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X-RAY DIFFRACTION
Materials and Methods page
2I0C
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.6
    Temperature 293.0
    Details Reservoir: 20% isopropanol, 25% PEG 4k, 0.1 M NaCitrate. Protein: 7-15 mg/ml, 10 mM HEPES, 20 mM NaCl, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 108.79 α = 90
    b = 108.79 β = 90
    c = 47.35 γ = 90
     
    Space Group
    Space Group Name:    P 4
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Collection Date 2005-04-19
     
    Diffraction Radiation
    Monochromator Si 220
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 22-ID
    Wavelength List 0.99997
    Site APS
    Beamline 22-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 1.0
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2.25
    Resolution(Low) 40
    Number Reflections(All) 26406
    Number Reflections(Observed) 26406
    Percent Possible(Observed) 98.9
    R Merge I(Observed) 0.089
    B(Isotropic) From Wilson Plot 34.6
    Redundancy 3.1
     
    High Resolution Shell Details
    Resolution(High) 2.25
    Resolution(Low) 2.33
    Percent Possible(All) 100.0
    R Merge I(Observed) 0.437
    Mean I Over Sigma(Observed) 2.93
    Redundancy 3.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.25
    Resolution(Low) 40.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 25130
    Number of Reflections(Observed) 25130
    Number of Reflections(R-Free) 1276
    Percent Reflections(Observed) 98.93
    R-Factor(All) 0.17528
    R-Factor(Observed) 0.17528
    R-Work 0.17188
    R-Free 0.24447
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 23.671
    Anisotropic B[1][1] 0.62
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.62
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -1.25
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.25
    Shell Resolution(Low) 2.308
    Number of Reflections(R-Free) 99
    Number of Reflections(R-Work) 1828
    R-Factor(R-Work) 0.185
    R-Factor(R-Free) 0.274
    Percent Reflections(Observed) 99.95
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.607
    r_scbond_it 2.42
    r_mcangle_it 3.18
    r_mcbond_it 2.078
    r_nbd_refined 0.245
    r_gen_planes_refined 0.009
    r_chiral_restr 0.123
    r_dihedral_angle_4_deg 16.385
    r_dihedral_angle_3_deg 16.342
    r_dihedral_angle_2_deg 33.967
    r_dihedral_angle_1_deg 4.892
    r_angle_refined_deg 1.977
    r_bond_refined_d 0.023
    r_nbtor_refined 0.329
    r_xyhbond_nbd_refined 0.244
    r_symmetry_vdw_refined 0.281
    r_symmetry_hbond_refined 0.319
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4042
    Nucleic Acid Atoms 0
    Heterogen Atoms 20
    Solvent Atoms 204
     
     
  •   Software and Computing Hide
    Computing
    Data Collection SERGUI, MARCCD
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) HKL-2000
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005