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X-RAY DIFFRACTION
Materials and Methods page
2YIQ
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.8
    Details 0.1M HEPES PH 7.8, 0.2M MAGNESIUM NITRATE, 14%W/V PEG 3350, 16%V/V ETHYLENE GLYCOL
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 90.61 α = 90
    b = 90.61 β = 90
    c = 93.56 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 CCD (MX-300)
    Type MARRESEARCH
    Collection Date 2007-10-26
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 22-ID
    Wavelength 1.00
    Site APS
    Beamline 22-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.89
    Resolution(Low) 50
    Number Reflections(Observed) 34829
    Percent Possible(Observed) 97.7
    R Merge I(Observed) 0.09
    Redundancy 5.0
     
    High Resolution Shell Details
    Resolution(High) 1.89
    Resolution(Low) 1.97
    Percent Possible(All) 99.4
    R Merge I(Observed) 0.6
    Mean I Over Sigma(Observed) 4.9
    Redundancy 4.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.89
    Resolution(Low) 50.0
    Number of Reflections(Observed) 33074
    Number of Reflections(R-Free) 1753
    Percent Reflections(Observed) 97.31
    R-Factor(Observed) 0.19927
    R-Work 0.19743
    R-Free 0.23422
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 41.987
    Anisotropic B[1][1] 0.12
    Anisotropic B[1][2] 0.06
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.12
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.18
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.894
    Shell Resolution(Low) 1.943
    Number of Reflections(R-Free) 124
    Number of Reflections(R-Work) 2323
    R-Factor(R-Work) 0.269
    R-Factor(R-Free) 0.267
    Percent Reflections(Observed) 92.62
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.874
    r_scbond_it 2.423
    r_mcangle_it 1.604
    r_mcbond_it 0.904
    r_gen_planes_refined 0.007
    r_chiral_restr 0.099
    r_dihedral_angle_4_deg 18.557
    r_dihedral_angle_3_deg 13.808
    r_dihedral_angle_2_deg 37.902
    r_dihedral_angle_1_deg 5.131
    r_angle_refined_deg 1.402
    r_bond_refined_d 0.015
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2251
    Nucleic Acid Atoms 0
    Heterogen Atoms 32
    Solvent Atoms 223
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL3000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0104
     
    Software
    refinement REFMAC version: 5.5.0104
    model building MOLREP