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X-RAY DIFFRACTION
Materials and Methods page
2H8L
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 293.0
    Details 30% PEG 3350, 0.1M ammonium sulphate, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 76.34 α = 90
    b = 62.42 β = 98.4
    c = 99.29 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2005-06-10
     
    Diffraction Radiation
    Monochromator Si (111) double-crystal
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X8C
    Wavelength List 0.9795, 0.9950
    Site NSLS
    Beamline X8C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 14.0
    Observed Criterion Sigma(I) 2.6
    Resolution(High) 2
    Resolution(Low) 50
    Number Reflections(Observed) 62742
    Percent Possible(Observed) 99.4
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 96.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 2.0
    Resolution(Low) 32.7
    Cut-off Sigma(F) 1.0
    Number of Reflections(all) 59353
    Number of Reflections(Observed) 59353
    Number of Reflections(R-Free) 3162
    Percent Reflections(Observed) 99.64
    R-Factor(Observed) 0.19709
    R-Work 0.19426
    R-Free 0.25015
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 43.093
    Anisotropic B[1][1] -0.83
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.14
    Anisotropic B[2][2] -0.44
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.23
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.052
    Number of Reflections(Observed) 4194
    Number of Reflections(R-Free) 250
    Number of Reflections(R-Work) 4194
    R-Factor(R-Work) 0.271
    R-Factor(R-Free) 0.327
    Percent Reflections(Observed) 96.17
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.217
    r_scbond_it 3.013
    r_mcangle_it 1.697
    r_mcbond_it 1.351
    r_symmetry_hbond_refined 0.268
    r_bond_refined_d 0.025
    r_angle_refined_deg 1.932
    r_dihedral_angle_1_deg 6.741
    r_dihedral_angle_2_deg 35.851
    r_dihedral_angle_3_deg 17.156
    r_dihedral_angle_4_deg 19.248
    r_chiral_restr 0.143
    r_gen_planes_refined 0.009
    r_nbd_refined 0.215
    r_nbtor_refined 0.308
    r_xyhbond_nbd_refined 0.157
    r_symmetry_vdw_refined 0.307
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 5634
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 453
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) ADSC
    Data Reduction (data scaling) HKL-2000
    Structure Solution SHELXS
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005