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Open data
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Basic information
| Entry | Database: PDB / ID: 8s4w | ||||||
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| Title | Tankyrase 2 in complex with a quinazolin-4-one inhibitor | ||||||
Components | (Poly [ADP-ribose] polymerase tankyrase- ...) x 2 | ||||||
Keywords | TRANSFERASE / Inhibitor / Tankyrase 2 | ||||||
| Function / homology | Function and homology informationXAV939 stabilizes AXIN / positive regulation of telomere capping / NAD+ ADP-ribosyltransferase / negative regulation of telomere maintenance via telomere lengthening / protein auto-ADP-ribosylation / protein localization to chromosome, telomeric region / NAD+-protein-aspartate ADP-ribosyltransferase activity / protein poly-ADP-ribosylation / NAD+-protein-glutamate ADP-ribosyltransferase activity / NAD+-protein mono-ADP-ribosyltransferase activity ...XAV939 stabilizes AXIN / positive regulation of telomere capping / NAD+ ADP-ribosyltransferase / negative regulation of telomere maintenance via telomere lengthening / protein auto-ADP-ribosylation / protein localization to chromosome, telomeric region / NAD+-protein-aspartate ADP-ribosyltransferase activity / protein poly-ADP-ribosylation / NAD+-protein-glutamate ADP-ribosyltransferase activity / NAD+-protein mono-ADP-ribosyltransferase activity / pericentriolar material / Transferases; Glycosyltransferases; Pentosyltransferases / NAD+ poly-ADP-ribosyltransferase activity / positive regulation of telomere maintenance via telomerase / nucleotidyltransferase activity / TCF dependent signaling in response to WNT / Degradation of AXIN / Wnt signaling pathway / Regulation of PTEN stability and activity / protein polyubiquitination / positive regulation of canonical Wnt signaling pathway / nuclear envelope / chromosome, telomeric region / Ub-specific processing proteases / Golgi membrane / perinuclear region of cytoplasm / enzyme binding / metal ion binding / nucleus / cytoplasm / cytosol Similarity search - Function | ||||||
| Biological species | Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.12 Å | ||||||
Authors | Bosetti, C. / Lehtio, L. | ||||||
| Funding support | Finland, 1items
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Citation | Journal: Eur.J.Med.Chem. / Year: 2025Title: Substitutions at the C-8 position of quinazolin-4-ones improve the potency of nicotinamide site binding tankyrase inhibitors. Authors: Bosetti, C. / Kampasis, D. / Brinch, S.A. / Galera-Prat, A. / Karelou, M. / Dhakar, S.S. / Alaviuhkola, J. / Waaler, J. / Lehtio, L. / Kostakis, I.K. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 8s4w.cif.gz | 116.2 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb8s4w.ent.gz | Display | PDB format | |
| PDBx/mmJSON format | 8s4w.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 8s4w_validation.pdf.gz | 778 KB | Display | wwPDB validaton report |
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| Full document | 8s4w_full_validation.pdf.gz | 779.3 KB | Display | |
| Data in XML | 8s4w_validation.xml.gz | 12.7 KB | Display | |
| Data in CIF | 8s4w_validation.cif.gz | 16.2 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/s4/8s4w ftp://data.pdbj.org/pub/pdb/validation_reports/s4/8s4w | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 8s4vC ![]() 8s4xC ![]() 8s60C ![]() 9fegC C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-Poly [ADP-ribose] polymerase tankyrase- ... , 2 types, 2 molecules AE
| #1: Protein | Mass: 19482.053 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: Chymotrypsin was included in the crystallization mixture. Consequently, there aren't missing residues, but a cut in the protein chain. Source: (gene. exp.) Homo sapiens (human) / Gene: TNKS2, PARP5B, TANK2, TNKL / Production host: ![]() References: UniProt: Q9H2K2, NAD+ ADP-ribosyltransferase, Transferases; Glycosyltransferases; Pentosyltransferases |
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| #2: Protein/peptide | Mass: 5364.037 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: Chymotrypsin was included in the crystallization mixture. Consequently, there aren't missing residues, but a cut in the protein chain. Source: (gene. exp.) Homo sapiens (human) / Gene: TNKS2, PARP5B, TANK2, TNKL / Production host: ![]() References: UniProt: Q9H2K2, NAD+ ADP-ribosyltransferase, Transferases; Glycosyltransferases; Pentosyltransferases |
-Non-polymers , 4 types, 90 molecules 




| #3: Chemical | ChemComp-A1H44 / ( Mass: 381.425 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C21H23N3O4 / Feature type: SUBJECT OF INVESTIGATION | ||
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| #4: Chemical | ChemComp-ZN / | ||
| #5: Chemical | | #6: Water | ChemComp-HOH / | |
-Details
| Has ligand of interest | Y |
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| Has protein modification | N |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.69 Å3/Da / Density % sol: 54.32 % |
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| Crystal grow | Temperature: 277.15 K / Method: vapor diffusion, sitting drop Details: 100 mM Tris pH 8.5, 22% PEG3350, 200 mM Li2SO4, 250 mM NaCl, 20% glycerol |
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: MASSIF-3 / Wavelength: 0.9677 Å |
| Detector | Type: DECTRIS EIGER X 4M / Detector: PIXEL / Date: Nov 21, 2023 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.9677 Å / Relative weight: 1 |
| Reflection | Resolution: 2.12→50 Å / Num. obs: 16027 / % possible obs: 99.5 % / Redundancy: 12.659 % / Biso Wilson estimate: 43.67 Å2 / CC1/2: 0.997 / Net I/σ(I): 10.11 |
| Reflection shell | Resolution: 2.12→2.25 Å / Num. unique obs: 33204 / CC1/2: 0.797 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.12→44.7 Å / SU ML: 0.3526 / Cross valid method: FREE R-VALUE / σ(F): 1.35 / Phase error: 26.9146 Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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| Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 48.37 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||
| Refinement step | Cycle: LAST / Resolution: 2.12→44.7 Å
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| LS refinement shell |
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About Yorodumi




Homo sapiens (human)
X-RAY DIFFRACTION
Finland, 1items
Citation



PDBj






