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X-RAY DIFFRACTION
Materials and Methods page
1RZF
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 7.5
    Temperature 293.0
    Details 14% PEG 4000, 7% isopropanol, 0.07M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 64.77 α = 90
    b = 71.61 β = 90
    c = 99.28 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 2002-11-04
     
    Diffraction Radiation
    Monochromator KOHZU double crystal monochromator with a sagittally focused second crystal
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type NSLS BEAMLINE X4A
    Wavelength List 0.9793
    Site NSLS
    Beamline X4A
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.6
    Resolution(Low) 20
    Number Reflections(Observed) 60893
    B(Isotropic) From Wilson Plot 18.4
     
    High Resolution Shell Details
    Resolution(High) 1.6
    Resolution(Low) 1.66
    Percent Possible(All) 89.5
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.7
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 50304
    Number of Reflections(R-Free) 5064
    Percent Reflections(Observed) 97.7
    R-Factor(All) 0.1981
    R-Factor(Observed) 0.1981
    R-Work 0.198
    R-Free 0.232
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Isotropic Thermal Model RESTRAINED
    Mean Isotropic B Value 25.5
    Anisotropic B[1][1] -0.59
    Anisotropic B[1][2] 0.0
    Anisotropic B[1][3] 0.0
    Anisotropic B[2][2] -5.4
    Anisotropic B[2][3] 0.0
    Anisotropic B[3][3] 5.98
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.7
    Shell Resolution(Low) 1.81
    Number of Reflections(R-Free) 793
    Number of Reflections(R-Work) 7111
    R-Factor(R-Work) 0.237
    R-Factor(R-Free) 0.281
    R-Free Error 0.01
    Percent Reflections(Observed) 93.6
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_scangle_it 3.01
    c_scbond_it 2.06
    c_mcangle_it 2.05
    c_mcbond_it 1.31
    c_improper_angle_d 0.83
    c_bond_d 0.005
    c_angle_deg 1.4
    c_dihedral_angle_d 27.3
     
    Coordinate Error
    Luzzati ESD(Observed) 0.19
    Luzzati Sigma A(Observed) 0.13
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.23
    Luzzati Sigma A(R-Free Set) 0.16
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3187
    Nucleic Acid Atoms 0
    Heterogen Atoms 86
    Solvent Atoms 333
     
     
  •   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