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X-RAY DIFFRACTION
Materials and Methods page
4IQ1
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 5.5
    Temperature 294.0
    Details 0.1M BIS-TRIS, PH 5.5, 0.2M LITHIUM SULFATE, 25% PEG3350, VAPOR DIFFUSION, SITTING DROP, temperature 294K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 66.02 α = 90
    b = 81.78 β = 90
    c = 288.65 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type RAYONIX MX225HE
    Details MIRRORS
    Collection Date 2012-12-08
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 31-ID
    Wavelength List 0.9793
    Site APS
    Beamline 31-ID
     
     
  •   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) 61400
    Number Reflections(Observed) 61400
    Percent Possible(Observed) 91.3
    B(Isotropic) From Wilson Plot 27.01
    Redundancy 6.1
     
    High Resolution Shell Details
    Resolution(High) 1.85
    Resolution(Low) 1.88
    Percent Possible(All) 93.2
    R Merge I(Observed) 0.86
    Mean I Over Sigma(Observed) 2.4
    Redundancy 6.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.85
    Resolution(Low) 37.66
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 59436
    Number of Reflections(Observed) 59436
    Number of Reflections(R-Free) 1882
    Percent Reflections(Observed) 91.24
    R-Factor(All) 0.1762
    R-Factor(Observed) 0.17627
    R-Work 0.17398
    R-Free 0.24701
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 38.033
    Anisotropic B[1][1] 0.5
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.4
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.1
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.85
    Shell Resolution(Low) 1.898
    Number of Reflections(R-Free) 142
    Number of Reflections(R-Work) 4398
    R-Factor(R-Work) 0.24
    R-Factor(R-Free) 0.451
    Percent Reflections(Observed) 93.05
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 21.327
    r_sphericity_free 23.124
    r_rigid_bond_restr 4.272
    r_gen_planes_refined 0.006
    r_chiral_restr 0.098
    r_dihedral_angle_4_deg 20.424
    r_dihedral_angle_3_deg 15.494
    r_dihedral_angle_2_deg 39.279
    r_dihedral_angle_1_deg 5.7
    r_angle_refined_deg 1.333
    r_bond_refined_d 0.011
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 5050
    Nucleic Acid Atoms 0
    Heterogen Atoms 8
    Solvent Atoms 382
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-3000
    Data Reduction (intensity integration) HKL-3000
    Data Reduction (data scaling) HKL-3000
    Structure Solution PHASER
    Structure Refinement REFMAC 5.7.0025
     
    Software
    refinement REFMAC version: 5.7.0025
    model building PHASER
    data collection HKL-3000