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产品信息
PEP-184
产品规格
分类
Synthetic
类型
Peptide
偶联物
形式
Lyophilized
浓度
0.5 mg/mL
保存条件
-20° C, Avoid Freeze/Thaw Cycles
运输条件
Wet ice
产品详细信息
PEP-184 is a 15 amino acid synthetic peptide corresponding to amino acid residues 301-315 from human IRS-1. The sequence of this peptide is (amino to carboxy terminus): E S I T A T (pS) P A S M V G G K (NH2).
This peptide may be used for neutralization and control experiments with the polyclonal antibody that reacts with this product, catalog # PA1-1054. Using a solution of peptide of equal volume and concentration to the corresponding antibody will yield a large molar excess of peptide (~70-fold) for competitive inhibition of antibody-protein binding reactions.
Reconstitute with 0.1 mL of distilled water.
靶标信息
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.
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