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X-RAY DIFFRACTION
Materials and Methods page
3KW4
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.5
    Temperature 291.0
    Details 20% (w/v) PEG 8000, 0.2 M MgCl2 and 0.1 M Tris, pH 8.5, vapor diffusion, sitting drop, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 93.5 α = 90
    b = 93.5 β = 90
    c = 137.07 γ = 120
     
    Space Group
    Space Group Name:    P 32 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 325 mm CCD
    Collection Date 2009-08-08
     
    Diffraction Radiation
    Monochromator SI(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL11-1
    Wavelength 0.98
    Site SSRL
    Beamline BL11-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.67
    Resolution(Low) 80.97
    Number Reflections(Observed) 20223
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.101
    Redundancy 7.2
     
    High Resolution Shell Details
    Resolution(High) 2.67
    Resolution(Low) 2.81
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.416
    Mean I Over Sigma(Observed) 1.7
    R-Sym I(Observed) 0.416
    Redundancy 7.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.67
    Resolution(Low) 68.54
    Number of Reflections(all) 24605
    Number of Reflections(Observed) 19135
    Number of Reflections(R-Free) 1028
    Percent Reflections(Observed) 99.6
    R-Factor(Observed) 0.198
    R-Work 0.195
    R-Free 0.253
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 67.3
    Anisotropic B[1][1] -5.735
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -5.735
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 11.47
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.67
    Shell Resolution(Low) 2.74
    Number of Reflections(R-Free) 74
    Number of Reflections(R-Work) 1387
    R-Factor(R-Work) 0.373
    R-Factor(R-Free) 0.399
    Percent Reflections(Observed) 99.52
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.317
    r_scbond_it 2.554
    r_mcangle_it 1.736
    r_mcbond_it 0.897
    r_gen_planes_refined 0.011
    r_chiral_restr 0.084
    r_dihedral_angle_4_deg 22.894
    r_dihedral_angle_3_deg 18.074
    r_dihedral_angle_2_deg 33.84
    r_dihedral_angle_1_deg 5.844
    r_angle_refined_deg 1.406
    r_bond_refined_d 0.01
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3693
    Nucleic Acid Atoms 0
    Heterogen Atoms 208
    Solvent Atoms 31
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0072
     
    Software
    data extraction pdb_extract version: 3.005
    refinement REFMAC5
    molecular replacement Phaser version: 1.3.3
    data processing SCALA version: 3.2.25