4f1q

Human Artd8 (Parp14, Bal2) - catalytic domain in complex with A16(E)

spinqualitylabelsall models 4f1q, resolution 2.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 4f1q is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.8Å Ligands: 0RZ, NO3 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function PAR14_HUMAN Enhances STAT6-dependent transcription (By similarity). Has ADP-ribosyltransferase activity. Publication Abstract from PubMed The diphtheria toxin-like ADP-ribosyltransferases (ARTDs) are an enzyme family that catalyzes the transfer of ADP-ribose units onto substrate proteins by using nicotinamide adenine dinucleotide (NAD(+)) as a cosubstrate. They have a documented role in chromatin remodelling and DNA repair, and inhibitors of ARTD1 and 2 (PARP1 and 2) are currently in clinical trials for the treatment of cancer. The detailed function of most other ARTDs is still unknown. By using virtual screening, we identified small ligands of ARTD7 (PARP15/BAL3) and ARTD8 (PARP14/BAL2). Thermal-shift assays confirmed that 16 compounds, belonging to eight structural classes, bound to ARTD7/ARTD8. Affinity measurements with isothermal titration calorimetry for two isomers of the most promising hit compound confirmed binding in the low micromolar range to ARTD8. Crystal structures showed anchoring of the hits in the nicotinamide pocket. These results form a starting point in the development of chemical tools for the study of the role and function of ARTD7 and ARTD8. Discovery of Ligands for ADP-Ribosyltransferases via Docking-Based Virtual Screening.,Andersson CD, Karlberg T, Ekblad T, Lindgren AE, Thorsell AG, Spjut S, Uciechowska U, Niemiec MS, Wittung-Stafshede P, Weigelt J, Elofsson M, Schuler H, Linusson A J Med Chem. 2012 Aug 20. PMID:22823910 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Poly(ADP-ribose) polymerase 3D structures

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