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X-RAY DIFFRACTION
Materials and Methods page
3ALX
  •   Crystallization Hide
    Crystallization Experiments
    Method vapor diffusion, floating drop
    pH 8.3
    Temperature 293.0
    Details 0.1M imidazole pH8.3, 0.5M (NH4)2SO4, 0.7M Li2SO4, 0.05M Li(AcO)2, 1% ethylene glycol, vapor diffusion, floating drop, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 187.71 α = 90
    b = 170.07 β = 117.28
    c = 110.68 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Collection Date 2009-10-14
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type PHOTON FACTORY BEAMLINE BL-5A
    Wavelength List 1.00
    Site PHOTON FACTORY
    Beamline BL-5A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3.15
    Resolution(Low) 50
    Number Reflections(All) 55721
    Number Reflections(Observed) 52457
    Percent Possible(Observed) 99.5
    R Merge I(Observed) 0.138
    B(Isotropic) From Wilson Plot 66.4
    Redundancy 4.6
     
    High Resolution Shell Details
    Resolution(High) 3.15
    Resolution(Low) 3.26
    Percent Possible(All) 98.8
    R Merge I(Observed) 0.496
    Mean I Over Sigma(Observed) 2.9
    Redundancy 4.5
    Number Unique Reflections(All) 5246
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 3.15
    Resolution(Low) 19.97
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 52452
    Number of Reflections(R-Free) 2644
    Percent Reflections(Observed) 99.1
    R-Factor(Observed) 0.231
    R-Work 0.231
    R-Free 0.292
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model OVERALL
    Mean Isotropic B Value 70.5
    Anisotropic B[1][1] 14.65
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -18.01
    Anisotropic B[2][2] -2.36
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -12.29
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.15
    Shell Resolution(Low) 3.35
    Number of Reflections(R-Free) 404
    Number of Reflections(R-Work) 7967
    R-Factor(R-Work) 0.305
    R-Factor(R-Free) 0.365
    R-Free Error 0.018
    Percent Reflections(Observed) 94.5
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.96
    c_bond_d 0.009
    c_angle_deg 1.5
    c_dihedral_angle_d 26.1
     
    Coordinate Error
    Luzzati ESD(Observed) 0.38
    Luzzati Sigma A(Observed) 0.53
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.52
    Luzzati Sigma A(R-Free Set) 0.67
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 16229
    Nucleic Acid Atoms 0
    Heterogen Atoms 84
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution PHASER
    Structure Refinement CNS 1.3
     
    Software
    refinement CNS version: 1.3
    model building PHASER
    data collection ADSC version: Quantum