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X-RAY DIFFRACTION
Materials and Methods page
4IW1
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.4
    Temperature 298.0
    Details 25%-30% PEG 3350, 50mM potassium phosphate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 58.36 α = 90
    b = 87.99 β = 102.7
    c = 59.35 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 210
    Collection Date 2011-12-10
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 17-ID
    Site APS
    Beamline 17-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.56
    Resolution(Low) 50
    Number Reflections(All) 18509
    Number Reflections(Observed) 18509
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.56
    Resolution(Low) 48.41
    Number of Reflections(all) 18509
    Number of Reflections(Observed) 17539
    Number of Reflections(R-Free) 954
    Percent Reflections(Observed) 97.0
    R-Factor(Observed) 0.24341
    R-Work 0.23917
    R-Free 0.31537
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 60.638
    Anisotropic B[1][1] 3.38
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 2.57
    Anisotropic B[2][2] -2.67
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.18
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.555
    Shell Resolution(Low) 2.621
    Number of Reflections(R-Free) 66
    Number of Reflections(R-Work) 1195
    R-Factor(R-Work) 0.338
    R-Factor(R-Free) 0.466
    Percent Reflections(Observed) 91.91
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scbond_it 6.464
    r_mcangle_it 8.003
    r_mcbond_it 5.427
    r_gen_planes_refined 0.007
    r_chiral_restr 0.115
    r_dihedral_angle_4_deg 21.102
    r_dihedral_angle_3_deg 19.898
    r_dihedral_angle_2_deg 39.95
    r_dihedral_angle_1_deg 6.744
    r_angle_refined_deg 1.692
    r_bond_refined_d 0.012
     
    Coordinate Error
    Luzzati ESD(Observed) 0.38
    Luzzati Sigma A(Observed) 0.42
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.36
    Luzzati Sigma A(R-Free Set) 0.37
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4280
    Nucleic Acid Atoms 0
    Heterogen Atoms 29
    Solvent Atoms 3
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution CNS
    Structure Refinement REFMAC 5.7.0032
     
    Software
    refinement CNS version: 1.3