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X-RAY DIFFRACTION
Materials and Methods page
1RZK
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 5.9
    Temperature 293.0
    Details 0.5 UL OF PROTEIN (5 MG/ML IN 0.35 M NACL, 0.005 M TRIS CL PH 7.0) + 0.35 UL OF RESERVOIR (50 UL OF NA ACETATE PH 4.5 + 250 UL OF HAMPTON CRYSTAL SCREEN REAGENT 18 + 126 UL OF ETHANOL + 292 UL OF WATER), pH 5.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 174.98 α = 90
    b = 81.71 β = 90.37
    c = 74.48 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
    Collection Date 2000-04-26
     
    Diffraction Radiation
    Monochromator SILICON CRYSTAL
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4A
    Wavelength 0.9721
    Wavelength List 0.9721
    Site NSLS
    Beamline X4A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.9
    Resolution(Low) 20
    Number Reflections(Observed) 23464
    Percent Possible(Observed) 98.5
    R Merge I(Observed) 0.093
    B(Isotropic) From Wilson Plot 86.0
    Redundancy 4.37
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.0
    Percent Possible(All) 97.1
    R Merge I(Observed) 0.439
    Mean I Over Sigma(Observed) 2.33
    R-Sym I(Observed) 0.439
    Redundancy 3.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.9
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 23033
    Number of Reflections(R-Free) 1160
    Percent Reflections(Observed) 98.6
    R-Factor(All) 0.205
    R-Factor(Observed) 0.205
    R-Work 0.205
    R-Free 0.297
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 66.7
    Anisotropic B[1][1] 5.43
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] -0.06
    Anisotropic B[2][2] 8.72
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] -14.15
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.9
    Shell Resolution(Low) 3.08
    Number of Reflections(R-Free) 203
    Number of Reflections(R-Work) 3554
    R-Factor(R-Work) 0.301
    R-Factor(R-Free) 0.366
    R-Free Error 0.026
    Percent Reflections(Observed) 97.4
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 2.81
    c_scbond_it 1.71
    c_mcangle_it 2.76
    c_mcbond_it 1.54
    c_improper_angle_d 0.83
    c_bond_d 0.008
    c_angle_deg 1.6
    c_dihedral_angle_d 25.7
     
    Coordinate Error
    Luzzati ESD(Observed) 0.33
    Luzzati Sigma A(Observed) 0.51
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.49
    Luzzati Sigma A(R-Free Set) 0.62
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7166
    Nucleic Acid Atoms 0
    Heterogen Atoms 196
    Solvent Atoms 344
     
     
  •   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