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X-RAY DIFFRACTION
Materials and Methods page
9ICF
  •   Crystallization Hide
    Crystallization Experiments
    pH 6.5
    Details THIS ENTRY DESCRIBES THE STRUCTURE THAT RESULTED WHEN A COCRYSTAL OF HUMAN DNA POLYMERASE BETA COMPLEXED WITH 7 BASE PAIRS OF DNA (SEE ENTRY 9ICJ AND REFERENCE 1) HAD BEEN SOAKED IN THE FOLLOWING SOLUTION FOR 24 HOURS: PEG 3350, 16% MES, 100 MILLIMOLAR, PH 6.5 NACL, 150 MILLIMOLAR DATP, 1 MILLIMOLAR ZNCL2, 1 MILLIMOLAR SEE REFERENCE 2 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 179.96 α = 90
    b = 57.62 β = 90
    c = 48.38 γ = 90
     
    Space Group
    Space Group Name:    P 21 21 2
     
     
  •   Diffraction Hide
    Diffraction Experiment
    Diffrn ID 1
    Data Collection Temperature 298
     
    Diffraction Detector
    Detector AREA DETECTOR
    Type SDMS
    Collection Date 1995-03-09
     
    Diffraction Radiation
    Monochromator GRAPHITE
    Diffraction Protocol SINGLE WAVELENGTH
     
    Diffraction Source
    Source ROTATING ANODE
    Type RIGAKU RU200
     
     
  •   Refinement Data Hide
    Reflection Details
    Observed Criterion Sigma(I) 0.0
    Resolution(High) 3
    Resolution(Low) 20
    Number Reflections(Observed) 8969
    Percent Possible(Observed) 84.0
    Redundancy 2.1
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.1
    Percent Possible(All) 74.0
    R-Sym I(Observed) 16.5
    Redundancy 1.6
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIFFERENCE FOURIER
    reflnsShellList 3.0
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 8969
    Percent Reflections(Observed) 84.0
    R-Factor(Observed) 0.163
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    t_nbd 0.025
    t_it 5.8
    t_gen_planes 0.005
    t_trig_c_planes 0.014
    t_incorr_chiral_ct 0.0
    t_dihedral_angle_d 19.1
    t_angle_deg 3.0
    t_bond_d 0.019
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2623
    Nucleic Acid Atoms 299
    Heterogen Atoms 18
    Solvent Atoms 132
     
     
  •   Software and Computing Hide
    Computing
    Data Reduction (intensity integration) SDMS
    Data Reduction (data scaling) SDMS
    Structure Solution TNT V. 5-D
    Structure Refinement TNT V. 5-D
     
    Software
    refinement TNT version: 5-D
    model building TNT version: 5-D