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X-RAY DIFFRACTION
Materials and Methods page
4ALW
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.2
    Details pH 7.2
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 97.45 α = 90
    b = 97.45 β = 90
    c = 81 γ = 120
     
    Space Group
    Space Group Name:    P 65
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 155
     
    Diffraction Detector
    Detector CCD (MX-325)
    Type MARRESEARCH
    Collection Date 2007-01-04
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL11-1
    Wavelength 0.97945
    Site SSRL
    Beamline BL11-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.92
    Resolution(Low) 37.42
    Number Reflections(Observed) 33275
    Percent Possible(Observed) 97.9
    R Merge I(Observed) 0.07
    Redundancy 7.4
     
    High Resolution Shell Details
    Resolution(High) 1.92
    Resolution(Low) 2.03
    Percent Possible(All) 95.2
    R Merge I(Observed) 1.28
    Mean I Over Sigma(Observed) 1.6
    Redundancy 5.92
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.92
    Resolution(Low) 37.42
    Number of Reflections(Observed) 31220
    Number of Reflections(R-Free) 1670
    Percent Reflections(Observed) 98.32
    R-Factor(Observed) 0.15781
    R-Work 0.15516
    R-Free 0.20731
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 37.685
    Anisotropic B[1][1] 0.0
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.0
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.0
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.92
    Shell Resolution(Low) 1.97
    Number of Reflections(R-Free) 142
    Number of Reflections(R-Work) 2214
    R-Factor(R-Work) 0.368
    R-Factor(R-Free) 0.474
    Percent Reflections(Observed) 96.36
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 6.036
    r_scbond_it 4.345
    r_mcangle_it 2.715
    r_mcbond_it 1.845
    r_nbd_refined 0.236
    r_gen_planes_refined 0.012
    r_chiral_restr 0.191
    r_dihedral_angle_4_deg 17.316
    r_dihedral_angle_3_deg 13.795
    r_dihedral_angle_2_deg 33.585
    r_dihedral_angle_1_deg 6.771
    r_angle_refined_deg 2.238
    r_bond_refined_d 0.031
    r_nbtor_refined 0.32
    r_xyhbond_nbd_refined 0.231
    r_symmetry_vdw_refined 0.213
    r_symmetry_hbond_refined 0.278
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2223
    Nucleic Acid Atoms 0
    Heterogen Atoms 33
    Solvent Atoms 337
     
     
  •   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