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X-RAY DIFFRACTION
Materials and Methods page
4ALU
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.2
    Details pH 7.2
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 97.16 α = 90
    b = 97.16 β = 90
    c = 81.05 γ = 120
     
    Space Group
    Space Group Name:    P 65
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 155
     
    Diffraction Detector
    Detector IMAGE PLATE (RAXIS-IV)
    Type RIGAKU
    Details MIRRORS
    Collection Date 2006-10-13
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU MM-007
    Wavelength 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.6
    Resolution(Low) 26.51
    Number Reflections(Observed) 12791
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.1
    Redundancy 6.16
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 3.08
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.22
    Mean I Over Sigma(Observed) 3.25
    Redundancy 6.15
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.6
    Resolution(Low) 26.51
    Number of Reflections(Observed) 12791
    Number of Reflections(R-Free) 679
    Percent Reflections(Observed) 99.84
    R-Factor(Observed) 0.18391
    R-Work 0.18055
    R-Free 0.24759
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 28.165
    Anisotropic B[1][1] 0.02
    Anisotropic B[1][2] 0.01
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.02
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.03
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.667
    Number of Reflections(R-Free) 49
    Number of Reflections(R-Work) 946
    R-Factor(R-Work) 0.23
    R-Factor(R-Free) 0.298
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.797
    r_scbond_it 2.392
    r_mcangle_it 1.805
    r_mcbond_it 1.027
    r_nbd_refined 0.243
    r_gen_planes_refined 0.006
    r_chiral_restr 0.115
    r_dihedral_angle_4_deg 21.187
    r_dihedral_angle_3_deg 18.053
    r_dihedral_angle_2_deg 33.44
    r_dihedral_angle_1_deg 7.252
    r_angle_refined_deg 1.78
    r_bond_refined_d 0.019
    r_nbtor_refined 0.337
    r_xyhbond_nbd_refined 0.166
    r_symmetry_vdw_refined 0.176
    r_symmetry_hbond_refined 0.201
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2225
    Nucleic Acid Atoms 0
    Heterogen Atoms 27
    Solvent Atoms 91
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building PHASER