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X-RAY DIFFRACTION
Materials and Methods page
4B21
  •   Crystallization Hide
    Crystallization Experiments
    Details 0.40 M (NH4)H2PO4 (NOT PH ADJUSTED), 6% 1,6-HEXANEDIOL
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 68.93 α = 90
    b = 84.75 β = 90
    c = 126.71 γ = 90
     
    Space Group
    Space Group Name:    I 2 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (QUANTUM 315R)
    Type ADSC
     
    Diffraction Radiation
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.3.1
    Wavelength 1.11
    Site ALS
    Beamline 8.3.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.45
    Resolution(Low) 50
    Number Reflections(Observed) 62545
    Percent Possible(Observed) 100.0
    B(Isotropic) From Wilson Plot 28.2
    Redundancy 6.9
     
    High Resolution Shell Details
    Resolution(High) 1.45
    Resolution(Low) 1.5
    Percent Possible(All) 100.0
    Mean I Over Sigma(Observed) 4.3
    R-Sym I(Observed) 0.44
    Redundancy 4.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.45
    Resolution(Low) 50.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 59374
    Number of Reflections(R-Free) 3171
    Percent Reflections(Observed) 94.8
    R-Factor(Observed) 0.2069
    R-Work 0.2069
    R-Free 0.2208
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 26.5
    Anisotropic B[1][1] -3.028
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.11
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 2.918
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.45
    Shell Resolution(Low) 1.5
    Number of Reflections(R-Free) 279
    Number of Reflections(R-Work) 5129
    R-Factor(R-Work) 0.2862
    R-Factor(R-Free) 0.299
    Percent Reflections(Observed) 82.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_bond_d 0.004726
    c_angle_deg 1.33364
     
    Coordinate Error
    Luzzati ESD(Observed) 0.18
    Luzzati Sigma A(Observed) 0.12
    Luzzati ESD(R-Free Set) 0.19
    Luzzati Sigma A(R-Free Set) 0.12
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1652
    Nucleic Acid Atoms 418
    Heterogen Atoms 27
    Solvent Atoms 255
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution SOLVE
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building SOLVE