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X-RAY DIFFRACTION
Materials and Methods page
4IR5
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 6.5
    Temperature 277.15
    Details 28% Low Molecular-Weight PEG Smears, 0.1M MES pH 6.5 (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 = 82.09 α = 90
    b = 96.52 β = 90
    c = 57.58 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 2011-11-04
     
    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) 1.7
    Resolution(Low) 27.48
    Number Reflections(All) 25305
    Number Reflections(Observed) 25280
    Percent Possible(Observed) 99.2
    R Merge I(Observed) 0.075
    B(Isotropic) From Wilson Plot 27.4
    Redundancy 5.0
     
    High Resolution Shell Details
    Resolution(High) 1.7
    Resolution(Low) 1.79
    Percent Possible(All) 98.1
    R Merge I(Observed) 0.622
    Mean I Over Sigma(Observed) 2.2
    Redundancy 5.0
    Number Unique Reflections(All) 3598
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 27.48
    Cut-off Sigma(I) 2.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 25280
    Number of Reflections(Observed) 23994
    Number of Reflections(R-Free) 1286
    Percent Reflections(Observed) 98.94
    R-Factor(Observed) 0.17223
    R-Work 0.17
    R-Free 0.21376
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 30.58
    Anisotropic B[1][1] 0.79
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.23
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.744
    Number of Reflections(R-Free) 92
    Number of Reflections(R-Work) 1723
    R-Factor(R-Work) 0.408
    R-Factor(R-Free) 0.491
    Percent Reflections(Observed) 97.74
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.009
    r_chiral_restr 0.096
    r_dihedral_angle_4_deg 24.19
    r_dihedral_angle_3_deg 14.476
    r_dihedral_angle_2_deg 34.662
    r_dihedral_angle_1_deg 5.539
    r_angle_other_deg 0.803
    r_angle_refined_deg 1.577
    r_bond_other_d 0.001
    r_bond_refined_d 0.016
     
    Coordinate Error
    Luzzati ESD(Observed) 0.209
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 947
    Nucleic Acid Atoms 0
    Heterogen Atoms 75
    Solvent Atoms 245
     
     
  •   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