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X-RAY DIFFRACTION
Materials and Methods page
3U91
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6
    Temperature 298.0
    Details 20% Jeffamine M600, 0.1M MES, 25mM Cesium Chloride, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 45.31 α = 90
    b = 45.31 β = 90
    c = 42.16 γ = 120
     
    Space Group
    Space Group Name:    P 3 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Collection Date 2005-06-25
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4A
    Wavelength List 0.9676
    Site NSLS
    Beamline X4A
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.45
    Resolution(Low) 42.14
    Number Reflections(Observed) 9173
    Percent Possible(Observed) 99.8
    R Merge I(Observed) 0.065
    Redundancy 8.8
     
    High Resolution Shell Details
    Resolution(High) 1.45
    Resolution(Low) 1.5
    Percent Possible(All) 99.8
    Mean I Over Sigma(Observed) 6.4
    R-Sym I(Observed) 0.467
    Redundancy 8.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.45
    Resolution(Low) 42.14
    Number of Reflections(all) 9173
    Number of Reflections(Observed) 8256
    Number of Reflections(R-Free) 917
    Percent Reflections(Observed) 99.85
    R-Factor(Observed) 0.19585
    R-Work 0.19191
    R-Free 0.23341
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 26.142
    Anisotropic B[1][1] 0.62
    Anisotropic B[1][2] 0.31
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.62
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.93
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.45
    Shell Resolution(Low) 1.489
    Number of Reflections(R-Free) 72
    Number of Reflections(R-Work) 568
    R-Factor(R-Work) 0.202
    R-Factor(R-Free) 0.25
    Percent Reflections(Observed) 99.69
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.846
    r_scbond_it 2.362
    r_mcangle_it 1.42
    r_mcbond_it 0.784
    r_nbd_refined 0.206
    r_gen_planes_refined 0.005
    r_chiral_restr 0.073
    r_dihedral_angle_4_deg 7.733
    r_dihedral_angle_3_deg 12.035
    r_dihedral_angle_2_deg 37.213
    r_dihedral_angle_1_deg 4.226
    r_angle_refined_deg 1.138
    r_bond_refined_d 0.009
    r_nbtor_refined 0.301
    r_xyhbond_nbd_refined 0.13
    r_symmetry_vdw_refined 0.138
    r_symmetry_hbond_refined 0.103
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 255
    Nucleic Acid Atoms 0
    Heterogen Atoms 13
    Solvent Atoms 48
     
     
  •   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 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005
    model building PHASER
    data collection ADSC version: Quantum