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X-RAY DIFFRACTION
Materials and Methods page
1U56
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 293.0
    Details PEG 3350, BIS-TRIS, MgCl2, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 91.61 α = 90
    b = 127.18 β = 95.48
    c = 42.59 γ = 90
     
    Space Group
    Space Group Name:    C 1 2 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector CCD
    Type ADSC QUANTUM 4
    Details mirrors
    Collection Date 2003-07-17
     
    Diffraction Radiation
    Monochromator DOUBLE CRYSTAL SI(111)
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type ALS BEAMLINE 8.2.2
    Wavelength List 1.00
    Site ALS
    Beamline 8.2.2
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 1.9
    Resolution(Low) 50
    Number Reflections(All) 37209
    Number Reflections(Observed) 37209
    Percent Possible(Observed) 97.1
    B(Isotropic) From Wilson Plot 26.1
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 1.97
    Percent Possible(All) 90.3
    Mean I Over Sigma(Observed) 3.6
    R-Sym I(Observed) 0.505
    Number Unique Reflections(All) 3517
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.9
    Resolution(Low) 42.4
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 38650
    Number of Reflections(Observed) 36113
    Number of Reflections(R-Free) 2537
    Percent Reflections(Observed) 94.9
    R-Work 0.225
    R-Free 0.255
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 46.7
    Anisotropic B[1][1] 10.31
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 2.4
    Anisotropic B[2][2] -7.84
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -2.46
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 2.02
    Number of Reflections(R-Free) 355
    Number of Reflections(R-Work) 4867
    R-Factor(R-Work) 0.291
    R-Factor(R-Free) 0.333
    R-Free Error 0.018
    Percent Reflections(Observed) 82.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.56
    c_scbond_it 2.26
    c_mcangle_it 2.45
    c_mcbond_it 1.54
    c_improper_angle_d 1.08
    c_dihedral_angle_d 21.2
    c_angle_deg 1.5
    c_bond_d 0.008
     
    Coordinate Error
    Luzzati ESD(Observed) 0.25
    Luzzati Sigma A(Observed) 0.21
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.29
    Luzzati Sigma A(R-Free Set) 0.24
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3054
    Nucleic Acid Atoms 0
    Heterogen Atoms 87
    Solvent Atoms 188
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) HKL-2000
    Data Reduction (data scaling) SCALEPACK
    Structure Solution MOLREP
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1