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X-RAY DIFFRACTION
Materials and Methods page
1LG6
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.8
    Temperature 293.0
    Details PEG 2000 or 3350, Tris-HCl, BME. Crystals soaked in BME free solution with SCN., pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 66.52 α = 90
    b = 51.31 β = 107.57
    c = 81 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MAC Science DIP-2030H
    Collection Date 1998-01-01
     
    Diffraction Radiation
    Monochromator MIRRORS
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type ENRAF-NONIUS FR591
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.2
    Resolution(Low) 20
    Number Reflections(All) 11673
    Number Reflections(Observed) 11673
    Percent Possible(Observed) 91.9
    R Merge I(Observed) 0.113
     
    High Resolution Shell Details
    Resolution(High) 2.2
    Resolution(Low) 2.28
    Percent Possible(All) 92.9
    R Merge I(Observed) 0.255
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.2
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 11673
    Number of Reflections(Observed) 11673
    Number of Reflections(R-Free) 609
    Percent Reflections(Observed) 91.96
    R-Factor(All) 0.201
    R-Factor(Observed) 0.201
    R-Work 0.197
    R-Free 0.252
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 22.234
    Anisotropic B[1][1] -0.11
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.49
    Anisotropic B[2][2] 1.03
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.22
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.2
    Shell Resolution(Low) 2.257
    Number of Reflections(R-Free) 46
    Number of Reflections(R-Work) 844
    R-Factor(R-Work) 0.214
    R-Factor(R-Free) 0.284
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_nbd_refined 0.248
    r_gen_planes_refined 0.007
    r_chiral_restr 0.106
    r_dihedral_angle_3_deg 19.843
    r_dihedral_angle_1_deg 3.915
    r_angle_refined_deg 1.709
    r_bond_refined_d 0.017
    r_xyhbond_nbd_refined 0.151
    r_symmetry_vdw_refined 0.203
    r_symmetry_hbond_refined 0.958
    r_mcbond_it 0.848
    r_mcangle_it 1.5
    r_scbond_it 2.424
    r_scangle_it 3.672
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2049
    Nucleic Acid Atoms 0
    Heterogen Atoms 4
    Solvent Atoms 202
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution X-PLOR
    Structure Refinement REFMAC 5
     
    Software
    refinement REFMAC version: 5.0
    model building X-PLOR