+ Open data
Open data
- Basic information
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 information 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 ...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 
 | ||||||
|  Citation |  Journal: Eur.J.Med.Chem. / Year: 2025 Title: 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 visualization
| Structure viewer | Molecule:  Molmil  Jmol/JSmol | 
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- Downloads & links
Downloads & links
- Download
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 | 
- Links
Links
- Assembly
Assembly
| Deposited unit |  
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| 1 | 
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| Unit cell | 
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| Components on special symmetry positions | 
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- Components
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:   Escherichia coli (E. coli) 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:   Escherichia coli (E. coli) 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
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 | 
- Processing
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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| Refine LS restraints | 
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| LS refinement shell | 
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