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X-RAY DIFFRACTION
Materials and Methods page
4ANQ
  •   Crystallization Hide
    Crystallization Experiments
    pH 8.5
    Details CRYSTALS WERE GROWN BY THE HANGING DROP VAPOR DIFFUSION METHOD AT 13 DEGREES CELSIUS BY MIXING 2 MICROLITERS OF PROTEIN SOLUTION WITH A RESERVOIR SOLUTION CONTAINING: 18% (W/V) PEG 3350, 0.1 M TRIS PH 8.5, 0.2M LITHIUM SULFATE, AND 0.1(W/V) BETA-OCTYLGLCOSIDE.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 51.63 α = 90
    b = 57.47 β = 90
    c = 104.62 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 21
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 87
     
    Diffraction Detector
    Detector PIXEL (PILATUS 6M)
    Type DECTRIS
    Collection Date 2011-10-17
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type APS BEAMLINE 17-ID
    Wavelength 1.0
    Site APS
    Beamline 17-ID
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 2.0
    Resolution(High) 1.77
    Resolution(Low) 104.62
    Number Reflections(Observed) 30797
    Percent Possible(Observed) 98.5
    R Merge I(Observed) 0.05
    B(Isotropic) From Wilson Plot 25.1
    Redundancy 6.5
     
    High Resolution Shell Details
    Resolution(High) 1.77
    Resolution(Low) 1.86
    Percent Possible(All) 97.4
    R Merge I(Observed) 0.44
    Mean I Over Sigma(Observed) 4.1
    Redundancy 6.8
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method ISOMORPHOUS REPLACEMENT
    reflnsShellList 1.76
    Resolution(Low) 52.31
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 30753
    Number of Reflections(R-Free) 910
    Percent Reflections(Observed) 97.3
    R-Work 0.201
    R-Free 0.217
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 30.6
    Anisotropic B[1][1] -1.85
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -3.1
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 4.95
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.76
    Shell Resolution(Low) 1.87
    Number of Reflections(R-Free) 150
    Number of Reflections(R-Work) 4596
    R-Factor(R-Work) 0.253
    R-Factor(R-Free) 0.257
    R-Free Error 0.021
    Percent Reflections(Observed) 91.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.51
    c_scbond_it 2.3
    c_mcangle_it 2.27
    c_mcbond_it 1.42
    c_improper_angle_d 0.64
    c_bond_d 0.004
    c_angle_deg 0.8
    c_dihedral_angle_d 18.7
     
    Coordinate Error
    Luzzati ESD(Observed) 0.2
    Luzzati Sigma A(Observed) 0.13
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.23
    Luzzati Sigma A(R-Free Set) 0.14
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2313
    Nucleic Acid Atoms 0
    Heterogen Atoms 30
    Solvent Atoms 209
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) AUTOPROC
    Data Reduction (data scaling) SCALA
    Structure Solution CNX
    Structure Refinement CNX 2005
     
    Software
    refinement CNX version: 2005
    model building CNX