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X-RAY DIFFRACTION
Materials and Methods page
4IR3
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7
    Temperature 277.15
    Details 18% PEG 1000, 17% glycerol, 0.1M HEPES pH 7.0 (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 = 82.1 α = 90
    b = 96.42 β = 90
    c = 57.71 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 2011-09-23
     
    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) 2
    Resolution(Low) 29.51
    Number Reflections(All) 15860
    Number Reflections(Observed) 15847
    Percent Possible(Observed) 100.0
    R Merge I(Observed) 0.088
    B(Isotropic) From Wilson Plot 33.5
    Redundancy 5.0
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.11
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.673
    Mean I Over Sigma(Observed) 2.2
    Redundancy 5.0
    Number Unique Reflections(All) 2283
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 27.48
    Cut-off Sigma(I) 2.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 15847
    Number of Reflections(Observed) 15057
    Number of Reflections(R-Free) 790
    Percent Reflections(Observed) 99.95
    R-Factor(Observed) 0.21126
    R-Work 0.20953
    R-Free 0.2455
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 39.986
    Anisotropic B[1][1] 1.88
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.82
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.06
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.052
    Number of Reflections(R-Free) 56
    Number of Reflections(R-Work) 1103
    R-Factor(R-Work) 0.273
    R-Factor(R-Free) 0.3
    Percent Reflections(Observed) 100.0
     
    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 18.697
    r_dihedral_angle_3_deg 13.311
    r_dihedral_angle_2_deg 33.492
    r_dihedral_angle_1_deg 6.262
    r_angle_other_deg 0.785
    r_angle_refined_deg 1.593
    r_bond_other_d 0.001
    r_bond_refined_d 0.016
     
    Coordinate Error
    Luzzati ESD(Observed) 0.25
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 937
    Nucleic Acid Atoms 0
    Heterogen Atoms 43
    Solvent Atoms 146
     
     
  •   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