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An Information Portal to 105025 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
2XQI
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.6
    Details AMMONIUM SULFATE 2.1 M, 2-(N-MORPHOLINO)-ETHANESULFONIC ACID 0.1 M, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 155.15 α = 90
    b = 155.15 β = 90
    c = 128.54 γ = 90
     
    Space Group
    Space Group Name:    I 4 2 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD (QUANTUM 4)
    Type ADSC
    Collection Date 2009-10-04
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID14-2
    Wavelength 0.933
    Site ESRF
    Beamline ID14-2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.6
    Resolution(Low) 49.1
    Number Reflections(Observed) 23438
    Percent Possible(Observed) 96.0
    R Merge I(Observed) 0.15
    Redundancy 9.5
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.9
    Percent Possible(All) 97.7
    R Merge I(Observed) 0.48
    Mean I Over Sigma(Observed) 4.12
    Redundancy 9.0
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.6
    Resolution(Low) 49.06
    Number of Reflections(Observed) 22261
    Number of Reflections(R-Free) 1172
    Percent Reflections(Observed) 96.03
    R-Factor(Observed) 0.18786
    R-Work 0.18463
    R-Free 0.24735
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 53.97
    Anisotropic B[1][1] -0.75
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.75
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.5
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.6
    Shell Resolution(Low) 2.667
    Number of Reflections(R-Free) 86
    Number of Reflections(R-Work) 1636
    R-Factor(R-Work) 0.251
    R-Factor(R-Free) 0.378
    Percent Reflections(Observed) 97.01
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 4.459
    r_scbond_it 2.753
    r_mcangle_it 1.543
    r_mcbond_it 0.817
    r_gen_planes_refined 0.009
    r_chiral_restr 0.127
    r_dihedral_angle_4_deg 17.747
    r_dihedral_angle_3_deg 18.084
    r_dihedral_angle_2_deg 35.163
    r_dihedral_angle_1_deg 6.786
    r_angle_refined_deg 1.877
    r_bond_refined_d 0.02
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 4203
    Nucleic Acid Atoms 0
    Heterogen Atoms 186
    Solvent Atoms 247
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0102
     
    Software
    refinement REFMAC version: 5.5.0102
    model building MOLREP