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X-RAY DIFFRACTION
Materials and Methods page
3U20
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    Temperature 298.0
    Details 2.0-2.3 M ammonium sulfate, 0.2 M sodium chloride, 0.1 M sodium cacodylate, pH 6.0-6.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 88.02 α = 90
    b = 105.75 β = 90
    c = 206.38 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315r
    Collection Date 2010-12-03
     
    Diffraction Radiation
    Monochromator Double crystal Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.1
    Wavelength List 1.00
    Site ALS
    Beamline 8.2.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.49
    Resolution(Low) 50
    Number Reflections(Observed) 67803
    Percent Possible(Observed) 100.0
    R Merge I(Observed) 0.16
    Redundancy 7.3
     
    High Resolution Shell Details
    Resolution(High) 2.49
    Resolution(Low) 2.54
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.852
    Redundancy 7.4
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.49
    Resolution(Low) 30.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 67503
    Number of Reflections(R-Free) 3427
    Percent Reflections(Observed) 99.4
    R-Factor(Observed) 0.186
    R-Work 0.185
    R-Free 0.215
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 51.41
    Anisotropic B[1][1] 2.61
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.32
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.29
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.49
    Shell Resolution(Low) 2.56
    Number of Reflections(R-Free) 230
    Number of Reflections(R-Work) 4228
    R-Factor(R-Work) 0.252
    R-Factor(R-Free) 0.286
    Percent Reflections(Observed) 96.54
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.203
    r_scbond_it 1.298
    r_mcangle_it 0.861
    r_mcbond_other 0.068
    r_mcbond_it 0.436
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.004
    r_chiral_restr 0.064
    r_dihedral_angle_4_deg 13.984
    r_dihedral_angle_3_deg 13.671
    r_dihedral_angle_2_deg 36.271
    r_dihedral_angle_1_deg 5.564
    r_angle_other_deg 0.828
    r_angle_refined_deg 1.142
    r_bond_other_d 0.001
    r_bond_refined_d 0.007
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8510
    Nucleic Acid Atoms 0
    Heterogen Atoms 108
    Solvent Atoms 427
     
     
  •   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 5.6.0117
     
    Software
    data extraction pdb_extract version: 3.10
    refinement REFMAC5
    molecular replacement Phaser version: 2.1.4
    data reduction HKL