Ezh2 Inhibitor II; EI1

Code: 5005610001 D2-231

Biochem/physiol Actions

Reversible: yes

Cell permeable: yes

Primary TargetEzh2/PRC2

General description

A cell-permeable indolocarbox...


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Biochem/physiol Actions

Reversible: yes

Cell permeable: yes

Primary TargetEzh2/PRC2

General description

A cell-permeable indolocarboxamide compound that acts as a potent and selective inhibitor against Ezh2/PRC2 (Polycomb repressive complex 2; Ezh2/SUZ12/EED/AEBP2/RbAP48) HMTase activity (IC50/substrate = 15 nM/H3K27me021-44 and 13 nM/H3K27me221-44, respectively, against human wt or Y641F Ezh2-containing PRC2; [SAM] = 1 µM) in a cofactor SAM-competitive manner, while inhibiting Ezh1/PRC2 only at much higher concentrations (IC50 = 1.34 µM) and exhibiting no potency toward CARM 1, Dot1L, G9a, MLL, NSD3, Set7/9, SETD2, SETD8, SmyD2, or Suv39H2 (IC50 >100 µM). Shown to suppress cellular H3K27 dimethylation and trimethylation (1 to 10 µM) in DLBCL cultures and exhibit antiproliferation activity against DLBCL cell lines with wt or mutant Ezh2 (3.3 µM to 10 µM).Please note that the molecular weight for this compound is batch-specific due to variable water content. Please refer to the vial label or the certificate of analysis for the batch-specific molecular weight. The molecular weight provided represents the baseline molecular weight without water.

A cell-permeable indolocarboxamide compound that acts as a potent and selective inhibitor against Ezh2/PRC2 (Polycomb repressive complex 2; Ezh2/SUZ12/EED/AEBP2/RbAP48) HMTase activity (IC50/substrate = 15 nM/H3K27me021-44 and 13 nM/H3K27me221-44, respectively, against human wt or Y641F Ezh2-containing PRC2; [SAM] = 1 µM) in a cofactor SAM-competitive manner, while inhibiting Ezh1/PRC2 only at much higher concentrations (IC50 = 1.34 µM) and exhibiting no potency toward CARM 1, Dot1L, G9a, MLL, NSD3, Set7/9, SETD2, SETD8, SmyD2, or Suv39H2 (IC50 >100 µM). Shown to selectively suppress cellular H3K27 dimethylation and trimethylation (1 to 10 µM in 1 to 5 days) in DLBCL (diffuse large B cell lymphoma) cultures, but not those of H3K4, H3K9, H3K36, or H3K79. EI1 is shown to exhibit antiproliferation activity against DLBCL cell lines with wt- (by 90% in G401 with 3.3 µM EI1; by 78% in Toledo with 10 µM EI1; 14 d incubation) or mutant- Ezh2 (by >96% in WSU-DLCL2/Y641F, SU-DHL6/Y641N, Karpas422/Y641N, and DB/Y641N cultures with 3.3 µM EI1; by >96% in SU-DHL4 cultures with10 µM EI1; 14 d incubation), while being less effective against MEF (by 40% in 11 days at 3.3 µM) and ineffective toward wt Ezh2-expressing GA10 and OCI-LY19.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Other Notes

Qi, W., et al. 2012. Proc. Natl. Acad. Sci. USA.109, 21360.

Packaging

Packaged under inert gas

10 mg in Glass bottle

Reconstitution

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Warning

Toxicity: Standard Handling (A)

assay≥98% (HPLC)
colorwhite
formsolid
manufacturer/tradenameCalbiochem®
Quality Level100
solubilityDMSO: 10 mg/mL
storage conditionprotect from light, OK to freeze
storage temp.2-8°C
Cas Number1418308-27-6
This product has met the following criteria to qualify for the following awards:



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