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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1SQ2
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7
    Temperature 295.0
    Details 15% PEG 10,000, 0.1M imidazole HCl, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 74.02 α = 90
    b = 109.84 β = 90
    c = 29.28 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 ADSC QUANTUM 210
    Collection Date 2004-01-08
     
    Diffraction Radiation
    Diffraction Protocol single wavelength
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.3.1
    Wavelength List 1.1159
    Site ALS
    Beamline 8.3.1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.45
    Resolution(Low) 35
    Number Reflections(All) 40482
    Number Reflections(Observed) 40482
    Percent Possible(Observed) 93.1
    B(Isotropic) From Wilson Plot 17.0
    Redundancy 4.6
     
    High Resolution Shell Details
    Resolution(High) 1.45
    Resolution(Low) 1.48
    Percent Possible(All) 52.6
    Mean I Over Sigma(Observed) 2.0
    R-Sym I(Observed) 0.394
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.45
    Resolution(Low) 35.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 40410
    Number of Reflections(Observed) 40410
    Number of Reflections(R-Free) 2025
    Percent Reflections(Observed) 93.16
    R-Factor(Observed) 0.19744
    R-Work 0.19601
    R-Free 0.22534
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 16.334
    Anisotropic B[1][1] -0.1
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.31
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.42
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.45
    Shell Resolution(Low) 1.488
    Number of Reflections(R-Work) 1645
    R-Factor(R-Work) 0.308
    R-Factor(R-Free) 0.364
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.835
    r_scbond_it 2.875
    r_mcangle_it 1.957
    r_mcbond_other 0.356
    r_mcbond_it 1.615
    r_symmetry_hbond_refined 0.183
    r_symmetry_vdw_other 0.255
    r_symmetry_vdw_refined 0.176
    r_xyhbond_nbd_refined 0.159
    r_nbtor_other 0.084
    r_nbd_other 0.2
    r_bond_refined_d 0.019
    r_bond_other_d 0.003
    r_angle_refined_deg 1.724
    r_angle_other_deg 0.938
    r_dihedral_angle_1_deg 6.097
    r_dihedral_angle_2_deg 33.18
    r_dihedral_angle_3_deg 12.588
    r_dihedral_angle_4_deg 17.499
    r_chiral_restr 0.123
    r_gen_planes_refined 0.008
    r_gen_planes_other 0.001
    r_nbd_refined 0.229
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1835
    Nucleic Acid Atoms 0
    Heterogen Atoms 21
    Solvent Atoms 189
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution EPMR
    Structure Refinement REFMAC 5.1.9999
     
    Software
    refinement REFMAC version: 5.1.9999