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Chemical Structure : A947
Catalog No.: PC-49454Not For Human Use, Lab Use Only.
A-947 (A947) is a potent and selective PROTAC targeting SMARCA2, potently degrades SMARCA2 in SW1573 cells with DC50 value of 39 pM, maximal degradation of 96% at 10 nM.
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A-947 (A947) is a potent and selective PROTAC targeting SMARCA2, potently degrades SMARCA2 in SW1573 cells with DC50 value of 39 pM, maximal degradation of 96% at 10 nM.
A947 is designed by binding the bromodomains of SMARCA2/4 and PBRM1 to a VHL-targeting moiety, shows binding affinity to the SMARCA2 and SMARCA4 bromodomains with Kd of 93 and 65 nM, respectively.
A947 displays an 28-fold higher concentration needed to achieve a DC50 on SMARCA4 (1.1 nM), with a maximal degradation of SMARCA4 (92%) being achieved at concentrations approaching 100 nM.
A947 also exhibits similar selectivity on SMARCA2 degradation over PBRM1.
Inhibitors of the ubiquitin activating enzyme (MLN-7243) and proteasome inhibitor (MG-132) could block A947-mediated degradation of SMARCA2.
A947 is equally efficient in degrading both the murine and rat orthologs of SMARCA2.
A947 inhibits growth of a panel of SMARCA4-mutant NSCLC cells (mean IC50=7 nM), SMARCA4WT cells is significantly less sensitive to A947 (IC50=86 nM).
A-947 (40 mg/kg, i.v.) exhibits tumor growth inhibition in the SMARCA4wt Calu-6 xenograft model, also shows synergistic effect when combined with MCL1 inhibitor (AMG-176 and S63845).
| M.Wt | 1121.416 | |
| Formula | C61H76N12O7S | |
| Appearance | Solid | |
| Storage |
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| Solubility |
10 mM in DMSO |
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1. Cantley J, et al. Nat Commun. 2022 Nov 10;13(1):6814.
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