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An Information Portal to 105097 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
1PQ2
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, SITTING DROP
    pH 7.5
    Temperature 298.0
    Details ETHANOL, PEG 4000, HEPES, SODIUM CHLORIDE, CYMAL-6 , pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 105.99 α = 90
    b = 137.4 β = 112.51
    c = 97.32 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 IMAGE PLATE
    Type MAR scanner 345 mm plate
    Collection Date 2002-12-13
     
    Diffraction Radiation
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source SYNCHROTRON
    Type SSRL BEAMLINE BL7-1
    Wavelength List 1.08
    Site SSRL
    Beamline BL7-1
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma (F) 0.0
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 2.6
    Number Reflections(All) 82164
    Number Reflections(Observed) 38682
    Percent Possible(Observed) 97.9
    Redundancy 2.1
     
    High Resolution Shell Details
    Resolution(High) 2.6
    Resolution(Low) 2.67
    Percent Possible(All) 97.4
    Mean I Over Sigma(Observed) 1.3
    Redundancy 2.1
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 2.7
    Resolution(Low) 50.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 81039
    Number of Reflections(Observed) 34573
    Number of Reflections(R-Free) 1751
    Percent Reflections(Observed) 97.8
    R-Factor(All) 0.249
    R-Factor(Observed) 0.248
    R-Work 0.248
    R-Free 0.288
    R-Free Selection Details RANDOM
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 1.56201
    c_dihedral_angle_d 23.0323
    c_angle_deg 1.65176
    c_bond_d 0.010994
     
    Coordinate Error
    Luzzati ESD(Observed) 0.4226
    Luzzati Sigma A(Observed) 0.4933
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.497
    Luzzati Sigma A(R-Free Set) 0.5489
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 7386
    Nucleic Acid Atoms 0
    Heterogen Atoms 127
    Solvent Atoms 37
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) MOSFLM
    Data Reduction (data scaling) CCP4 (SCALA)
    Structure Solution CNS
    Structure Refinement CNS
     
    Software
    refinement CNS
    model building CNS
    data reduction SCALA
    data collection MOSFLM