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X-RAY DIFFRACTION
Materials and Methods page
4DXP
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 298.0
    Details 0.07M tris-HCl, 0.1M magnesium sulfate, 14% PEG 4000, 15% glycerol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 49.04 α = 90
    b = 79.18 β = 90
    c = 118.04 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
    Type ADSC QUANTUM 315
    Collection Date 2010-03-30
     
    Diffraction Radiation
    Monochromator SAGITALLY FOCUSED Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 19-ID
    Wavelength List 0.9792
    Site APS
    Beamline 19-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 3.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.75
    Resolution(Low) 34.05
    Number Reflections(All) 84219
    Number Reflections(Observed) 23358
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.082
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 1.75
    Resolution(Low) 1.84
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.381
    Mean I Over Sigma(Observed) 2.3
    Redundancy 3.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.75
    Resolution(Low) 34.05
    Number of Reflections(Observed) 22027
    Number of Reflections(R-Free) 1198
    Percent Reflections(Observed) 98.37
    R-Factor(Observed) 0.17331
    R-Work 0.17061
    R-Free 0.2258
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 20.833
    Anisotropic B[1][1] 0.02
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.21
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.22
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.75
    Shell Resolution(Low) 1.795
    Number of Reflections(R-Free) 90
    Number of Reflections(R-Work) 1625
    R-Factor(R-Work) 0.294
    R-Factor(R-Free) 0.321
    Percent Reflections(Observed) 99.71
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 2.609
    r_sphericity_free 4.699
    r_rigid_bond_restr 1.673
    r_scangle_it 4.51
    r_scbond_it 2.961
    r_mcangle_it 2.111
    r_mcbond_other 0.527
    r_mcbond_it 1.292
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.008
    r_chiral_restr 0.102
    r_dihedral_angle_4_deg 10.499
    r_dihedral_angle_3_deg 12.936
    r_dihedral_angle_2_deg 33.649
    r_dihedral_angle_1_deg 6.546
    r_angle_other_deg 0.841
    r_angle_refined_deg 1.629
    r_bond_other_d 0.001
    r_bond_refined_d 0.016
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1756
    Nucleic Acid Atoms 0
    Heterogen Atoms 2
    Solvent Atoms 166
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-3000
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0110
     
    Software
    refinement REFMAC version: 5.5.0110
    model building PHASER
    data collection HKL-3000