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X-RAY DIFFRACTION
Materials and Methods page
2Q12
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 8
    Temperature 293.0
    Details 0.1 M magnesium formate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 52.99 α = 90
    b = 129.2 β = 90
    c = 36.85 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARMOSAIC 225 mm CCD
    Collection Date 2006-03-16
     
    Diffraction Radiation
    Monochromator Rosenbaum-Rock double-crystal monochromator
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 22-BM
    Wavelength List 0.9793
    Site APS
    Beamline 22-BM
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) -6.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.79
    Resolution(Low) 50
    Number Reflections(All) 23548
    Number Reflections(Observed) 23518
    Percent Possible(Observed) 95.7
    R Merge I(Observed) 0.081
    B(Isotropic) From Wilson Plot 25.8
    Redundancy 3.2
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.86
    Percent Possible(All) 78.1
    R Merge I(Observed) 0.44
    Mean I Over Sigma(Observed) 2.19
    Redundancy 3.0
    Number Unique Reflections(All) 1897
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method SAD
    reflnsShellList 1.79
    Resolution(Low) 50.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 23473
    Number of Reflections(Observed) 22273
    Number of Reflections(R-Free) 1200
    Percent Reflections(Observed) 95.47
    R-Factor(All) 0.214
    R-Factor(Observed) 0.214
    R-Work 0.212
    R-Free 0.255
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model Isotropic
    Mean Isotropic B Value 34.596
    Anisotropic B[1][1] 3.99
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -2.54
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.45
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.792
    Shell Resolution(Low) 1.839
    Number of Reflections(R-Free) 67
    Number of Reflections(R-Work) 1249
    R-Factor(R-Work) 0.266
    R-Factor(R-Free) 0.312
    Percent Reflections(Observed) 72.79
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 6.155
    r_scbond_it 4.328
    r_mcangle_it 4.269
    r_mcbond_it 3.374
    r_symmetry_hbond_refined 0.122
    r_bond_refined_d 0.016
    r_angle_refined_deg 1.505
    r_dihedral_angle_1_deg 4.586
    r_dihedral_angle_2_deg 36.524
    r_dihedral_angle_3_deg 16.695
    r_dihedral_angle_4_deg 21.261
    r_chiral_restr 0.104
    r_gen_planes_refined 0.006
    r_nbd_refined 0.216
    r_nbtor_refined 0.302
    r_xyhbond_nbd_refined 0.156
    r_symmetry_vdw_refined 0.185
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1966
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 147
     
     
  •   Software and Computing Hide
    Computing
    Data Collection HKL-2000
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution SHARP
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019