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X-RAY DIFFRACTION
Materials and Methods page
1S1T
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5
    Temperature 277.0
    Details pH 5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 137.51 α = 90
    b = 109.38 β = 90
    c = 72.15 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 1997-12-16
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM14
    Wavelength List 0.918
    Site ESRF
    Beamline BM14
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -1.5
    Resolution(High) 2.4
    Resolution(Low) 30
    Number Reflections(Observed) 41571
    Percent Possible(Observed) 96.3
    R Merge I(Observed) 0.067
    B(Isotropic) From Wilson Plot 53.4
    Redundancy 4.84
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.49
    Percent Possible(All) 80.4
    R Merge I(Observed) 0.31
    Mean I Over Sigma(Observed) 1.9
    Redundancy 2.85
    Number Unique Reflections(All) 3398
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.4
    Resolution(Low) 29.42
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 41526
    Number of Reflections(R-Free) 2086
    Percent Reflections(Observed) 96.5
    R-Factor(All) 0.201
    R-Work 0.206
    R-Free 0.274
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 53.7
    Anisotropic B[1][1] -3.61
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -11.45
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 15.06
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.49
    Number of Reflections(R-Free) 157
    Number of Reflections(R-Work) 3122
    R-Factor(R-Work) 0.293
    R-Factor(R-Free) 0.364
    R-Free Error 0.029
    Percent Reflections(Observed) 76.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 11.81
    c_scbond_it 8.36
    c_mcangle_it 7.47
    c_mcbond_it 4.78
    c_improper_angle_d 0.89
    c_dihedral_angle_d 22.9
    c_angle_deg 1.4
    c_bond_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.3
    Luzzati Sigma A(Observed) 0.27
    Luzzati Resolution Cutoff(Low) 30.0
    Luzzati ESD(R-Free Set) 0.42
    Luzzati Sigma A(R-Free Set) 0.38
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7796
    Nucleic Acid Atoms 0
    Heterogen Atoms 32
    Solvent Atoms 184
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.0
     
    Software
    refinement CNS version: 1.0