Thermo Fisher Scientific Phospho-IRS1 (Ser1101) Polyclonal Antibody
IRS1 단백질의 Ser1101 인산화 상태를 특이적으로 인식하는 폴리클로날 항체. Western blot에 적합하며, 인간, 마우스, 랫트 시료에서 반응. 액상 형태로 제공되며, PBS와 글리세롤 버퍼에 보관. 인슐린 신호전달 연구에 유용.
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Applications and Tested Dilution
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:500–1:2,000 |
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Human, Mouse, Rat |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | A synthesized peptide derived from human IRS1 (Accession P35568), corresponding to amino acid residues around phosphorylated Ser1101. |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 1 mg/mL |
| Purification | Sequential chromatography |
| Storage Buffer | PBS, pH 7.4, with 50% glycerol |
| Contains | 0.02% sodium azide |
| Storage Conditions | -20°C |
| Shipping Conditions | Wet ice |
| RRID | AB_2816637 |
Product Specific Information
This antibody detects endogenous levels of IRS1 only when phosphorylated at Ser1101.
Target Information
IRS-1 is a major substrate of the insulin receptor and becomes phosphorylated in response to stimulation by insulin, insulin-like growth factor 1 (IGF-1), and interleukin 4 (IL-4). It undergoes phosphorylation on serine, threonine, and tyrosine residues across various tissues. Casein kinase II mediates part of the insulin-stimulated phosphorylation of IRS-1, with Thr502 and Ser99 identified as major phosphorylation sites. IRS-1 contains three putative 14-3-3 binding sites (Ser270, Ser374, Ser641), with the Ser270 motif located in the phosphotyrosine binding domain responsible for insulin receptor interaction.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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