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An Information Portal to 105212 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
2XBR
  •   Crystallization Hide
    Crystallization Experiments
    pH 4.6
    Details 75 MM SODIUM ACETATE PH 4.6, 1.0 M SODIUM CHLORIDE
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 78.63 α = 90
    b = 78.63 β = 90
    c = 37.06 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC
    Details FOCUSING MIRROR
    Collection Date 2006-05-22
     
    Diffraction Radiation
    Monochromator DIAMOND
    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) 4.0
    Resolution(High) 1.29
    Resolution(Low) 30
    Number Reflections(Observed) 29814
    Percent Possible(Observed) 98.8
    R Merge I(Observed) 0.04
    B(Isotropic) From Wilson Plot 15.38
    Redundancy 11.4
     
    High Resolution Shell Details
    Resolution(High) 1.29
    Resolution(Low) 1.35
    Percent Possible(All) 92.7
    R Merge I(Observed) 0.29
    Mean I Over Sigma(Observed) 4.5
    Redundancy 4.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.29
    Resolution(Low) 33.52
    Number of Reflections(Observed) 27977
    Number of Reflections(R-Free) 1482
    Percent Reflections(Observed) 98.8
    R-Factor(Observed) 0.14326
    R-Work 0.14108
    R-Free 0.18637
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 18.76
    Anisotropic B[1][1] -0.83
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -0.83
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.65
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.29
    Shell Resolution(Low) 1.324
    Number of Reflections(R-Free) 106
    Number of Reflections(R-Work) 1789
    R-Factor(R-Work) 0.211
    R-Factor(R-Free) 0.238
    Percent Reflections(Observed) 87.29
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_rigid_bond_restr 2.817
    r_scangle_it 6.483
    r_scbond_it 5.066
    r_mcangle_it 3.669
    r_mcbond_it 2.661
    r_gen_planes_refined 0.014
    r_chiral_restr 0.164
    r_dihedral_angle_4_deg 17.967
    r_dihedral_angle_3_deg 13.352
    r_dihedral_angle_2_deg 34.349
    r_dihedral_angle_1_deg 6.233
    r_angle_refined_deg 2.243
    r_bond_refined_d 0.028
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 8
    Solvent Atoms 263
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution MOLREP
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building MOLREP