GSK126 --- EZH2 Methyltransferase Inhibitor


Catalog No. size PriceQuantity
M60071-2S 2mg solid $129
M60071-50S 50mg solid $590

Description

GSK126 is a highly potent and selective small molecule inhibitor of histone methyltransferase EZH2. It potently inhibits both wild-type and mutant EZH2 methyltransferase activity with similar potencies (Kiapp 0.5–3 nM), independent of substrate used, and is competitive with S-adenosylmethionine (SAM) and non-competitive with peptide substrates. GSK126 is highly selective against other methyltransferases and multiple other protein classes, even 150-fold more selective for the closest EZH1 (Kiapp89 nM) and more than 1, 000-fold selective for 20 other human methyltransferases, including both SET-domain-containing and non-SET domain-containing methyltransferases. It induced a 50% loss of H3K27me3 in both EZH2 wild-type and mutant DLBCL cell lines at nM concentrations independent of EZH2 mutation status. GSK126 can decrease global H3K27me3 levels and reactivate silenced PRC2 target genes. It effectively inhibits the proliferation of EZH2 mutant DLBCL cell lines, and markedly inhibits the growth of EZH2 mutant DLBCL xenografts in mice. Pharmacological inhibition of EZH2 activity may provide a promising treatment for EZH2 mutant lymphoma.

Product information

CAS Number: 1346574-57-9

Molecular Weight: 526.67

Formula: C31H38N6O2

Chemical Name: (S)-1-sec-butyl-N-((4, 6-dimethyl-2-oxo-1, 2-dihydropyridin-3-yl)methyl)-3-methyl-6-(6-(piperazin-1-yl)pyridin-3-yl)-1H-indole-4-carboxamide

Smiles: CC[C@H](C)N1C=C(C)C2C1=CC(=CC=2C(=O)NCC1C(=O)NC(C)=CC=1C)C1=CN=C(C=C1)N1CCNCC1

InChiKey: FKSFKBQGSFSOSM-QFIPXVFZSA-N

InChi: InChI=1S/C31H38N6O2/c1-6-22(5)37-18-20(3)29-25(30(38)34-17-26-19(2)13-21(4)35-31(26)39)14-24(15-27(29)37)23-7-8-28(33-16-23)36-11-9-32-10-12-36/h7-8,13-16,18,22,32H,6,9-12,17H2,1-5H3,(H,34,38)(H,35,39)/t22-/m0/s1

Technical Data

Appearance: Solid Power.

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO up to 100 mM

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined.

HS Tariff Code: 382200

How to use

In Vitro:

GSK126 was used at 0.5-2 µM final concentration in vitro and in cellular assays.

In Vivo:

GSK126 was intraperitoneally (IP) dosed to mice at 50-150 mg/kg once per day, or 300 mg/kg twice per week in subcutaneous xenografts of KARPAS-422 and Pfeiffer cells.

References:

  1. McCabe MT, et al. EZH2 inhibition as a therapeutic strategy for lymphoma with EZH2-activating mutations. (2012) Nature.492(7427):108-12.

Products are for research use only. Not for human use.


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