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ID: ALA4732170
Journal: J Med Chem
Title: Discovery of Small-Molecule Antagonists of the PWWP Domain of NSD2.
Authors: Ferreira de Freitas R,Liu Y,Szewczyk MM,Mehta N,Li F,McLeod D,Zepeda-Velázquez C,Dilworth D,Hanley RP,Gibson E,Brown PJ,Al-Awar R,James LI,Arrowsmith CH,Barsyte-Lovejoy D,Min J,Vedadi M,Schapira M,Allali-Hassani A
Abstract: Increased activity of the lysine methyltransferase NSD2 driven by translocation and activating mutations is associated with multiple myeloma and acute lymphoblastic leukemia, but no NSD2-targeting chemical probe has been reported to date. Here, we present the first antagonists that block the protein-protein interaction between the N-terminal PWWP domain of NSD2 and H3K36me2. Using virtual screening and experimental validation, we identified the small-molecule antagonist 3f, which binds to the NSD2-PWWP1 domain with a K of 3.4 μM and abrogates histone H3K36me2 binding to the PWWP1 domain in cells. This study establishes an alternative approach to targeting NSD2 and provides a small-molecule antagonist that can be further optimized into a chemical probe to better understand the cellular function of this protein.
CiteXplore: 33522809