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X-RAY DIFFRACTION
Materials and Methods page
2WHB
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.8
    Details 18% V/V PEG3350 AND 0.1M SODIUM CITRATE, pH 7.8
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 74.42 α = 90
    b = 114.92 β = 90
    c = 154.47 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Details MIRRORS
    Collection Date 2004-04-16
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-4
    Wavelength 0.939
    Site ESRF
    Beamline ID14-4
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 3.0
    Resolution(High) 2.9
    Resolution(Low) 30
    Number Reflections(Observed) 29405
    Percent Possible(Observed) 98.0
    R Merge I(Observed) 0.12
    Redundancy 3.5
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.06
    Percent Possible(All) 96.2
    R Merge I(Observed) 0.67
    Mean I Over Sigma(Observed) 1.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.9
    Resolution(Low) 30.0
    Number of Reflections(Observed) 28324
    Number of Reflections(R-Free) 944
    Percent Reflections(Observed) 97.36
    R-Factor(Observed) 0.1887
    R-Work 0.18614
    R-Free 0.26393
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 43.787
    Anisotropic B[1][1] -1.7
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.34
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.35
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.9
    Shell Resolution(Low) 2.975
    Number of Reflections(R-Free) 56
    Number of Reflections(R-Work) 2007
    R-Factor(R-Work) 0.333
    R-Factor(R-Free) 0.457
    Percent Reflections(Observed) 94.85
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 8.191
    r_scbond_it 5.561
    r_mcangle_it 3.718
    r_mcbond_other 0.532
    r_mcbond_it 2.375
    r_nbd_refined 0.253
    r_gen_planes_other 0.002
    r_gen_planes_refined 0.009
    r_chiral_restr 0.133
    r_dihedral_angle_4_deg 21.414
    r_dihedral_angle_3_deg 21.668
    r_dihedral_angle_2_deg 41.543
    r_dihedral_angle_1_deg 7.95
    r_angle_other_deg 1.258
    r_angle_refined_deg 2.589
    r_bond_other_d 0.001
    r_bond_refined_d 0.013
    r_nbd_other 0.234
    r_nbtor_refined 0.213
    r_nbtor_other 0.113
    r_xyhbond_nbd_refined 0.207
    r_xyhbond_nbd_other 0.134
    r_symmetry_vdw_refined 0.143
    r_symmetry_vdw_other 0.208
    r_symmetry_hbond_refined 0.25
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 9013
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 100
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) SCALA
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2.0019
     
    Software
    refinement REFMAC version: 5.2.0019
    model building MOLREP