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X-RAY DIFFRACTION
Materials and Methods page
4EAC
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 8.5
    Temperature 287.0
    Details 25% PEG 3350, 0.1M Tris-HCl,0.1M magnesium chloride hexahydrate , pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 287.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 158.96 α = 90
    b = 238.46 β = 90
    c = 54.35 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MX-225 CCD
    Collection Date 2010-06-23
     
    Diffraction Radiation
    Monochromator Si(111) double crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRF BEAMLINE BL17U
    Wavelength List 0.97916
    Site SSRF
    Beamline BL17U
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 3.7
    Observed Criterion Sigma(I) 3.7
    Resolution(High) 2.3
    Resolution(Low) 132.27
    Number Reflections(All) 92475
    Number Reflections(Observed) 92475
    Percent Possible(Observed) 99.7
     
    High Resolution Shell Details
    Resolution(High) 2.3
    Resolution(Low) 2.34
    Percent Possible(All) 95.7
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.3
    Resolution(Low) 48.42
    Cut-off Sigma(F) 3.7
    Number of Reflections(all) 92475
    Number of Reflections(Observed) 92475
    Number of Reflections(R-Free) 4630
    Percent Reflections(Observed) 99.78
    R-Factor(All) 0.1847
    R-Factor(Observed) 0.1847
    R-Work 0.18291
    R-Free 0.21863
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 29.102
    Anisotropic B[1][1] 1.5
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.36
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.14
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.303
    Shell Resolution(Low) 2.363
    Number of Reflections(R-Free) 352
    Number of Reflections(R-Work) 6306
    R-Factor(R-Work) 0.198
    R-Factor(R-Free) 0.254
    Percent Reflections(Observed) 97.98
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.06
    r_scbond_it 1.217
    r_mcangle_it 0.777
    r_mcbond_it 0.402
    r_gen_planes_refined 0.004
    r_chiral_restr 0.079
    r_dihedral_angle_4_deg 16.496
    r_dihedral_angle_3_deg 14.446
    r_dihedral_angle_2_deg 33.654
    r_dihedral_angle_1_deg 6.127
    r_angle_refined_deg 1.144
    r_bond_refined_d 0.008
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 12594
    Nucleic Acid Atoms 0
    Heterogen Atoms 8
    Solvent Atoms 889
     
     
  •   Software and Computing Hide
    Computing
    Data Collection MAR dtb
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0072
     
    Software
    refinement REFMAC version: 5.5.0072
    model building PHASER
    data collection MAR version: dtb