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X-ray crystal structure of UDP-2,3-diacetamido-2,3-dideoxy-glucuronic acid-2-epimerase from Thermus thermophilus strain HB27, D98N variant in the presence of UDP-2,3-diacetamido-2,3-dideoxy-glucuronic acid and UDP at pH 6
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8SY9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6 293 protein incubated with 5 mM UDP-2,3-diacetamido-2,3-dideoxy-glucuronic acid and 5 mM UDP.
Precipitant used was 22-27% pentaerythritol propoxylate (5/4 PO/OH), 100 mM MES (pH 6)
Crystal Properties Matthews coefficient Solvent content 2.33 47.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 56.717 α = 90 b = 128.061 β = 112.61 c = 58.364 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL Bruker PHOTON II 2023-03-04 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SEALED TUBE BRUKER D8 QUEST 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 1.9 50 97.5 0.097 11.1 6.4 58879
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 2 86.8 0.44 2.4 2.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION FOURIER SYNTHESIS THROUGHOUT 1.9 41.23 56098 2781 97.48 0.20025 0.19863 0.2055 0.23199 0.2375 RANDOM 24.542
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] 0.01 -0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 16.384 r_dihedral_angle_2_deg 10.092 r_dihedral_angle_1_deg 6.572 r_long_range_B_refined 5.767 r_long_range_B_other 5.736 r_scangle_other 4.431 r_mcangle_it 3.185 r_mcangle_other 3.185 r_scbond_it 2.807 r_scbond_other 2.797
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 16.384 r_dihedral_angle_2_deg 10.092 r_dihedral_angle_1_deg 6.572 r_long_range_B_refined 5.767 r_long_range_B_other 5.736 r_scangle_other 4.431 r_mcangle_it 3.185 r_mcangle_other 3.185 r_scbond_it 2.807 r_scbond_other 2.797 r_mcbond_it 2.138 r_mcbond_other 2.132 r_angle_refined_deg 1.534 r_angle_other_deg 0.523 r_chiral_restr 0.073 r_bond_refined_d 0.008 r_gen_planes_refined 0.008 r_bond_other_d 0.002 r_gen_planes_other 0.001 r_dihedral_angle_4_deg r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5674 Nucleic Acid Atoms Solvent Atoms 301 Heterogen Atoms 138
Software Software Software Name Purpose REFMAC refinement SAINT data reduction SADABS data scaling REFMAC phasing