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X-RAY DIFFRACTION
Materials and Methods page
2PWH
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6
    Temperature 290.0
    Details 12% PEG20000, 0.1M Na cacodylate, 0.01M L-cysteine, pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 290K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.58 α = 67.66
    b = 71.54 β = 73.04
    c = 81.75 γ = 70.44
     
    Space Group
    Space Group Name:    P 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MAR CCD 165 mm
    Details mirrors
    Collection Date 2005-04-18
     
    Diffraction Radiation
    Monochromator mirrors
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM30A
    Wavelength List 0.9803
    Site ESRF
    Beamline BM30A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 1.0
    Resolution(High) 2
    Resolution(Low) 19.6
    Number Reflections(All) 80624
    Number Reflections(Observed) 80624
    Percent Possible(Observed) 96.6
    B(Isotropic) From Wilson Plot 8.1
    Redundancy 2.0
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.1
    Mean I Over Sigma(Observed) 2.84
    R-Sym I(Observed) 0.296
    Redundancy 2.1
    Number Unique Reflections(All) 10860
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 2.0
    Resolution(Low) 19.56
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 80618
    Number of Reflections(Observed) 80618
    Number of Reflections(R-Free) 6503
    Percent Reflections(Observed) 96.7
    R-Factor(Observed) 0.172
    R-Work 0.172
    R-Free 0.215
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 19.6
    Anisotropic B[1][1] 2.91
    Anisotropic B[1][2] -4.38
    Anisotropic B[1][3] -4.99
    Anisotropic B[2][2] 0.38
    Anisotropic B[2][3] 5.28
    Anisotropic B[3][3] -3.29
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(R-Free) 1029
    Number of Reflections(R-Work) 12315
    R-Factor(R-Work) 0.256
    R-Factor(R-Free) 0.288
    R-Free Error 0.009
    Percent Reflections(Observed) 95.9
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.76
    c_scbond_it 1.95
    c_mcangle_it 1.73
    c_mcbond_it 1.17
    c_improper_angle_d 0.8
    c_dihedral_angle_d 23.5
    c_angle_deg 1.2
    c_bond_d 0.005
     
    Coordinate Error
    Luzzati ESD(Observed) 0.19
    Luzzati Sigma A(Observed) 0.25
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.24
    Luzzati Sigma A(R-Free Set) 0.29
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 8974
    Nucleic Acid Atoms 0
    Heterogen Atoms 2
    Solvent Atoms 1518
     
     
  •   Software and Computing Hide
    Computing
    Data Collection marCCD
    Data Reduction (intensity integration) XDS
    Data Reduction (data scaling) XSCALE
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1