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X-RAY DIFFRACTION
Materials and Methods page
3L2P
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION
    pH 5.6
    Temperature 295.0
    Details 1.8 M ammonium sulfate, 0.1M sodium acetate pH 5.6, VAPOR DIFFUSION, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 130.15 α = 90
    b = 130.15 β = 90
    c = 150.43 γ = 90
     
    Space Group
    Space Group Name:    P 41 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Details Cryogenically-cooled double crystal Si(111) monochromator. Triple striped vertical and horizantal focussing mirrors in Kirkpatrick-Baez geometry
    Collection Date 2006-12-10
     
    Diffraction Radiation
    Monochromator Cryo-Cooled Si(111) double crystal.
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 24-ID-C
    Wavelength List 0.9791
    Site APS
    Beamline 24-ID-C
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 3
    Resolution(Low) 49.21
    Number Reflections(Observed) 25407
    Redundancy 12.9
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.076
    Percent Possible(All) 73.13
    Mean I Over Sigma(Observed) 2.25
    R-Sym I(Observed) 0.602
    Redundancy 5.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 3.0
    Resolution(Low) 49.21
    Number of Reflections(Observed) 24119
    Number of Reflections(R-Free) 1287
    Percent Reflections(Observed) 95.83
    R-Factor(Observed) 0.23511
    R-Work 0.23325
    R-Free 0.27131
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 144.096
    Anisotropic B[1][1] -0.07
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.07
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.14
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 3.0
    Shell Resolution(Low) 3.078
    Number of Reflections(R-Free) 77
    Number of Reflections(R-Work) 1331
    R-Factor(R-Work) 0.308
    R-Factor(R-Free) 0.287
    Percent Reflections(Observed) 73.1
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 2.682
    r_scbond_it 1.673
    r_mcangle_it 1.014
    r_mcbond_it 0.516
    r_gen_planes_refined 0.006
    r_chiral_restr 0.107
    r_dihedral_angle_4_deg 22.962
    r_dihedral_angle_3_deg 20.966
    r_dihedral_angle_2_deg 38.57
    r_dihedral_angle_1_deg 7.059
    r_angle_refined_deg 1.84
    r_bond_refined_d 0.016
     
    Coordinate Error
    Luzzati ESD(Observed) 0.55
    Luzzati Sigma A(Observed) 0.66
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.55
    Luzzati Sigma A(R-Free Set) 0.73
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4145
    Nucleic Acid Atoms 855
    Heterogen Atoms 22
    Solvent Atoms 0
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution SOLVE
    Structure Refinement REFMAC 5.5.0102
     
    Software
    refinement REFMAC
    model building SOLVE
    data collection HKL-2000