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X-RAY DIFFRACTION
Materials and Methods page
4IQG
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.2
    Temperature 289.0
    Details 0.15 M sodium formate, 20% PEG 3350, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 289K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 68.14 α = 90
    b = 97.71 β = 97.32
    c = 70.67 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 MARMOSAIC 225 mm CCD
    Details beryllium lens
    Collection Date 2012-11-10
     
    Diffraction Radiation
    Monochromator C(111) diamond laue monochromator
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 21-ID-F
    Wavelength List 0.97872
    Site APS
    Beamline 21-ID-F
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.85
    Resolution(Low) 50
    Number Reflections(All) 78447
    Number Reflections(Observed) 78447
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.082
    Redundancy 3.8
     
    High Resolution Shell Details
    Resolution(High) 1.85
    Resolution(Low) 1.88
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.683
    Redundancy 3.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.85
    Resolution(Low) 40.11
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 74288
    Number of Reflections(Observed) 74288
    Number of Reflections(R-Free) 3936
    Percent Reflections(Observed) 99.86
    R-Factor(All) 0.14971
    R-Factor(Observed) 0.14971
    R-Work 0.14845
    R-Free 0.17304
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 30.652
    Anisotropic B[1][1] 1.41
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 1.02
    Anisotropic B[2][2] -1.29
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.24
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.85
    Shell Resolution(Low) 1.898
    Number of Reflections(R-Free) 274
    Number of Reflections(R-Work) 5494
    R-Factor(R-Work) 0.216
    R-Factor(R-Free) 0.259
    Percent Reflections(Observed) 99.98
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.006
    r_gen_planes_refined 0.01
    r_chiral_restr 0.111
    r_dihedral_angle_4_deg 17.153
    r_dihedral_angle_3_deg 11.033
    r_dihedral_angle_2_deg 36.904
    r_dihedral_angle_1_deg 5.981
    r_angle_other_deg 1.522
    r_angle_refined_deg 1.88
    r_bond_other_d 0.009
    r_bond_refined_d 0.018
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7048
    Nucleic Acid Atoms 0
    Heterogen Atoms 232
    Solvent Atoms 568
     
     
  •   Software and Computing Hide
    Computing
    Data Collection LS-CAT modified MD-2
    Data Reduction (intensity integration) HKL-3000
    Data Reduction (data scaling) HKL-3000
    Structure Solution HKL-3000,MOLREP
    Structure Refinement REFMAC 5.7.0029
     
    Software
    refinement HKL-3000
    refinement COOT
    refinement REFMAC version: 5.7.0029
    model building MOLREP
    model building HKL-3000
    data collection LS-CAT version: modified MD-2