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X-RAY DIFFRACTION
Materials and Methods page
3LKU
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.5
    Temperature 298.0
    Details 17% PEG 6000, 0.1M Bis-Tris, 0.14M Ammonium sulfate, 0.01M L-proline, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 108.73 α = 90
    b = 108.73 β = 90
    c = 169.81 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 325 mm CCD
    Collection Date 2010-01-07
     
    Diffraction Radiation
    Monochromator DOUBLE CRYSTAL
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL9-2
    Wavelength List 0.97862
    Site SSRL
    Beamline BL9-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.8
    Resolution(Low) 29.44
    Number Reflections(All) 29224
    Number Reflections(Observed) 29191
    Percent Possible(Observed) 99.9
    R Merge I(Observed) 0.104
    B(Isotropic) From Wilson Plot 57.0
    Redundancy 12.1
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.95
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.5
    Mean I Over Sigma(Observed) 4.7
    Redundancy 11.7
    Number Unique Reflections(All) 4190
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 2.8
    Resolution(Low) 28.8
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 29224
    Number of Reflections(Observed) 29186
    Number of Reflections(R-Free) 1464
    Percent Reflections(Observed) 99.99
    R-Factor(All) 0.18436
    R-Factor(Observed) 0.18436
    R-Work 0.18221
    R-Free 0.22571
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 50.602
    Anisotropic B[1][1] 1.98
    Anisotropic B[1][2] 0.99
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 1.98
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -2.97
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.872
    Number of Reflections(Observed) 2111
    Number of Reflections(R-Free) 105
    Number of Reflections(R-Work) 2006
    R-Factor(R-Work) 0.252
    R-Factor(R-Free) 0.281
    Percent Reflections(Observed) 99.95
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_gen_planes_refined 0.006
    r_chiral_restr 0.111
    r_dihedral_angle_4_deg 18.42
    r_dihedral_angle_3_deg 16.847
    r_dihedral_angle_2_deg 39.805
    r_dihedral_angle_1_deg 5.373
    r_angle_refined_deg 1.517
    r_bond_refined_d 0.015
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8439
    Nucleic Acid Atoms 0
    Heterogen Atoms 16
    Solvent Atoms 84
     
     
  •   Software and Computing Hide
    Computing
    Data Collection BLU-ICE
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XDS
    Structure Solution SOLVE
    Structure Refinement REFMAC 5.6.0050
     
    Software
    refinement REFMAC version: 5.6.0050
    model building SOLVE
    data collection BLU-ICE