S961 acetate

• CAT Number: I045716
• Molecular Formula: C211H295N55O71S2.xC2H4O2
• Molecular Weight: 4802.12 (free acid)
• Purity: ≥95%

S961 acetate is an high-affinity and selective insulin receptor (IR) antagonist with IC50s of 0.048, 0.027, and 630 nM for HIR-A, HIR-B, and human insulin-like growth factor I receptor (HIGF-IR) in SPA-assay, respectively[1].
S961 also shows high-affinity to Rat IR and Pig IR with IC50s of 0.056 nM and 0.084 nM in PEG-assay, respectively[1].

Reference

[1]. Schäffer L, et al. A novel high-affinity peptide antagonist to the insulin receptor. Biochem Biophys Res Commun. 2008 Nov 14;376(2):380-3.
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