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X-RAY DIFFRACTION
Materials and Methods page
9ICS
  •   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 6 BASE PAIRS OF DNA (SEE ENTRY 9ICW 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 DDCTP, 10 MILLIMOLAR MNCL2, 10 MILLIMOLAR SEE REFERENCE 2 FOR DETAILS CONCERNING EXPERIMENTAL PROCEDURES, RESULTS, AND DISCUSSION FOR THIS STRUCTURE.
     
  •   Crystal Data Hide
    Unit Cell
    Length    (Å) Angle    (°)
    a = 178.87 α = 90
    b = 57.67 β = 90
    c = 48.48 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 1995-04-01
     
    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) 2.9
    Resolution(Low) 20
    Number Reflections(Observed) 10898
    Percent Possible(Observed) 93.0
    Redundancy 1.8
     
    High Resolution Shell Details
    Resolution(High) 2.9
    Resolution(Low) 3.0
    Percent Possible(All) 90.0
    R-Sym I(Observed) 15.1
    Redundancy 1.3
     
     
  •   Refinement Hide
    Refinement Statistics
    Structure Solution Method DIFFERENCE FOURIER
    reflnsShellList 2.9
    Resolution(Low) 20.0
    Cut-off Sigma(F) 0.0
    Number of Reflections(Observed) 10898
    Percent Reflections(Observed) 93.0
    R-Factor(Observed) 0.165
     
    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 0.015
    t_incorr_chiral_ct 0.0
    t_dihedral_angle_d 19.0
    t_angle_deg 3.0
    t_bond_d 0.02
     
    Number of Non-Hydrogen Atoms Used in Refinement
    Protein Atoms 2623
    Nucleic Acid Atoms 248
    Heterogen Atoms 31
    Solvent Atoms 146
     
     
  •   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