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X-RAY DIFFRACTION
Materials and Methods page
4IKO
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 298.0
    Details 0.2M HEPES buffer, 25% PEG 10000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 34.56 α = 90
    b = 58.22 β = 90
    c = 109.25 γ = 90
     
    Space Group
    Space Group Name:    P 21 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 77
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Details MIRROR
    Collection Date 2012-05-05
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM14
    Wavelength List 0.97
    Site ESRF
    Beamline BM14
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.9
    Resolution(Low) 58.22
    Number Reflections(All) 18051
    Number Reflections(Observed) 18051
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.1
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 2.0
    Percent Possible(All) 99.6
    R Merge I(Observed) 0.537
    Mean I Over Sigma(Observed) 4.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.9
    Resolution(Low) 58.22
    Number of Reflections(all) 18051
    Number of Reflections(Observed) 17095
    Number of Reflections(R-Free) 919
    Percent Reflections(Observed) 99.55
    R-Factor(All) 0.16932
    R-Factor(Observed) 0.16736
    R-Work 0.15551
    R-Free 0.19226
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 23.587
    Anisotropic B[1][1] -1.46
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.92
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.46
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 1.949
    Number of Reflections(R-Free) 76
    Number of Reflections(R-Work) 1226
    R-Factor(R-Work) 0.205
    R-Factor(R-Free) 0.236
    Percent Reflections(Observed) 98.86
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 5.968
    r_scbond_it 3.883
    r_mcangle_it 2.465
    r_mcbond_it 1.503
    r_gen_planes_refined 0.013
    r_chiral_restr 0.193
    r_dihedral_angle_4_deg 13.469
    r_dihedral_angle_3_deg 15.08
    r_dihedral_angle_2_deg 32.602
    r_dihedral_angle_1_deg 5.938
    r_angle_refined_deg 1.822
    r_bond_refined_d 0.016
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1476
    Nucleic Acid Atoms 0
    Heterogen Atoms 44
    Solvent Atoms 206
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMoRE
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building AMoRE
    data collection HKL-2000