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Apexbio Technology LLC UNC1999(Synonyms: UNC-1999, UNC 1999, EZH2 inhibitor UNC1999, EZH2-IN-UNC1999, EZH2-IN3), 10mM (in 1mL DMSO), CAS: 1431612-23-5.

Supplier: Apexbio Technology LLC B15835.1

UNC1999 (CAS 1431612-23-5) is a small molecule inhibitor targeting EZH2 and EZH1 enzymes responsible for methylating lysine 27 on histone H3 (H3K27me3) a modification associated with transcriptional suppression It inhibits EZH2 and EZH1 with IC50 values of 2 nM and 45 nM respectively binding at the enzyme s SAM cofactor binding site but not competing with histone substrate UNC1999 reduces cellular H3K27me3 levels (IC50 124 nM) and inhibits proliferation of DLBCL cells harboring EZH2 Y641N mutation (EC50 633 nM) It exhibits oral bioavailability in mouse studies supporting its utility as a research probe for investigating EZH-mediated epigenetic regulation
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