8bt8

Notum Inhibitor ARUK3004048

spinqualitylabelsall models 8bt8, resolution 1.28Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8bt8 is a 1 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 1.28Å Ligands: DMS, EDO, NAG, RRI, SO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function NOTUM_HUMAN May deacetylate GlcNAc residues on cell surface glycans. Publication Abstract from PubMed N-Acyl indolines 4 are potent, non-covalent Notum inhibitors developed from a covalent virtual screening hit 2a. The lead compounds were simple to synthesise, achieved excellent potency in a biochemical Notum-OPTS assay and restored Wnt signalling in a cell-based TCF/LEF reporter assay. Multiple high resolution X-ray structures established a common binding mode of these inhibitors with the indoline bound centred in the palmiteolate pocket with key interactions being aromatic stacking and a water mediated hydrogen bond to the oxyanion hole. These N-acyl indolines 4 will be useful tools for use in vitro studies to investigate the role of Notum in disease models, especially when paired with a structurally related covalent inhibitor (e.g. 4w and 2a). Overall, this study highlights the designed switch from covalent to non-covalent Notum inhibitors and so illustrates a complementary approach for hit generation and target inhibition. Designed switch from covalent to non-covalent inhibitors of carboxylesterase Notum activity.,Atkinson BN, Willis NJ, Zhao Y, Patel C, Frew S, Costelloe K, Magno L, Svensson F, Jones EY, Fish PV Eur J Med Chem. 2023 May 5;251:115132. doi: 10.1016/j.ejmech.2023.115132. Epub , 2023 Jan 21. PMID:36934521 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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