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X-RAY DIFFRACTION
Materials and Methods page
2XCK
  •   Crystallization Hide
    Crystallization Experiments
    Details 2.0 M AMMONIUM SULFATE, 0.1 M TRIS PH 8.5
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 123.11 α = 90
    b = 123.11 β = 90
    c = 47.24 γ = 120
     
    Space Group
    Space Group Name:    P 32 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Collection Date 2007-03-01
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-1
    Wavelength 0.934
    Site ESRF
    Beamline ID14-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.3
    Resolution(Low) 30
    Number Reflections(Observed) 18571
    Percent Possible(Observed) 100.0
    R Merge I(Observed) 0.1
    Redundancy 6.5
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.4
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.51
    Redundancy 6.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method OTHER
    reflnsShellList 2.3
    Resolution(Low) 30.0
    Number of Reflections(Observed) 17604
    Number of Reflections(R-Free) 948
    Percent Reflections(Observed) 99.95
    R-Factor(Observed) 0.19495
    R-Work 0.19261
    R-Free 0.23969
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 28.563
    Anisotropic B[1][1] 0.99
    Anisotropic B[1][2] 0.5
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.99
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.49
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.299
    Shell Resolution(Low) 2.359
    Number of Reflections(R-Free) 76
    Number of Reflections(R-Work) 1288
    R-Factor(R-Work) 0.215
    R-Factor(R-Free) 0.307
    Percent Reflections(Observed) 99.78
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.283
    r_scbond_it 2.842
    r_mcangle_it 1.989
    r_mcbond_it 1.129
    r_nbd_refined 0.225
    r_gen_planes_refined 0.007
    r_chiral_restr 0.117
    r_dihedral_angle_4_deg 19.05
    r_dihedral_angle_3_deg 16.823
    r_dihedral_angle_2_deg 34.223
    r_dihedral_angle_1_deg 7.161
    r_angle_refined_deg 1.701
    r_bond_refined_d 0.018
    r_nbtor_refined 0.312
    r_xyhbond_nbd_refined 0.191
    r_symmetry_vdw_refined 0.513
    r_symmetry_hbond_refined 0.206
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2251
    Nucleic Acid Atoms 0
    Heterogen Atoms 78
    Solvent Atoms 139
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019