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X-RAY DIFFRACTION
Materials and Methods page
3TWH
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 298.0
    Details 0.1 M MES, 12% PEG 20000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 80.66 α = 90
    b = 37.82 β = 96.6
    c = 61.94 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 210
    Collection Date 2006-08-12
     
    Diffraction Radiation
    Monochromator MIRRORS
    Diffraction Protocol MAD
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X12C
    Wavelength List 0.9797, 0.9800, 0.9795
    Site NSLS
    Beamline X12C
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.79
    Resolution(Low) 61.53
    Number Reflections(All) 17472
    Number Reflections(Observed) 17227
    Percent Possible(Observed) 98.6
    R Merge I(Observed) 0.06
    Redundancy 7.3
     
    High Resolution Shell Details
    Resolution(High) 1.79
    Resolution(Low) 1.86
    Percent Possible(All) 98.6
    R Merge I(Observed) 0.278
    Redundancy 6.3
    Number Unique Reflections(All) 1707
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MAD
    reflnsShellList 1.79
    Resolution(Low) 40.0
    Number of Reflections(all) 16958
    Number of Reflections(Observed) 16704
    Number of Reflections(R-Free) 902
    Percent Reflections(Observed) 98.45
    R-Factor(Observed) 0.17714
    R-Work 0.17541
    R-Free 0.20782
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 23.98
    Anisotropic B[1][1] 0.67
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.27
    Anisotropic B[2][2] -0.01
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.72
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.79
    Shell Resolution(Low) 1.832
    Number of Reflections(R-Free) 56
    Number of Reflections(R-Work) 1170
    R-Factor(R-Work) 0.273
    R-Factor(R-Free) 0.34
    Percent Reflections(Observed) 94.82
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 5.118
    r_scbond_it 3.53
    r_mcangle_it 2.246
    r_mcbond_it 1.325
    r_gen_planes_refined 0.012
    r_chiral_restr 0.178
    r_dihedral_angle_4_deg 21.266
    r_dihedral_angle_3_deg 16.588
    r_dihedral_angle_2_deg 37.03
    r_dihedral_angle_1_deg 5.91
    r_angle_refined_deg 2.372
    r_bond_refined_d 0.026
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1089
    Nucleic Acid Atoms 245
    Heterogen Atoms 6
    Solvent Atoms 136
     
     
  •   Software and Computing Hide
    Computing
    Data Collection ADSC Quantum
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution SHELXS
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building SHELXS
    data collection ADSC version: Quantum