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X-RAY DIFFRACTION
Materials and Methods page
1Z55
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 4.6
    Temperature 298.0
    Details sodium chloride, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 79.22 α = 90
    b = 79.22 β = 90
    c = 37.85 γ = 90
     
    Space Group
    Space Group Name:    P 43 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type MAR scanner 345 mm plate
    Collection Date 2004-05-09
     
    Diffraction Radiation
    Monochromator Copper
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Resolution(High) 1.9
    Resolution(Low) 15
    Number Reflections(All) 9824
    Number Reflections(Observed) 8824
    Percent Possible(Observed) 88.7
    B(Isotropic) From Wilson Plot 23.1
    Redundancy 14.1
     
    High Resolution Shell Details
    Resolution(High) 1.9
    Resolution(Low) 2.1
    R Merge I(Observed) 0.0215
    Mean I Over Sigma(Observed) 4.0
    Redundancy 14.1
    Number Unique Reflections(All) 11611
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.9
    Resolution(Low) 15.0
    Cut-off Sigma(I) 2.0
    Number of Reflections(all) 9824
    Number of Reflections(Observed) 8824
    Number of Reflections(R-Free) 1000
    R-Factor(Observed) 0.2181
    R-Work 0.218
    R-Free 0.256
    R-Free Selection Details Random
     
    Temperature Factor Modeling
    Data Not Available
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.9
    Shell Resolution(Low) 2.1
    Number of Reflections(Observed) 9946
    Number of Reflections(R-Free) 1000
    R-Factor(R-Work) 0.2181
    R-Factor(R-Free) 0.2572
    R-Free Error 0.008
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.72
    c_dihedral_angle_d 22.6
    c_angle_deg 1.2
    c_angle_d 0.004
     
    Coordinate Error
    Luzzati ESD(Observed) 0.22
    Luzzati Sigma A(Observed) 0.03
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.26
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 1001
    Nucleic Acid Atoms 0
    Heterogen Atoms 2
    Solvent Atoms 84
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data reduction SCALA
    data collection MOSFLM