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X-RAY DIFFRACTION
Materials and Methods page
2QA8
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 298.0
    Details VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.0
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 55.67 α = 90
    b = 77.96 β = 109.05
    c = 58 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 315
    Details Rosenbaum-Rock vertical focusing mirror
    Collection Date 2004-11-08
     
    Diffraction Radiation
    Monochromator Rosenbaum-Rock high-resolution double-crystal monochromator
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 19-ID
    Wavelength List 0.97934
    Site APS
    Beamline 19-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.85
    Resolution(Low) 50
    Number Reflections(All) 38560
    Number Reflections(Observed) 38560
    Percent Possible(Observed) 97.0
    R Merge I(Observed) 0.049
    B(Isotropic) From Wilson Plot 26.39
    Redundancy 3.1
     
    High Resolution Shell Details
    Resolution(High) 1.85
    Resolution(Low) 1.901
    Percent Possible(All) 76.29
    R Merge I(Observed) 0.367
    Mean I Over Sigma(Observed) 1.79
    R-Sym I(Observed) 0.367
    Redundancy 2.4
    Number Unique Reflections(All) 2204
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.85
    Resolution(Low) 19.89
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 38516
    Number of Reflections(Observed) 38516
    Number of Reflections(R-Free) 1935
    Percent Reflections(Observed) 96.85
    R-Factor(Observed) 0.214
    R-Work 0.211
    R-Free 0.264
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model isotropic
    Mean Isotropic B Value 48.196
    Anisotropic B[1][1] 0.16
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.01
    Anisotropic B[2][2] -0.18
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.02
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.85
    Shell Resolution(Low) 1.901
    Number of Reflections(Observed) 2204
    Number of Reflections(R-Free) 110
    Number of Reflections(R-Work) 2094
    R-Factor(R-Work) 0.351
    R-Factor(R-Free) 0.428
    Percent Reflections(Observed) 76.29
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 11.112
    r_scbond_it 8.369
    r_mcangle_it 4.979
    r_mcbond_it 3.646
    r_symmetry_hbond_refined 0.194
    r_bond_refined_d 0.01
    r_angle_refined_deg 1.278
    r_dihedral_angle_1_deg 4.814
    r_dihedral_angle_2_deg 39.498
    r_dihedral_angle_3_deg 17.891
    r_dihedral_angle_4_deg 21.92
    r_chiral_restr 0.086
    r_gen_planes_refined 0.005
    r_nbd_refined 0.244
    r_nbtor_refined 0.316
    r_xyhbond_nbd_refined 0.208
    r_symmetry_vdw_refined 0.289
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3882
    Nucleic Acid Atoms 0
    Heterogen Atoms 40
    Solvent Atoms 70
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2.0005
     
    Software
    data extraction pdb_extract version: 2.000
    refinement REFMAC5 version: 5.2.0005