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Merck
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Key Documents

05-1086

Sigma-Aldrich

Anti-phospho-IRS1 (Ser302 mouse/ Ser307 human) Antibody, clone 8.1.2

clone 8.1.2, from mouse

别名:

insulin receptor substrate 1

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About This Item

分類程式碼代碼:
12352203
eCl@ss:
32160702
NACRES:
NA.41

生物源

mouse

品質等級

抗體表格

purified antibody

抗體產品種類

primary antibodies

無性繁殖

8.1.2, monoclonal

物種活性

bovine, pig, canine, monkey, human, rat, mouse

技術

immunofluorescence: suitable
immunohistochemistry: suitable
immunoprecipitation (IP): suitable
western blot: suitable

同型

IgG1κ

NCBI登錄號

UniProt登錄號

運輸包裝

wet ice

目標翻譯後修改

phosphorylation (pSer302/pSer307)

基因資訊

bovine ... Irs1(538598)
dog ... Irs1(486148)
human ... IRS1(3667)
mouse ... Irs1(16367)
pig ... Irs1(100512686)
rat ... Irs1(25467)
rhesus monkey ... Irs1(707870)

一般說明

IRS1 (Insulin Receptor Substrate 1) transmits insulin signals via metabolic and mitogenic pathways. IRS1 is heavily phosphorylated on both serine and tyrosine residues. These phosphorylated tyrosines enable IRS to act as a docking protein that binds SH2 domains of such proteins as PI3 Kinase (phosphatidylinositol 3-kinase) and GRB2, resulting in activation. Over expression and phosphorylation of serine is associated with insulin resistance and breast cancer. Some of the more notable phosphorylation sites are Ser302 that is phosphorylated following insulin stimulation. Ser307, phosphorylated by JNK and IKK, is a key regulatory site that appears to disrupt the IRS1/IR interaction and inhibits insulin-mediated activation of the PI3 kinase and MAPK pathways, and Ser636/639 that is known to be phosphorylated by p70S6K downstream of mTOR and acts as a negative feedback loop.

特異性

Predicted to cross-react with many other species based on 100% sequence homology with immunogen.
This antibody recognizes IRS1 phosphorylated at Ser302 (mouse) and Ser307 (human).

免疫原

Epitope: Phosphorylated Ser302
Synthetic linear peptide corresponding to amino acids at and around phosphorylated Ser302 of mouse IRS1.

應用

Anti-phospho-IRS1 (Ser302 mouse/ Ser307 human) Antibody, clone 8.1.2 is an antibody against phospho-IRS1 (Ser302 mouse/ Ser307 human) for use in IH, IF, IP & WB.
Immunocytochemistry:
IR/IRS transfected CHO cells were stained with a 1:500 dilution of the antibody. A seconday anti-mouse Cy3 conjugate was used for visualizaion.

Immunoprecipition:
This antibody was used at a 1:1,000 to immunoprecipitate IRS1 from 5L/mL IR/IRS1 transfected CHO cells (performed by an independent lab).
Research Category
Metabolism

Signaling
Research Sub Category
Insulin/Energy Signaling

Glucose/Glycogen Metabolism

Metabolic Hormones & Receptors

品質

Evaluated by western blot on IRS1 transfected CHO +/- Insulin lysate.

Western Blot Analysis:
1:1,000 dilution of this antibody was used to detect IRS1 phosphorylated on Ser302 in IRS/IR transfected CHO -/+ Calyculin A/ Okadaic Acid-treated cell lysate.

標靶描述

~185 kDa

外觀

Protein G Purified
Format: Purified
Purified mouse monoclonal antibody in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

儲存和穩定性

Stable for 1 year at 2-8ºC from date of receipt.

其他說明

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

免責聲明

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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儲存類別代碼

12 - Non Combustible Liquids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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Nancy J Hançer et al.
The Journal of biological chemistry, 289(18), 12467-12484 (2014-03-22)
IRS1 and IRS2 are key substrates of the insulin receptor tyrosine kinase. Mass spectrometry reveals more than 50 phosphorylated IRS1 serine and threonine residues (Ser(P)/Thr(P) residues) in IRS1 from insulin-stimulated cells or human tissues. We investigated a subset of IRS1

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