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X-RAY DIFFRACTION
Materials and Methods page
4E12
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5.6
    Temperature 293.0
    Details 2%(V/V) POLYETHYLENE GLYCOL 400, 0.2M LITHIUM SULFATE, 1.6M AMMONIUM SULFATE, 0.1M SODIUM CITRATE, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 99.56 α = 90
    b = 99.56 β = 90
    c = 131.86 γ = 120
     
    Space Group
    Space Group Name:    P 62 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Collection Date 2011-06-09
     
    Diffraction Radiation
    Monochromator SI 111
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL7-1
    Wavelength 0.979
    Wavelength List 0.979
    Site SSRL
    Beamline BL7-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.93
    Resolution(Low) 50
    Number Reflections(All) 29426
    Number Reflections(Observed) 29426
    Percent Possible(Observed) 99.4
    R Merge I(Observed) 0.06
    B(Isotropic) From Wilson Plot 31.8
    Redundancy 16.0
     
    High Resolution Shell Details
    Resolution(High) 1.93
    Resolution(Low) 1.96
    Percent Possible(All) 94.6
    R Merge I(Observed) 0.28
    Mean I Over Sigma(Observed) 4.0
    R-Sym I(Observed) 0.28
    Redundancy 4.6
    Number Unique Reflections(All) 1362
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.93
    Resolution(Low) 49.78
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 29394
    Number of Reflections(Observed) 29394
    Number of Reflections(R-Free) 1405
    Percent Reflections(Observed) 99.1
    R-Factor(All) 0.217
    R-Factor(Observed) 0.213
    R-Work 0.213
    R-Free 0.233
    R-Free Selection Details THICK SHELLS
     
    Temperature Factor Modeling
    Isotropic Thermal Model variable
    Mean Isotropic B Value 42.0
    Anisotropic B[1][1] 0.42
    Anisotropic B[1][2] 1.72
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.42
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.84
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.93
    Shell Resolution(Low) 1.96
    Number of Reflections(Observed) 1276
    Number of Reflections(R-Free) 64
    Number of Reflections(R-Work) 1212
    R-Factor(R-Work) 0.291
    R-Factor(R-Free) 0.254
    R-Free Error 0.032
    Percent Reflections(Observed) 87.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.12
    c_bond_d 0.007
    c_angle_deg 1.1
    c_dihedral_angle_d 18.6
     
    Coordinate Error
    Luzzati ESD(Observed) 0.25
    Luzzati Sigma A(Observed) 0.27
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.28
    Luzzati Sigma A(R-Free Set) 0.18
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2135
    Nucleic Acid Atoms 0
    Heterogen Atoms 61
    Solvent Atoms 65
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) HKL-2000
    Structure Solution SOLVE
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building SOLVE
    data collection ADSC version: Quantum