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X-RAY DIFFRACTION
Materials and Methods page
3U53
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.6
    Temperature 277.0
    Details 0.1M Sodium citrate tribasic dihydrate, 1.2M Lithium sulfate, 0.2M Ammonium sulfate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 72.49 α = 90
    b = 72.49 β = 90
    c = 133.49 γ = 90
     
    Space Group
    Space Group Name:    P 43
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MAR CCD 165 mm
    Collection Date 2007-07-06
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type BSRF BEAMLINE 3W1A
    Wavelength List 1.0000
    Site BSRF
    Beamline 3W1A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 2.6
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.7
    Resolution(Low) 50
    Number Reflections(All) 18871
    Number Reflections(Observed) 17881
    R Merge I(Observed) 0.0983
    Redundancy 7.7
     
    High Resolution Shell Details
    Resolution(High) 2.705
    Resolution(Low) 2.775
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.3756
    Mean I Over Sigma(Observed) 2.5
    Number Unique Reflections(All) 1312
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.705
    Resolution(Low) 30.0
    Number of Reflections(all) 18867
    Number of Reflections(Observed) 17881
    Number of Reflections(R-Free) 969
    Percent Reflections(Observed) 99.99
    R-Factor(Observed) 0.21654
    R-Work 0.21297
    R-Free 0.28427
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 55.676
    Anisotropic B[1][1] 1.19
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.19
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -2.39
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.705
    Shell Resolution(Low) 2.775
    Number of Reflections(R-Free) 74
    Number of Reflections(R-Work) 1312
    R-Factor(R-Work) 0.329
    R-Factor(R-Free) 0.336
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 7.546
    r_scbond_it 4.312
    r_mcangle_it 6.587
    r_mcbond_it 4.11
    r_gen_planes_refined 0.01
    r_chiral_restr 0.108
    r_dihedral_angle_4_deg 22.947
    r_dihedral_angle_3_deg 22.274
    r_dihedral_angle_2_deg 37.045
    r_dihedral_angle_1_deg 5.603
    r_angle_refined_deg 1.609
    r_bond_refined_d 0.018
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4539
    Nucleic Acid Atoms 0
    Heterogen Atoms 91
    Solvent Atoms 148
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0110
     
    Software
    refinement REFMAC version: 5.5.0110
    model building PHASER
    data collection HKL-2000