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Crystal structure of human SIRT2 in complex with the covalent adduct of peptide triazole inhibitor OTDi1 and ADP-ribose
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4Y6O
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 293 Crystals of the SIRT2-[OTDi1-ADPR] complex (11.0 mg/mL SIRT2, 20 mM NAD+, 5 mM of OTDi1 with 2.5 % (v/v) final DMSO concentration) formed after one day in wells with an equal volume of protein solution and reservoir solution containing 26.5 % (w/v) PEG 3350 in 0.1 M HEPES at pH 7.5.
Crystal Properties Matthews coefficient Solvent content 3.7 66.72
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 88.924 α = 90 b = 88.924 β = 90 c = 133.278 γ = 90
Symmetry Space Group P 43 21 2
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 2024-10-05 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 2.1 88.92 100 0.234 0.239 0.048 0.998 12.7 24.6 31977
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 2.1 2.16 100 1.717 1.756 0.365 0.31 22.6
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 2.1 73.97 1.34 31892 1593 99.92 0.2138 0.2129 0.2143 0.2293 0.2289
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 12.574 f_angle_d 0.62 f_chiral_restr 0.042 f_plane_restr 0.005 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2411 Nucleic Acid Atoms Solvent Atoms 78 Heterogen Atoms 1
Software Software Software Name Purpose PHENIX refinement Aimless data scaling autoPROC data reduction PHASER phasing