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X-RAY DIFFRACTION
Materials and Methods page
1RZ7
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.6
    Temperature 293.0
    Details 8.3% PEG4000, 8.3% isopropanol, 0.33M NaCl, 0.04M sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 63.49 α = 90
    b = 72.95 β = 90
    c = 101.92 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
    Type ADSC QUANTUM 4
    Collection Date 2001-03-15
     
    Diffraction Radiation
    Monochromator KOHZU double crystal monochromator with a sagitally focused second crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4A
    Wavelength List 0.9794
    Site NSLS
    Beamline X4A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2
    Resolution(Low) 20
    Number Reflections(All) 32647
    Number Reflections(Observed) 32647
    Percent Possible(Observed) 100.0
    B(Isotropic) From Wilson Plot 14.2
     
    High Resolution Shell Details
    Resolution(High) 2.0
    Resolution(Low) 2.07
    Percent Possible(All) 100.0
    R-Sym I(Observed) 0.254
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.0
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 32596
    Number of Reflections(Observed) 32562
    Number of Reflections(R-Free) 3247
    Percent Reflections(Observed) 99.8
    R-Factor(Observed) 0.2011
    R-Work 0.201
    R-Free 0.231
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 29.8
    Anisotropic B[1][1] 2.74
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -4.44
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 1.7
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.0
    Shell Resolution(Low) 2.13
    Number of Reflections(R-Free) 531
    Number of Reflections(R-Work) 4814
    R-Factor(R-Work) 0.222
    R-Factor(R-Free) 0.255
    R-Free Error 0.011
    Percent Reflections(Observed) 99.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.16
    c_scbond_it 2.1
    c_mcangle_it 2.28
    c_mcbond_it 1.44
    c_improper_angle_d 0.8
    c_dihedral_angle_d 26.8
    c_angle_deg 1.4
    c_bond_d 0.005
     
    Coordinate Error
    Luzzati ESD(Observed) 0.22
    Luzzati Sigma A(Observed) 0.13
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.26
    Luzzati Sigma A(R-Free Set) 0.17
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3260
    Nucleic Acid Atoms 0
    Heterogen Atoms 12
    Solvent Atoms 240
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution AMORE
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building AMoRE
    data reduction SCALEPACK
    data collection DENZO