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X-RAY DIFFRACTION
Materials and Methods page
4E48
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 4
    Temperature 291.0
    Details 1.6 mM ammonium sulfate, 0.1 M citric acid, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 43.64 α = 90
    b = 43.64 β = 90
    c = 158.56 γ = 120
     
    Space Group
    Space Group Name:    P 3 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MAR scanner 345 mm plate
    Collection Date 2008-03-17
     
    Diffraction Radiation
    Monochromator osmic mirror
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type Cu FINE FOCUS
    Wavelength List 1.54
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.0
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 2.5
    Resolution(Low) 20
    Number Reflections(All) 6607
    Number Reflections(Observed) 6468
    Percent Possible(Observed) 98.3
    R Merge I(Observed) 0.103
    Redundancy 6.6
     
    High Resolution Shell Details
    Resolution(High) 2.5
    Resolution(Low) 2.59
    Percent Possible(All) 92.4
    R Merge I(Observed) 0.476
    Mean I Over Sigma(Observed) 2.3
    Redundancy 3.3
    Number Unique Reflections(All) 175
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.5
    Resolution(Low) 15.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 6442
    Number of Reflections(R-Free) 307
    Percent Reflections(Observed) 98.29
    R-Factor(Observed) 0.2067
    R-Work 0.2033
    R-Free 0.2793
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 24.9698
    Anisotropic B[1][1] 0.78
    Anisotropic B[1][2] 0.39
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.78
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.17
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.5
    Shell Resolution(Low) 2.565
    Number of Reflections(R-Free) 31
    Number of Reflections(R-Work) 402
    R-Factor(R-Work) 0.284
    R-Factor(R-Free) 0.44
    Percent Reflections(Observed) 91.74
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 1.341
    r_scbond_it 0.908
    r_symmetry_hbond_refined 0.164
    r_symmetry_vdw_other 0.277
    r_symmetry_vdw_refined 0.224
    r_bond_refined_d 0.007
    r_bond_other_d 0.003
    r_angle_refined_deg 1.553
    r_angle_other_deg 1.015
    r_chiral_restr 0.05
    r_gen_planes_refined 0.004
    r_gen_planes_other 0.001
    r_nbd_refined 0.124
    r_nbd_other 0.23
    r_nbtor_refined 0.225
    r_nbtor_other 0.066
    r_xyhbond_nbd_refined 0.163
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 0
    Nucleic Acid Atoms 1266
    Heterogen Atoms 27
    Solvent Atoms 94
     
     
  •   Software and Computing Hide
    Computing
    Data Collection PROTEUM PLUS
    Data Reduction (intensity integration) HKL
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMoRE
    Structure Refinement REFMAC 5.2.0019
     
    Software
    data extraction pdb_extract version: 3.10
    refinement REFMAC5 version: 5.2.0019