    b = 109.7 β = 90
    c = 72.8 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 289
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type FUJI
    Collection Date 1998-06-04
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type PHOTON FACTORY BEAMLINE BL-6A
    Wavelength List 1.000
    Site PHOTON FACTORY
    Beamline BL-6A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.5
    Resolution(High) 2.85
    Resolution(Low) 30
    Number Reflections(Observed) 26084
    Percent Possible(Observed) 98.2
    R Merge I(Observed) 0.154
    B(Isotropic) From Wilson Plot 73.7
    Redundancy 4.05
     
    High Resolution Shell Details
    Resolution(High) 2.85
    Resolution(Low) 2.95
    Percent Possible(All) 94.9
    R Merge I(Observed) 0.529
    Mean I Over Sigma(Observed) 0.9
    Redundancy 2.76
    Number Unique Reflections(All) 2476
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.85
    Resolution(Low) 29.63
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 26084
    Number of Reflections(R-Free) 1260
    Percent Reflections(Observed) 98.3
    R-Factor(Observed) 0.216
    R-Work 0.216
    R-Free 0.287
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 68.0
    Anisotropic B[1][1] -3.24
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -14.6
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 17.84
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.85
    Shell Resolution(Low) 2.95
    Number of Reflections(R-Free) 120
    Number of Reflections(R-Work) 2243
    R-Factor(R-Work) 0.344
    R-Factor(R-Free) 0.385
    R-Free Error 0.035
    Percent Reflections(Observed) 90.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 8.76
    c_scbond_it 5.46
    c_mcangle_it 6.34
    c_mcbond_it 3.76
    c_improper_angle_d 1.0
    c_bond_d 0.008
    c_angle_deg 1.4
    c_dihedral_angle_d 23.4
     
    Coordinate Error
    Luzzati ESD(Observed) 0.37
    Luzzati Sigma A(Observed) 0.62
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.49
    Luzzati Sigma A(R-Free Set) 0.76
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7724
    Nucleic Acid Atoms 0
    Heterogen Atoms 21
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1