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X-RAY DIFFRACTION
Materials and Methods page
3EM5
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.6
    Temperature 291.0
    Details 0.2M Ammonium Acetate, 0.1M Trisodium Citrate dihydrate, 30%(w/v) Polyethylene glycol 4000, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 87.05 α = 90
    b = 89.72 β = 113.52
    c = 101.45 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MAR CCD 165 mm
    Details MONOCHROMATOR
    Collection Date 2007-01-15
     
    Diffraction Radiation
    Monochromator Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 5ID-B
    Wavelength List 0.97
    Site APS
    Beamline 5ID-B
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.5
    Resolution(Low) 26.2
    Number Reflections(All) 49786
    Number Reflections(Observed) 48093
    Percent Possible(Observed) 96.6
    R Merge I(Observed) 0.083
    B(Isotropic) From Wilson Plot 55.9
    Redundancy 4.0
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.64
    Percent Possible(All) 81.6
    R Merge I(Observed) 0.159
    Redundancy 2.8
    Number Unique Reflections(All) 5881
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 26.2
    Number of Reflections(all) 49786
    Number of Reflections(Observed) 48026
    Number of Reflections(R-Free) 2425
    Percent Reflections(Observed) 96.6
    R-Factor(Observed) 0.238
    R-Work 0.238
    R-Free 0.284
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 42.0
    Anisotropic B[1][1] -0.04
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.79
    Anisotropic B[2][2] 0.78
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.74
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.5
    Shell Resolution(Low) 2.66
    Number of Reflections(Observed) 6489
    Number of Reflections(R-Free) 319
    R-Factor(R-Work) 0.335
    R-Factor(R-Free) 0.365
    R-Free Error 0.02
    Percent Reflections(Observed) 82.7
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.4
    c_bond_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.37
    Luzzati Sigma A(Observed) 0.37
    Luzzati Resolution Cutoff(Low) 5.0
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 9988
    Nucleic Acid Atoms 0
    Heterogen Atoms 172
    Solvent Atoms 47
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement CNS 1.2
     
    Software
    refinement CNS version: 1.2
    model building PHASER
    data collection HKL-2000