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X-RAY DIFFRACTION
Materials and Methods page
3OQA
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 295.0
    Details 0.3-1.0M sodium chloride in the pH range 5.5-7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 45.14 α = 90
    b = 45.14 β = 90
    c = 102.71 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS HTC
    Details HighRes2 mirror system
    Collection Date 2004-03-22
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU FR-D
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.25
    Resolution(Low) 27.28
    Number Reflections(Observed) 5466
    Redundancy 6.4
     
    High Resolution Shell Details
    Resolution(High) 2.25
    Mean I Over Sigma(Observed) 4.8
    R-Sym I(Observed) 0.371
    Redundancy 6.5
    Number Unique Reflections(All) 764
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.25
    Resolution(Low) 20.0
    Number of Reflections(Observed) 5196
    Number of Reflections(R-Free) 243
    Percent Reflections(Observed) 99.58
    R-Factor(Observed) 0.20396
    R-Work 0.20228
    R-Free 0.23778
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 28.434
    Anisotropic B[1][1] 0.05
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.05
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.1
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.25
    Shell Resolution(Low) 2.308
    Number of Reflections(R-Free) 17
    Number of Reflections(R-Work) 357
    R-Factor(R-Work) 0.271
    R-Factor(R-Free) 0.414
    Percent Reflections(Observed) 99.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.409
    r_scbond_it 2.608
    r_mcangle_it 1.867
    r_mcbond_it 1.37
    r_symmetry_hbond_refined 0.214
    r_bond_refined_d 0.019
    r_angle_refined_deg 1.826
    r_dihedral_angle_1_deg 7.08
    r_dihedral_angle_2_deg 42.923
    r_dihedral_angle_3_deg 16.793
    r_dihedral_angle_4_deg 7.717
    r_chiral_restr 0.099
    r_gen_planes_refined 0.007
    r_nbd_refined 0.222
    r_nbtor_refined 0.32
    r_xyhbond_nbd_refined 0.145
    r_symmetry_vdw_refined 0.251
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 755
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 55
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CrystalClear
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building MOLREP
    data collection CrystalClear