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X-RAY DIFFRACTION
Materials and Methods page
4EKC
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.5
    Temperature 277.0
    Details 17% PEG 3350, 200 mM NaCl, and 100 mM MES pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 139.6 α = 90
    b = 124.98 β = 124.13
    c = 97.2 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 110
     
    Diffraction Detector
    Detector CCD
    Type RAYONIX MX-300
    Details Beryllium lenses
    Collection Date 2010-03-18
     
    Diffraction Radiation
    Monochromator Diamond
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 21-ID-G
    Wavelength List 0.9786
    Site APS
    Beamline 21-ID-G
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 7.4
    Resolution(Low) 30
    Number Reflections(All) 1841
    Number Reflections(Observed) 1820
    Percent Possible(Observed) 98.3
     
    High Resolution Shell Details
    Resolution(High) 7.4
    Resolution(Low) 7.53
    Percent Possible(All) 100.0
    Mean I Over Sigma(Observed) 2.5
    R-Sym I(Observed) 0.518
    Redundancy 3.7
    Number Unique Reflections(All) 78
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 7.4
    Resolution(Low) 19.98
    Number of Reflections(all) 1690
    Number of Reflections(Observed) 1690
    Number of Reflections(R-Free) 76
    Percent Reflections(Observed) 93.29
    R-Factor(All) 0.16084
    R-Factor(Observed) 0.16084
    R-Work 0.15796
    R-Free 0.22037
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 121.291
    Anisotropic B[1][1] 0.0
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.0
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 7.4
    Shell Resolution(Low) 7.567
    Number of Reflections(R-Free) 0
    Number of Reflections(R-Work) 89
    R-Factor(R-Work) 0.271
    Percent Reflections(Observed) 88.12
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.004
    r_chiral_restr 0.048
    r_dihedral_angle_4_deg 10.635
    r_dihedral_angle_3_deg 15.446
    r_dihedral_angle_2_deg 36.534
    r_dihedral_angle_1_deg 5.292
    r_angle_other_deg 0.932
    r_angle_refined_deg 0.998
    r_bond_other_d 0.002
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7318
    Nucleic Acid Atoms 0
    Heterogen Atoms 68
    Solvent Atoms 6
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution PHASER
    Structure Refinement REFMAC 5.6.0117
     
    Software
    refinement REFMAC version: 5.6.0117
    model building PHASER