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p-IRS-1 (S323) Peptide

p-IRS-1 (S323) Peptide

Cat no: BS4271P

Supplier: Bioworld Technology, Inc.
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IRS-1, a major substrate of the insulin receptor, is phosphorylated in response to stimulation of cells by insulin, insulin-like growth factor 1 (IGF-1) and interleukin 4 (IL-4). IRS-1 is phosphorylated on serine, threonine and tyrosine residues in a variety of tissues. An insulin-sensitive serine/threonine kinase casein kinase II mediates a portion of the insulin-stimulated serine/threonine phosphorylation of overexpressed IRS-1 in vivo. Thr 502 is identified as the major casein kinase II-catalyzed phosphorylation site in rat IRS-1, and Ser 99 is an additional phosphorylation site catalyzed by casein kinase II. Thus, casein kinase II-catalyzed phosphorylation of IRS-1 may be a component of the intracellular insulin signaling cascade. IRS-1 contains three putative binding sites for 14-3-3 (Ser 270, Ser 374 and Ser 641) and the motif around Ser 270 is located in the phosphortyrosine binding domain of IRS-1, which is responsible for the interaction with the insulin receptor.
Catalogue number: BS4271P
Applications: Block/Neutralize/Inhibit
Swiss prot: P35568
Form: 1 mg/ml in DI water.
Purity: Synthetic peptide p-IRS-1 (S323). (Note: the amino acid sequence is proprietary). The purity is > 98%.
Storage temp: Store at 4 degree C short term. Aliquot and store at -20 degree C long term. Avoid freeze-thaw cycles.
Alternative names: Insulin receptor substrate 1; IRS-1; IRS1
Additional info: This peptide can be used with studies using BS4271 p-IRS-1 (S323) pAb.

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