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X-RAY DIFFRACTION
Materials and Methods page
2ITL
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.5
    Temperature 297.0
    Details 20 mM di-ammonium hydrogen citrate, 20% PEG 3000, and 10 mM MgCl2, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 297K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 83.2 α = 90
    b = 64.1 β = 120.69
    c = 79.18 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2005-05-08
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type CHESS BEAMLINE F1
    Wavelength List 0.9176
    Site CHESS
    Beamline F1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.65
    Resolution(Low) 40
    Number Reflections(All) 42961
    Number Reflections(Observed) 42961
    Percent Possible(Observed) 99.6
    Redundancy 3.6
     
    High Resolution Shell Details
    Resolution(High) 1.65
    Resolution(Low) 1.71
    Percent Possible(All) 97.7
    R-Sym I(Observed) 0.213
    Number Unique Reflections(All) 4204
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.65
    Resolution(Low) 40.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 40799
    Number of Reflections(R-Free) 2161
    Percent Reflections(Observed) 99.57
    R-Factor(Observed) 0.20378
    R-Work 0.2013
    R-Free 0.25061
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 35.282
    Anisotropic B[1][1] 0.04
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.28
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.23
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.65
    Shell Resolution(Low) 1.693
    Number of Reflections(R-Free) 170
    Number of Reflections(R-Work) 2925
    R-Factor(R-Work) 0.25
    R-Factor(R-Free) 0.282
    Percent Reflections(Observed) 97.02
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 4.055
    r_sphericity_free 5.112
    r_rigid_bond_restr 3.012
    r_scangle_it 3.3
    r_scbond_it 2.774
    r_mcangle_it 2.045
    r_mcbond_it 1.263
    r_nbd_refined 0.196
    r_gen_planes_refined 0.008
    r_chiral_restr 0.095
    r_dihedral_angle_4_deg 21.023
    r_dihedral_angle_3_deg 15.159
    r_dihedral_angle_2_deg 30.176
    r_dihedral_angle_1_deg 5.668
    r_angle_refined_deg 1.46
    r_bond_refined_d 0.011
    r_nbtor_refined 0.308
    r_xyhbond_nbd_refined 0.145
    r_symmetry_vdw_refined 0.36
    r_symmetry_hbond_refined 0.168
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1921
    Nucleic Acid Atoms 979
    Heterogen Atoms 0
    Solvent Atoms 307
     
     
  •   Software and Computing Hide
    Computing
    Data Collection SOFTWARE AT CHESS F1
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2
     
    Software
    refinement REFMAC version: 5.2
    model building MOLREP
    data collection CHESS version: F1