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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
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 = 54.4 α = 90 b = 59.4 β = 90 c = 64.2 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 AREA DETECTOR BRUKER 1998-09-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE BRUKER
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 1.6 99 92.4 0.076 11.4 4.9 126877
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 1.6 1.658 58 0.3 2.1 1.5
Refinement Statistics Diffraction ID Structure Solution Method 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 AB INITIO 1.6 99 2 23381 83.2 0.178 0.2323
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_similar_adp_cmpnt 0.073 s_non_zero_chiral_vol 0.037 s_zero_chiral_vol 0.034 s_from_restr_planes 0.024 s_angle_d 0.022 s_anti_bump_dis_restr 0.011 s_bond_d 0.006 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 251 Heterogen Atoms 8
Software Software Software Name Purpose SHELXS phasing SHELXL-97 refinement X-GEN data reduction X-GEN data scaling