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An Information Portal to 110790 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
3TXA
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 295.0
    Details 15% PEG4000, 0.1 M Tris, pH 8.0, 0.2 M lithium sulfate, 10 mM cadmium chloride, VAPOR DIFFUSION, HANGING DROP, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 124.58 α = 90
    b = 124.58 β = 90
    c = 117.84 γ = 120
     
    Space Group
    Space Group Name:    P 31 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Collection Date 2011-02-11
     
    Diffraction Radiation
    Monochromator Si(220)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 24-ID-E
    Wavelength List 0.97949
    Site APS
    Beamline 24-ID-E
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 2.62
    Resolution(Low) 39.79
    Number Reflections(Observed) 32251
    Percent Possible(Observed) 100.0
    Redundancy 7.3
     
    High Resolution Shell Details
    Resolution(High) 2.619
    Resolution(Low) 2.67
    Percent Possible(All) 99.4
    Mean I Over Sigma(Observed) 2.0
    R-Sym I(Observed) 0.67
    Redundancy 5.9
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.619
    Resolution(Low) 39.788
    Number of Reflections(Observed) 30583
    Number of Reflections(R-Free) 1633
    Percent Reflections(Observed) 99.96
    R-Factor(Observed) 0.20836
    R-Work 0.20591
    R-Free 0.25552
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 56.557
    Anisotropic B[1][1] 2.32
    Anisotropic B[1][2] 1.16
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 2.32
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -3.48
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.619
    Shell Resolution(Low) 2.687
    Number of Reflections(R-Free) 139
    Number of Reflections(R-Work) 2199
    R-Factor(R-Work) 0.306
    R-Factor(R-Free) 0.341
    Percent Reflections(Observed) 99.74
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.029
    r_scbond_it 2.314
    r_mcangle_it 1.684
    r_mcbond_it 0.89
    r_gen_planes_refined 0.007
    r_chiral_restr 0.103
    r_dihedral_angle_4_deg 20.766
    r_dihedral_angle_3_deg 18.569
    r_dihedral_angle_2_deg 40.419
    r_dihedral_angle_1_deg 6.946
    r_angle_refined_deg 1.586
    r_bond_refined_d 0.016
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4610
    Nucleic Acid Atoms 0
    Heterogen Atoms 9
    Solvent Atoms 79
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution Phaser
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building Phaser
    data collection ADSC version: Quantum