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PET hydrolase mutants V53A, C208K, C257S
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 7SH6
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 3.5 289.15 Crystals were grown by sitting-drop vapor diffusion by mixing 0.5 uL of PETase mutant solution (25 mM Tris-HCl, 150 mM NaCl, pH 7.5; 10 mg mL-1) with 0.5 uL of reservoir solution and equilibrating against 60 uL of reservoir. M citric acid pH 3.5, 25% PEG 3350. The optimized condition for AKS was 0.2 M ammonium citrate, 20% PEG 3350.
Crystal Properties Matthews coefficient Solvent content 2.33 47.3
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 51.413 α = 90 b = 132.886 β = 90.13 c = 79.096 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 DECTRIS PILATUS3 6M 2025-09-26 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL18U1 0.97853 SSRF BL18U1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) CC (Half) 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 2.87 51.41 98.35 0.152 0.989 7.7 4.4 24018
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.87 2.973 99.04 0.478 0.622 0.393 0.876 4.1
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 MOLECULAR REPLACEMENT THROUGHOUT 2.87 51.41 22839 1231 98.79 0.22728 0.2252 0.2307 0.26497 0.2742 RANDOM 29.369
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] -1.57 0.34 2.87 -1.3
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 13.456 r_dihedral_angle_2_deg 11.847 r_long_range_B_refined 11.818 r_long_range_B_other 11.792 r_dihedral_angle_1_deg 6.811 r_mcangle_it 2.793 r_mcangle_other 2.793 r_scangle_other 2.531 r_mcbond_it 1.624 r_mcbond_other 1.624
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 13.456 r_dihedral_angle_2_deg 11.847 r_long_range_B_refined 11.818 r_long_range_B_other 11.792 r_dihedral_angle_1_deg 6.811 r_mcangle_it 2.793 r_mcangle_other 2.793 r_scangle_other 2.531 r_mcbond_it 1.624 r_mcbond_other 1.624 r_scbond_it 1.483 r_scbond_other 1.483 r_angle_refined_deg 1.139 r_angle_other_deg 0.412 r_chiral_restr 0.05 r_bond_refined_d 0.004 r_gen_planes_refined 0.004 r_bond_other_d 0.001 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 7768 Nucleic Acid Atoms Solvent Atoms 396 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement PDB_EXTRACT data extraction HKL-3000 data reduction HKL-3000 data scaling PHASER phasing Coot model building