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X-RAY DIFFRACTION
Materials and Methods page
1XIX
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION
    pH 6.5
    Temperature 295.0
    Details PEG 6000, cacodylate, sodium chloride, pH 6.5, VAPOR DIFFUSION, temperature 295K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 42.27 α = 90
    b = 101.54 β = 103.19
    c = 46.71 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type MARRESEARCH
    Details mirror 1, double crystal, mirror 2
    Collection Date 2003-11-01
     
    Diffraction Radiation
    Monochromator sagitally focused Si(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ESRF BEAMLINE BM30A
    Wavelength List 0.979534
    Site ESRF
    Beamline BM30A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2
    Resolution(Low) 14.97
    Number Reflections(Observed) 25437
    Percent Possible(Observed) 98.2
    B(Isotropic) From Wilson Plot 7.9
    Redundancy 2.7
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.11
    Percent Possible(All) 100.0
    Mean I Over Sigma(Observed) 3.9
    R-Sym I(Observed) 0.162
    Redundancy 2.8
    Number Unique Reflections(All) 3794
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 14.97
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 25933
    Number of Reflections(Observed) 25104
    Number of Reflections(R-Free) 1254
    Percent Reflections(Observed) 97.1
    R-Factor(All) 0.193
    R-Factor(Observed) 0.175
    R-Work 0.175
    R-Free 0.214
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 20.3
    Anisotropic B[1][1] -3.94
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 4.72
    Anisotropic B[2][2] -5.59
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 9.53
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(Observed) 4017
    Number of Reflections(R-Free) 214
    Number of Reflections(R-Work) 4017
    R-Factor(R-Work) 0.217
    R-Factor(R-Free) 0.259
    R-Free Error 0.018
    Percent Reflections(Observed) 97.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.04
    c_scbond_it 2.09
    c_mcangle_it 1.96
    c_mcbond_it 1.27
    c_improper_angle_d 0.74
    c_bond_d 0.005
    c_angle_deg 1.2
    c_dihedral_angle_d 23.1
     
    Coordinate Error
    Luzzati ESD(Observed) 0.19
    Luzzati Sigma A(Observed) 0.16
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.23
    Luzzati Sigma A(R-Free Set) 0.2
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2688
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 487
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution AMORE
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1