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X-RAY DIFFRACTION
Materials and Methods page
1KPO
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details pH 7.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 137.67 α = 90
    b = 264.23 β = 92.39
    c = 294.8 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Collection Date 1998-11-15
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 5.0.2
    Wavelength 1.00
    Site ALS
    Beamline 5.0.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 3.5
    Resolution(Low) 20
    Number Reflections(Observed) 217987
    Percent Possible(Observed) 85.1
    R Merge I(Observed) 0.114
    Redundancy 11.02
     
    High Resolution Shell Details
    Resolution(High) 3.5
    Resolution(Low) 3.62
    Percent Possible(All) 51.4
    R Merge I(Observed) 0.337
    Mean I Over Sigma(Observed) 1.396
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.52
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 198130
    Number of Reflections(R-Free) 9860
    Percent Reflections(Observed) 76.5
    R-Work 0.291
    R-Free 0.298
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 80.7
    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) 3.52
    Shell Resolution(Low) 3.72
    Number of Reflections(R-Free) 789
    Number of Reflections(R-Work) 15157
    R-Factor(R-Work) 0.417
    R-Factor(R-Free) 0.418
    R-Free Error 0.015
    Percent Reflections(Observed) 36.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.74
    c_dihedral_angle_d 21.6
    c_angle_deg 1.3
    c_bond_d 0.01
     
    Coordinate Error
    Luzzati ESD(Observed) 0.63
    Luzzati Sigma A(Observed) 1.14
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.64
    Luzzati Sigma A(R-Free Set) 0.94
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 53998
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) HKL
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0
    model building CNS