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Crystal structure of human SIRT2 in complex with the covalent adduct of SirReal-triazole inhibitor LG023 and ADP-ribose
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-ADPR] complex (11.4 mg/mL SIRT2, 10 mM NAD+, 3.33 mM of compound LG023 with 3.33 % (v/v) final DMSO concentration) formed after three days, with a reservoir solution containing 25 % (w/v) PEG 3350 and 0.2 M MgCl2 x 6H2O in 0.1 M Tris at pH 8.5.
Crystal Properties Matthews coefficient Solvent content 2.52 51.12
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 102.614 α = 90 b = 47.457 β = 108 c = 74.795 γ = 90
Symmetry Space Group C 1 2 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 1.95 71.14 93 0.083 0.1 0.054 0.997 8.5 3.3 23415
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 1.95 2 99.7 1.161 1.377 0.733 0.511 3.4
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 1.95 71.14 1.34 23390 1157 92.84 0.1797 0.1779 0.1778 0.2143 0.2137
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 5.833 f_angle_d 1.047 f_chiral_restr 0.057 f_plane_restr 0.01 f_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2383 Nucleic Acid Atoms Solvent Atoms 126 Heterogen Atoms 68
Software Software Software Name Purpose PHENIX refinement Aimless data scaling autoPROC data reduction PHASER phasing