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X-RAY DIFFRACTION
Materials and Methods page
8ICX
  •   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 5 MINUTES: PEG 3350, 16% MES, 100 MILLIMOLAR, PH 6.5 NACL, 150 MILLIMOLAR DTTP, 1 MILLIMOLAR MNCL2, 5 MILLIMOLAR SEE REFERENCE 2 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 179.69 α = 90
    b = 57.67 β = 90
    c = 48.13 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 1995-03-20
     
    Diffraction Radiation
    Monochromator GRAPHITE
     
    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) 9629
    Percent Possible(Observed) 91.0
    Redundancy 1.9
     
    High Resolution Shell Details
    Resolution(High) 3.0
    Resolution(Low) 3.1
    Percent Possible(All) 87.0
    R-Sym I(Observed) 0.145
    Redundancy 1.4
     
     
  •   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) 9629
    Percent Reflections(Observed) 91.0
    R-Factor(Observed) 0.161
     
    Temperature Factor Modeling
    Data Not Available
     
    RMS Deviations
    Parameter Type Deviation from Ideal
    t_nbd 0.024
    t_it 5.9
    t_gen_planes 0.006
    t_trig_c_planes 0.016
    t_incorr_chiral_ct 0.0
    t_dihedral_angle_d 18.9
    t_angle_deg 2.9
    t_bond_d 0.018
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2623
    Nucleic Acid Atoms 289
    Heterogen Atoms 24
    Solvent Atoms 134
     
     
  •   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