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X-RAY DIFFRACTION
Materials and Methods page
2B5E
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 277.0
    Details sodium cacodylate, magnesium chloride, PEG 2000 MME, barium chloride, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 136.56 α = 90
    b = 136.56 β = 90
    c = 69.52 γ = 90
     
    Space Group
    Space Group Name:    I 4
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Collection Date 2005-01-25
     
    Diffraction Radiation
    Monochromator 1.1
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X25
    Wavelength List 1.1
    Site NSLS
    Beamline X25
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.4
    Resolution(Low) 50
    Number Reflections(Observed) 24847
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.4
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 23557
    Number of Reflections(R-Free) 1246
    Percent Reflections(Observed) 98.7
    R-Factor(All) 0.193
    R-Work 0.191
    R-Free 0.246
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 66.965
    Anisotropic B[1][1] -1.75
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -1.75
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 3.5
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.4
    Shell Resolution(Low) 2.461
    Number of Reflections(R-Free) 89
    Number of Reflections(R-Work) 1623
    R-Factor(R-Work) 0.273
    R-Factor(R-Free) 0.317
    Percent Reflections(Observed) 96.07
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.7
    r_nbd_refined 0.223
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.006
    r_chiral_restr 0.097
    r_dihedral_angle_4_deg 19.371
    r_dihedral_angle_3_deg 18.08
    r_dihedral_angle_2_deg 37.729
    r_dihedral_angle_1_deg 8.219
    r_angle_other_deg 0.883
    r_angle_refined_deg 1.624
    r_bond_other_d 0.002
    r_bond_refined_d 0.017
    r_nbd_other 0.186
    r_nbtor_refined 0.186
    r_nbtor_other 0.091
    r_xyhbond_nbd_refined 0.231
    r_xyhbond_nbd_other 0.29
    r_symmetry_vdw_refined 0.224
    r_symmetry_vdw_other 0.234
    r_symmetry_hbond_refined 0.264
    r_mcbond_it 0.854
    r_mcbond_other 0.145
    r_mcangle_it 1.093
    r_scbond_it 1.758
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3820
    Nucleic Acid Atoms 0
    Heterogen Atoms 13
    Solvent Atoms 138
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2.0005
     
    Software
    data extraction pdb_extract version: 1.700
    refinement REFMAC5 version: 5.2.0005