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X-RAY DIFFRACTION
Materials and Methods page
2Q9G
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 4.6
    Temperature 291.0
    Details PEG8000, Potassium Phosphate, Glycerol, NaCl, PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K, VAPOR DIFFUSION, SITTING DROP
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 121.35 α = 90
    b = 121.35 β = 90
    c = 142.57 γ = 90
     
    Space Group
    Space Group Name:    I 41 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Details FLAT MIRROR (VERTICAL FOCUSING), SINGLE CRYSTAL SI(111) BENT MONOCHROMATOR (HO RIZONTAL FOCUSING)
    Collection Date 2007-01-30
     
    Diffraction Radiation
    Monochromator SIDE SCATTERING BENT CUBE- ROOT I-BEAM SINGLE CRYSTAL, ASYMMETRIC CUT 4.965 DEGS
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL11-1
    Wavelength List 0.97945
    Site SSRL
    Beamline BL11-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.4
    Resolution(Low) 92.45
    Number Reflections(All) 21106
    Number Reflections(Observed) 21106
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.098
    B(Isotropic) From Wilson Plot 48.0
    Redundancy 7.0
     
    High Resolution Shell Details
    Resolution(High) 2.4
    Resolution(Low) 2.46
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.9
    Mean I Over Sigma(Observed) 1.8
    R-Sym I(Observed) 0.9
    Redundancy 7.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.4
    Resolution(Low) 46.21
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 20181
    Number of Reflections(Observed) 20181
    Number of Reflections(R-Free) 1018
    Percent Reflections(Observed) 95.3
    R-Factor(All) 0.21799
    R-Factor(Observed) 0.189
    R-Work 0.189
    R-Free 0.242
    R-Free Selection Details THICK SHELLS
     
    Temperature Factor Modeling
    Isotropic Thermal Model variable
    Mean Isotropic B Value 73.6
    Anisotropic B[1][1] -0.56
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.56
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.12
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.44
    Number of Reflections(Observed) 877
    Number of Reflections(R-Free) 58
    Number of Reflections(R-Work) 822
    R-Factor(R-Work) 0.326
    R-Factor(R-Free) 0.367
    R-Free Error 0.048
    Percent Reflections(Observed) 84.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 2.2
    c_bond_d 0.011
    c_angle_deg 1.6
    c_dihedral_angle_d 16.8
     
    Coordinate Error
    Luzzati ESD(Observed) 0.29
    Luzzati Sigma A(Observed) 0.38
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.38
    Luzzati Sigma A(R-Free Set) 0.48
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3392
    Nucleic Acid Atoms 0
    Heterogen Atoms 55
    Solvent Atoms 25
     
     
  •   Software and Computing Hide
    Computing
    Data Collection blueice
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1