POP-OUT | CLOSE

An Information Portal to 105339 Biological Macromolecular Structures

X-RAY DIFFRACTION
Materials and Methods page
2G94
  •   Crystallization Hide
    Crystallization Experiments
    Method VAPOR DIFFUSION, HANGING DROP
    pH 6.5
    Temperature 290.0
    Details Apo enzyme crystal was obtained at 15% PEG 8000, PH 6.5 in Sodium Cacodylate buffer. The apo enzyme crystal was soaked in concentrated inhibitor solution to make the enzyme/inhibitor complex crystal for X-ray data collection, VAPOR DIFFUSION, HANGING DROP, temperature 290K
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 86.63 α = 90
    b = 131.02 β = 97.39
    c = 88.24 γ = 90
     
    Space Group
    Space Group Name:    P 1 21 1
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 100
     
    Diffraction Detector
    Detector IMAGE PLATE
    Type RIGAKU RAXIS IV
    Collection Date 2003-09-19
     
    Diffraction Radiation
    Monochromator Ni MIRROR + Ni FILTER
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU300
    Wavelength List 1.5418
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) -3.0
    Resolution(High) 1.86
    Resolution(Low) 46.38
    Number Reflections(All) 163375
    Number Reflections(Observed) 161086
    Percent Possible(Observed) 98.6
    R Merge I(Observed) 0.068
    B(Isotropic) From Wilson Plot 20.8
    Redundancy 3.7
     
    High Resolution Shell Details
    Resolution(High) 1.86
    Resolution(Low) 1.93
    Percent Possible(All) 93.7
    R Merge I(Observed) 0.335
    Mean I Over Sigma(Observed) 3.4
    Number Unique Reflections(All) 15349
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method MOLECULAR REPLACEMENT
    reflnsShellList 1.86
    Resolution(Low) 46.38
    Cut-off Sigma(F) 0.0
    Number of Reflections(all) 163375
    Number of Reflections(Observed) 154719
    Number of Reflections(R-Free) 12324
    Percent Reflections(Observed) 94.7
    R-Factor(All) 0.199
    R-Factor(Observed) 0.199
    R-Work 0.199
    R-Free 0.227
    R-Free Selection Details random
     
    Temperature Factor Modeling
    Data Not Available
     
    Resolution Shells
    Refinement method X-RAY DIFFRACTION
    Shell Resolution(High) 1.86
    Shell Resolution(Low) 1.98
    Number of Reflections(Observed) 21285
    Number of Reflections(R-Free) 11836
    R-Factor(R-Work) 0.259
    R-Factor(R-Free) 0.284
    R-Free Error 0.007
    Percent Reflections(Observed) 85.2
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    c_improper_angle_d 0.89
    c_dihedral_angle_d 25.3
    c_angle_deg 1.5
    c_bond_d 0.009
     
    Coordinate Error
    Luzzati ESD(Observed) 0.21
    Luzzati Sigma A(Observed) 0.15
    Luzzati Resolution Cutoff(Low) 5.0
    Luzzati ESD(R-Free Set) 0.24
    Luzzati Sigma A(R-Free Set) 0.19
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 12212
    Nucleic Acid Atoms 0
    Heterogen Atoms 180
    Solvent Atoms 853
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) DENZO
    Data Reduction (data scaling) SCALEPACK
    Structure Solution CNS
    Structure Refinement CNS 1.1
     
    Software
    refinement CNS version: 1.1
    model building CNS
    data reduction SCALEPACK
    data collection DENZO