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An Information Portal to 105212 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
3IQU
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 277.0
    Details 0.1M Hepes/NaOH ph 7.5, 0.2M CaCl2, 28% PEG 400, 5% glycerol, 2mM DTT, VAPOR DIFFUSION, HANGING DROP, temperature 277K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 82.18 α = 90
    b = 112.17 β = 90
    c = 62.73 γ = 90
     
    Space Group
    Space Group Name:    C 2 2 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 225 mm CCD
    Collection Date 2009-03-04
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SLS BEAMLINE X10SA
    Wavelength List 0.87314
    Site SLS
    Beamline X10SA
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) -3.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.05
    Resolution(Low) 34.03
    Number Reflections(All) 134589
    Number Reflections(Observed) 133400
    Percent Possible(Observed) 99.1
    B(Isotropic) From Wilson Plot 12.532
    Redundancy 5.5
     
    High Resolution Shell Details
    Resolution(High) 1.05
    Resolution(Low) 1.1
    Percent Possible(All) 97.5
    R-Sym I(Observed) 0.397
    Redundancy 3.9
    Number Unique Reflections(All) 16942
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.05
    Resolution(Low) 25.0
    Number of Reflections(Observed) 126774
    Number of Reflections(R-Free) 6621
    Percent Reflections(Observed) 99.12
    R-Factor(Observed) 0.12971
    R-Work 0.12857
    R-Free 0.1509
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 9.982
    Anisotropic B[1][1] 0.08
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.9
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.98
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.05
    Shell Resolution(Low) 1.077
    Number of Reflections(R-Free) 465
    Number of Reflections(R-Work) 9002
    R-Factor(R-Work) 0.182
    R-Factor(R-Free) 0.193
    Percent Reflections(Observed) 96.19
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_sphericity_bonded 6.764
    r_sphericity_free 15.637
    r_rigid_bond_restr 2.464
    r_scangle_it 6.741
    r_scbond_it 4.901
    r_mcangle_it 3.108
    r_mcbond_other 1.074
    r_mcbond_it 2.113
    r_gen_planes_other 0.001
    r_gen_planes_refined 0.011
    r_chiral_restr 0.16
    r_dihedral_angle_4_deg 16.048
    r_dihedral_angle_3_deg 13.546
    r_dihedral_angle_2_deg 33.404
    r_dihedral_angle_1_deg 12.089
    r_angle_other_deg 1.159
    r_angle_refined_deg 2.198
    r_bond_other_d 0.004
    r_bond_refined_d 0.028
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1909
    Nucleic Acid Atoms 0
    Heterogen Atoms 4
    Solvent Atoms 492
     
     
  •   Software and Computing Hide
    Computing
    Data Collection SLS internal software
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement REFMAC 5.5.0070
     
    Software
    refinement REFMAC version: 5.5.0070
    model building PHASER
    data collection SLS version: internal software