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Crystallographic and Enzymatic Studies of an Active Site Variant H187Q of Escherichia Coli Uracil DNA Glycosylase: Crystal Structures of Mutant H187Q and its Uracil Complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3EUG
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8.5 PROTEIN CONCENTRATION 14.9 MG/ML, 0.2 M SODIUM ACETATE, 30% PEG4000, 0.1 M
TRIS BUFFER, PH 8.5 USING HANGING DROP AT 293K.
Crystal Properties Matthews coefficient Solvent content 2.05 39.9
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.1 α = 90 b = 59 β = 90 c = 63.8 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD BRUKER 1998-07-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID APS 17-ID
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 1.4 99 100 0.105 18.7 4.4 77493 1.5
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.4 1.49 100 0.32 4.5 4.2
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 3EUG 1.4 99 2 32530 79.6 0.179 0.1728
Temperature Factor Modeling Anisotropic B[1][1] Anisotropic B[1][2] Anisotropic B[1][3] Anisotropic B[2][2] Anisotropic B[2][3] Anisotropic B[3][3]
Coordinate Error Structure Solution Method Refinement High Resolution Refinement Low Resolution 2087
RMS Deviations Key Refinement Restraint Deviation s_zero_chiral_vol 0.065 s_similar_adp_cmpnt 0.063 s_non_zero_chiral_vol 0.06 s_angle_d 0.028 s_from_restr_planes 0.028 s_anti_bump_dis_restr 0.018 s_bond_d 0.01 s_similar_dist s_rigid_bond_adp_cmpnt s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1789 Nucleic Acid Atoms Solvent Atoms 298 Heterogen Atoms
Software Software Software Name Purpose SHELXS phasing SHELXL-97 refinement X-GEN data reduction X-GEN data scaling