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X-RAY DIFFRACTION
Materials and Methods page
2WIQ
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.5
    Details 1.8M AMMONIUM SULFATE, 0.1M TRIS PH 8.5, 0.05M ASCORBIC ACID, VAPOR DIFFUSION, TEMPERATURE 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 71.49 α = 90
    b = 73.67 β = 90
    c = 80.26 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
    Collection Date 2008-09-28
     
    Diffraction Radiation
    Monochromator SI111
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength 0.93300
    Site ESRF
    Beamline ID14-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2
    Resolution(Low) 50
    Number Reflections(Observed) 29194
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.15
    B(Isotropic) From Wilson Plot 28.164
    Redundancy 4.8
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.05
    Percent Possible(All) 99.7
    R Merge I(Observed) 0.58
    Mean I Over Sigma(Observed) 3.3
    Redundancy 4.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 54.31
    Number of Reflections(Observed) 27682
    Number of Reflections(R-Free) 1478
    Percent Reflections(Observed) 99.79
    R-Factor(Observed) 0.17382
    R-Work 0.17061
    R-Free 0.23564
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 22.623
    Anisotropic B[1][1] -0.09
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.33
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 0.42
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.052
    Number of Reflections(R-Free) 111
    Number of Reflections(R-Work) 1973
    R-Factor(R-Work) 0.196
    R-Factor(R-Free) 0.309
    Percent Reflections(Observed) 100.0
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.378
    r_scbond_it 2.913
    r_mcangle_it 1.864
    r_mcbond_it 1.036
    r_nbd_refined 0.225
    r_gen_planes_refined 0.008
    r_chiral_restr 0.137
    r_dihedral_angle_4_deg 21.907
    r_dihedral_angle_3_deg 16.67
    r_dihedral_angle_2_deg 34.331
    r_dihedral_angle_1_deg 7.112
    r_angle_refined_deg 1.882
    r_bond_refined_d 0.018
    r_nbtor_refined 0.309
    r_xyhbond_nbd_refined 0.239
    r_symmetry_vdw_refined 0.305
    r_symmetry_hbond_refined 0.321
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3593
    Nucleic Acid Atoms 0
    Heterogen Atoms 17
    Solvent Atoms 269
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution PHASER
    Structure Refinement REFMAC 5.2.0005
     
    Software
    refinement REFMAC version: 5.2.0005
    model building PHASER