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SNIPER(ER)-87

Catalog No. T18697   CAS 2222354-91-6

SNIPER(ER)-87 consists of an inhibitor of apoptosis protein (IAP) ligand LCL161 derivative that is conjugated to the estrogen receptor α (ERα) ligand 4-hydroxytamoxifen by a PEG linker, and efficiently degrades the ERα protein (IC50=0.097 μM). SNIPER(ER)-87 preferentially recruits XIAP to ERα in the cells, and XIAP is the primary E3 ubiquitin ligase responsible for the SNIPER(ER)-87-induced ERα degradation[1][2].

SNIPER(ER)-87, CAS 2222354-91-6
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Purity 98.00%
Biological Description
Chemical Properties
Storage & Solubility Information
Description SNIPER(ER)-87 consists of an inhibitor of apoptosis protein (IAP) ligand LCL161 derivative that is conjugated to the estrogen receptor α (ERα) ligand 4-hydroxytamoxifen by a PEG linker, and efficiently degrades the ERα protein (IC50=0.097 μM). SNIPER(ER)-87 preferentially recruits XIAP to ERα in the cells, and XIAP is the primary E3 ubiquitin ligase responsible for the SNIPER(ER)-87-induced ERα degradation[1][2].
Targets&IC50 Others,  
In vivo SNIPER(ER)-87 (30 mg/kg, i.p., every 24 h for 14 days) inhibits the growth of MCF-7 orthotopic breast tumor xenografts in 6-week-old female BALB/c nude mice[1].
Molecular Weight 1044.3
Formula C59H73N5O10S
CAS No. 2222354-91-6

Storage

0-4℃ for short term (days to weeks), or -20℃ for long term (months).

Solubility Information

( < 1 mg/ml refers to the product slightly soluble or insoluble )

Citations

References and Literature
1. Ohoka N, et al. In Vivo Knockdown of Pathogenic Proteins via Specific and Nongenetic Inhibitor of Apoptosis Protein (IAP)-dependent Protein Erasers (SNIPERs). J Biol Chem. 2017 Mar 17;292(11):4556-4570. 2. Ohoka N, et al. Derivatization of inhibitor of apoptosis protein (IAP) ligands yields improved inducers of estrogen receptor α degradation. J Biol Chem. 2018 May 4;293(18):6776-6790.

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