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GSK-503 was designed by performing high-throughput screening for EZH2 methyltransferase inhibiting compounds followed by chemical optimization.In a melanoma mouse model, conditional Ezh2 ablation as much as treatment with the preclinical EZH2 inhibitor GSK503 stabilizes the disease through inhibition of growth and virtually abolishes metastases formation without affecting normal melanocyte biology.GSK-503 inhibits the methyltransferase activity of WT and mutant EZH2 with similar potency and is structurally related to GSK-126 and GSK-343. GSK-503 was > 200 fold selective over EZH1 (Kappi=636nM) and > 4000 fold selective over other histone methyltransferases.
| Molecular Weight | 526.67 |
| Formula | C31H38N6O2 |
| CAS Number | 1346572-63-1 |
| Solubility (25°C) | DMSO 44 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Related Histone Methyltransferase Products |
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| WDR5-IN-4
WDR5-IN-4 is an inhibitor of the WIN site of chromatin-associated WD repeat-containing protein 5 (WDR5), with a Kd of 0.1 nM. WDR5-IN-4 displaces WDR5 from chromatin and decreases the expression of associated genes, causing translational inhibition, nucleolar stress. Anti-cancer activity. |
| CMP-5 dihydrochloride
CMP-5 dihydrochloride is a potent, specific, and selective PRMT5 inhibitor, while displays no activity against PRMT1, PRMT4, and PRMT7 enzymes. CMP-5 dihydrochloride selectively blocks S2Me-H4R3 by inhibiting PRMT5 methyltransferase activity on histone preparations. |
| MS67
MS67 is a potent and selective WD40 repeat domain protein 5 (WDR5) degrader with a Kd of 63 nM. |
| MS8511
MS8511 is a selective G9a/GLP covalent irreversible inhibitor by targeting a cysteine residue at the substrate binding site, with IC50 values of 100 nM (G9a) and 140 nM (GLP), and Kd values of 44 nM (G9a) and 46 nM (GLP). |
| TM2-115
TM2-115 inhibits malaria parasite histone methyltransferases, resulting in rapid and irreversible parasite death. |
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