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X-RAY DIFFRACTION
Materials and Methods page
4IQX
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 293.0
    Details 26% PEG 4000, 0.2M magnesium acetate, 6% butyrolactone, 0.1M MES , pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 93.84 α = 90
    b = 93.84 β = 90
    c = 99.87 γ = 120
     
    Space Group
    Space Group Name:    P 32 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type ADSC QUANTUM 315
    Collection Date 2008-08-04
     
    Diffraction Radiation
    Monochromator Si 111 CHANNEL
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength List 0.977
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.5
    Resolution(Low) 100
    Number Reflections(All) 18214
    Number Reflections(Observed) 18047
    Percent Possible(Observed) 99.3
    R Merge I(Observed) 0.078
    B(Isotropic) From Wilson Plot 36.7
    Redundancy 5.2
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.64
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.3
    Mean I Over Sigma(Observed) 5.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 29.36
    Cut-off Sigma(F) 1.0
    Number of Reflections(all) 18214
    Number of Reflections(Observed) 16981
    Number of Reflections(R-Free) 913
    Percent Reflections(Observed) 99.27
    R-Factor(All) 0.2253
    R-Factor(Observed) 0.22341
    R-Work 0.22176
    R-Free 0.25389
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 48.178
    Anisotropic B[1][1] -0.02
    Anisotropic B[1][2] -0.01
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.02
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.03
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.5
    Shell Resolution(Low) 2.565
    Number of Reflections(R-Free) 71
    Number of Reflections(R-Work) 1216
    R-Factor(R-Work) 0.288
    R-Factor(R-Free) 0.306
    Percent Reflections(Observed) 99.92
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 0.641
    r_scbond_it 0.398
    r_mcangle_it 0.374
    r_mcbond_it 0.214
    r_symmetry_hbond_refined 0.119
    r_bond_refined_d 0.006
    r_angle_refined_deg 0.855
    r_dihedral_angle_1_deg 4.281
    r_dihedral_angle_2_deg 32.565
    r_dihedral_angle_3_deg 14.73
    r_dihedral_angle_4_deg 13.775
    r_chiral_restr 0.056
    r_gen_planes_refined 0.002
    r_nbd_refined 0.173
    r_nbtor_refined 0.292
    r_xyhbond_nbd_refined 0.114
    r_symmetry_vdw_refined 0.125
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3677
    Nucleic Acid Atoms 251
    Heterogen Atoms 0
    Solvent Atoms 41
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution REFMAC 5.2.0019
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building REFMAC version: 5.2.0019
    data collection ADSC version: Quantum