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X-RAY DIFFRACTION
Materials and Methods page
2V2T
  •   Crystallization Hide
    Crystallization Experiments
    pH 7
    Details 5% PEG3350 100 MM NACITRATE 1MM SPERMINE 5MM DTT, pH 7
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 91.44 α = 90
    b = 91.44 β = 90
    c = 419.97 γ = 120
     
    Space Group
    Space Group Name:    P 61 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 105
     
    Diffraction Detector
    Detector CCD
    Type ADSC
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 19-ID
    Wavelength 1.05
    Site APS
    Beamline 19-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.04
    Resolution(Low) 30
    Number Reflections(Observed) 19931
    Percent Possible(Observed) 96.0
    R Merge I(Observed) 0.06
    B(Isotropic) From Wilson Plot 86.0
    Redundancy 12.8
     
    High Resolution Shell Details
    Resolution(High) 3.04
    Resolution(Low) 3.15
    Percent Possible(All) 91.0
    R Merge I(Observed) 0.51
    Mean I Over Sigma(Observed) 2.5
    Redundancy 9.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.05
    Resolution(Low) 19.9
    Cut-off Sigma(F) 2.0
    Number of Reflections(Observed) 19087
    Number of Reflections(R-Free) 916
    Percent Reflections(Observed) 91.6
    R-Factor(Observed) 0.238
    R-Work 0.238
    R-Free 0.276
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 74.0
    Anisotropic B[1][1] 10.87
    Anisotropic B[1][2] 20.2
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 10.87
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -21.74
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.05
    Shell Resolution(Low) 3.24
    Number of Reflections(R-Free) 117
    Number of Reflections(R-Work) 2502
    R-Factor(R-Work) 0.329
    R-Factor(R-Free) 0.382
    R-Free Error 0.035
    Percent Reflections(Observed) 78.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.13
    c_bond_d 0.007
    c_angle_deg 1.4
    c_dihedral_angle_d 24.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.39
    Luzzati Sigma A(Observed) 0.48
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.47
    Luzzati Sigma A(R-Free Set) 0.62
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4658
    Nucleic Acid Atoms 442
    Heterogen Atoms 0
    Solvent Atoms 34
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) HKL2000
    Structure Solution AMORE
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building AMORE