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X-RAY DIFFRACTION
Materials and Methods page
3B8G
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.8
    Temperature 291.0
    Details 6% PEG3350, 100mM CsCl, 100 mM sodium citrate, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 98.65 α = 90
    b = 98.65 β = 90
    c = 89.75 γ = 120
     
    Space Group
    Space Group Name:    P 3 1 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Details mirrors
    Collection Date 2007-09-25
     
    Diffraction Radiation
    Monochromator YALE MIrrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength List 1.54178
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.6
    Resolution(Low) 20
    Number Reflections(All) 15619
    Number Reflections(Observed) 15494
    Percent Possible(Observed) 99.2
    R Merge I(Observed) 0.095
    Redundancy 8.0
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.69
    Percent Possible(All) 96.9
    R Merge I(Observed) 0.927
    Mean I Over Sigma(Observed) 1.5
    Redundancy 5.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.6
    Resolution(Low) 20.0
    Number of Reflections(all) 15494
    Number of Reflections(Observed) 14685
    Number of Reflections(R-Free) 773
    Percent Reflections(Observed) 98.91
    R-Factor(Observed) 0.20392
    R-Work 0.19998
    R-Free 0.28239
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 35.11
    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) 2.596
    Shell Resolution(Low) 2.663
    Number of Reflections(R-Free) 57
    Number of Reflections(R-Work) 1042
    R-Factor(R-Work) 0.381
    R-Factor(R-Free) 0.426
    Percent Reflections(Observed) 95.57
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 9.848
    r_scbond_it 6.862
    r_mcangle_it 3.986
    r_mcbond_it 2.545
    r_nbd_refined 0.317
    r_gen_planes_refined 0.024
    r_chiral_restr 0.163
    r_dihedral_angle_4_deg 22.803
    r_dihedral_angle_3_deg 23.069
    r_dihedral_angle_2_deg 42.47
    r_dihedral_angle_1_deg 8.554
    r_angle_refined_deg 2.407
    r_bond_refined_d 0.012
    r_nbtor_refined 0.35
    r_xyhbond_nbd_refined 0.228
    r_symmetry_vdw_refined 0.351
    r_symmetry_hbond_refined 0.316
     
    Coordinate Error
    Luzzati ESD(Observed) 0.4
    Luzzati Sigma A(Observed) 0.44
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.52
    Luzzati Sigma A(R-Free Set) 0.51
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3227
    Nucleic Acid Atoms 0
    Heterogen Atoms 61
    Solvent Atoms 127
     
     
  •   Software and Computing Hide
    Computing
    Data Collection CrystalClear
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution CNS
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement CNS version: 1.2