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X-RAY DIFFRACTION
Materials and Methods page
4IR6
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 6.25
    Temperature 277.15
    Details 28% Low Molecular-Weight PEG Smears, 0.1M MES pH 6.25 (Ligand soaking performed in low-molecular-weight PEG smears stabilizing solution), VAPOR DIFFUSION, SITTING DROP, temperature 277.15K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 81.12 α = 90
    b = 96.5 β = 90
    c = 57.76 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 IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 2011-11-05
     
    Diffraction Radiation
    Monochromator Flat graphite crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU FR-E SUPERBRIGHT
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.8
    Resolution(Low) 27.35
    Number Reflections(All) 21388
    Number Reflections(Observed) 21365
    Percent Possible(Observed) 100.0
    B(Isotropic) From Wilson Plot 27.7
    Redundancy 5.0
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.9
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.581
    Mean I Over Sigma(Observed) 2.1
    Redundancy 5.0
    Number Unique Reflections(All) 3070
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.8
    Resolution(Low) 26.19
    Cut-off Sigma(I) 2.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 21365
    Number of Reflections(Observed) 20266
    Number of Reflections(R-Free) 1098
    Percent Reflections(Observed) 99.89
    R-Factor(Observed) 0.17752
    R-Work 0.1755
    R-Free 0.21639
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 31.405
    Anisotropic B[1][1] 1.54
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.19
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.72
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.8
    Shell Resolution(Low) 1.847
    Number of Reflections(R-Free) 81
    Number of Reflections(R-Work) 1460
    R-Factor(R-Work) 0.316
    R-Factor(R-Free) 0.35
    Percent Reflections(Observed) 99.74
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.009
    r_chiral_restr 0.091
    r_dihedral_angle_4_deg 18.457
    r_dihedral_angle_3_deg 12.985
    r_dihedral_angle_2_deg 36.687
    r_dihedral_angle_1_deg 5.622
    r_angle_other_deg 0.816
    r_angle_refined_deg 1.501
    r_bond_other_d 0.002
    r_bond_refined_d 0.016
     
    Coordinate Error
    Luzzati ESD(Observed) 0.213
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 939
    Nucleic Acid Atoms 0
    Heterogen Atoms 53
    Solvent Atoms 214
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CrystalClear
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement REFMAC 5.7.0032
     
    Software
    refinement REFMAC version: 5.7.0032
    model building PHASER
    data collection CrystalClear