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An Information Portal to 105025 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
4AI0
  •   Crystallization Hide
    Crystallization Experiments
    pH 7.5
    Details 200 MM BISTRIS PROPANE PH 7.5 500 MM NACL 20% PEG 4000
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 46.17 α = 90
    b = 62.69 β = 90
    c = 105.65 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 (QUANTUM 315)
    Type ADSC
    Details BENT CYLINDRICAL MIRROR
    Collection Date 2010-11-08
     
    Diffraction Radiation
    Monochromator SILICON (1 1 1) CHANNEL- CUT
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE ID23-1
    Wavelength 1.7118
    Site ESRF
    Beamline ID23-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.8
    Resolution(Low) 42.31
    Number Reflections(Observed) 29050
    Percent Possible(Observed) 99.7
    R Merge I(Observed) 0.04
    B(Isotropic) From Wilson Plot 15.8
    Redundancy 3.3
     
    High Resolution Shell Details
    Resolution(High) 1.8
    Resolution(Low) 1.9
    Percent Possible(All) 99.9
    R Merge I(Observed) 0.32
    Mean I Over Sigma(Observed) 3.9
    Redundancy 3.2
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method ISOMORPHOUS REPLACEMENT
    reflnsShellList 1.8
    Resolution(Low) 40.58
    Number of Reflections(Observed) 28379
    Number of Reflections(R-Free) 525
    Percent Reflections(Observed) 99.43
    R-Factor(Observed) 0.17722
    R-Work 0.17646
    R-Free 0.2178
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Mean Isotropic B Value 14.028
    Anisotropic B[1][1] 0.05
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] 0.4
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -0.45
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.8
    Shell Resolution(Low) 1.847
    Number of Reflections(R-Free) 30
    Number of Reflections(R-Work) 2002
    R-Factor(R-Work) 0.26
    R-Factor(R-Free) 0.212
    Percent Reflections(Observed) 99.61
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    r_scangle_it 3.18
    r_scbond_it 2.254
    r_mcangle_it 1.426
    r_mcbond_it 0.895
    r_gen_planes_refined 0.009
    r_chiral_restr 0.098
    r_dihedral_angle_4_deg 25.381
    r_dihedral_angle_3_deg 13.214
    r_dihedral_angle_2_deg 32.76
    r_dihedral_angle_1_deg 6.17
    r_angle_refined_deg 1.313
    r_bond_refined_d 0.009
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1938
    Nucleic Acid Atoms 0
    Heterogen Atoms 13
    Solvent Atoms 310
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution REFMAC5
    Structure Refinement REFMAC 5.5.0109
     
    Software
    refinement REFMAC version: 5.5.0109
    model building REFMAC5