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Crystal structure of human SIRT2 in complex with SirReal-triazole inhibitor LG023
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8OWZ
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 Crystals of the SIRT2-LG023 complex (11.4 mg/mL SIRT2, 3.33 mM of LG023 with 3.33 % (v/v) final DMSO concentration) formed after one day via microseed matrix screening using crystals from the SIRT2-Mz242 complex (PDB 8OWZ) in wells with equal volume of protein solution and reservoir solution containing 32% (w/v) PEG MME 2000 in 0.1 M Bis-Tris at pH 6.5.
Crystal Properties Matthews coefficient Solvent content 2.13 42.36
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 35.949 α = 90 b = 73.91 β = 95.06 c = 55.495 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 EIGER X 9M 2024-03-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID30B 0.8731 ESRF ID30B
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rrim I (All) Rpim I (All) 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 1.55 55.28 92.1 0.069 0.075 0.029 0.999 14.5 6.4 38648
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 1.55 1.58 100 0.957 1.048 0.421 0.675 6.1
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1.55 44.27 1.35 38619 1946 92.08 0.1735 0.1719 0.1722 0.2036 0.2038
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]
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 13.37 f_angle_d 0.837 f_chiral_restr 0.05 f_plane_restr 0.008 f_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2314 Nucleic Acid Atoms Solvent Atoms 218 Heterogen Atoms 39
Software Software Software Name Purpose PHENIX refinement Aimless data scaling autoPROC data reduction PHASER phasing