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An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1IQ1
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 291.0
    Details sodium phosphate, DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 78.94 α = 90
    b = 89.62 β = 90
    c = 100.37 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 IMAGE PLATE
    Type MARRESEARCH
    Collection Date 1999-06-01
     
    Diffraction Radiation
    Monochromator Mirror optics
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
    Wavelength List 1.54
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 2.8
    Resolution(Low) 30
    Number Reflections(Observed) 17671
    Percent Possible(Observed) 97.5
    R Merge I(Observed) 0.124
    Redundancy 7.8
     
    High Resolution Shell Details
    Resolution(High) 2.8
    Resolution(Low) 2.9
    Percent Possible(All) 96.9
    R Merge I(Observed) 0.561
    Mean I Over Sigma(Observed) 1.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method FOURIER SYNTHESIS
    reflnsShellList 2.8
    Resolution(Low) 30.0
    Cut-off Sigma(I) 0.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 18116
    Number of Reflections(Observed) 17671
    Number of Reflections(R-Free) 850
    Percent Reflections(Observed) 97.6
    R-Work 0.209
    R-Free 0.248
     
    Temperature Factor Modeling
    Data Not Available
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 2.8
    Shell Resolution(Low) 2.9
    Number of Reflections(Observed) 2755
    R-Factor(R-Work) 0.315
    R-Factor(R-Free) 0.335
    Percent Reflections(Observed) 97.8
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_angle_deg 1.2
    c_bond_d 0.007
     
    Coordinate Error
    Luzzati ESD(Observed) 0.34
    Luzzati Sigma A(Observed) 0.45
    Luzzati ESD(R-Free Set) 0.39
    Luzzati Sigma A(R-Free Set) 0.47
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 3377
    Nucleic Acid Atoms 0
    Heterogen Atoms 0
    Solvent Atoms 95
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building CNS