Skip to Content
Merck
All Photos(1)

Documents

07-1517

Sigma-Aldrich

Anti-phospho-IRS-2 (Ser388) Antibody

from rabbit, purified by affinity chromatography

Synonym(s):

Insulin receptor substrate 2, IRS-2

Sign Into View Organizational & Contract Pricing


About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

rabbit

Quality Level

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

purified by

affinity chromatography

species reactivity

human

technique(s)

inhibition assay: suitable (peptide)
western blot: suitable

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

phosphorylation (pSer388)

Gene Information

human ... IRS2(8660)

General description

Insulin receptor substrate (IRS) molecules are key mediators in insulin signaling and play a central role in maintaining basic cellular functions such as growth, survival, and metabolism. They act as docking proteins between the insulin receptor and a complex network of intracellular signaling molecules containing Src homology 2 (SH2) domains. Four members (IRS-1, IRS-2, IRS-3, IRS-4) of this family have been identified that differ as to tissue distribution, subcellular localization, developmental expression, binding to the insulin receptor, and interaction with SH2 domain-containing proteins. In fact, IRS-1 appears to have its major role in skeletal muscle whereas IRS-2 appears to regulate hepatic insulin action as well as pancreatic beta cell development and survival. By contrast, IRS-3 and IRS-4 genes appear to play a redundant role in the IRS signaling system. Defects in muscle IRS-1 expression and function have been reported in insulin-resistant states such as obesity and type 2 diabetes.

Specificity

This antibody recognizes IRS-2 phosphorylated at Ser388.

Immunogen

Epitope: Phosphorylated Ser388
KLH-conjugated linear peptide corresponding to human IRS-2 phosphorylated Ser388.

Application

Anti-phospho-IRS-2 (Ser388) Antibody detects level of phospho-IRS-2 (Ser388) & has been published & validated for use in Western Blotting, Peptide Inhibition Assay.
Peptide Inhibition Assay Analysis: 10 µg from a representative lot blocked IRS-2 on insulin treated HEK293 cells.
Research Category
Signaling
Research Sub Category
Insulin/Energy Signaling

Quality

Evaluated by Western Blot in untreated and insulin treated HEK293 cell lysates.

Western Blot Analysis: 5 µg/mL of this antibody detected IRS-2 on 10 µg of untreated and insulin treated HEK293 cell lysates.

Target description

~160 kDa observed. The calculated molecular weight is 137 kDa, however IRS-2 has been shown as a ~160 kDa band in western blots (Rother, K., et al. (1998). Journal of Biological Chemistry. 273(28):17491–17497.)

Physical form

Affinity purified
Purified rabbit polyclonal serum in buffer containing 0.1 M Tris-Glycine (pH 7.4), 150 mM NaCl with 0.05% sodium azide.

Storage and Stability

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

Analysis Note

Control
Untreated and insulin treated HEK293 cell lysates

Other Notes

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

Disclaimer

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.

Not finding the right product?  

Try our Product Selector Tool.

Storage Class Code

12 - Non Combustible Liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Dahae Lee et al.
Plants (Basel, Switzerland), 11(5) (2022-03-11)
Herein, we determined whether α-Spinasterol, a stigmastane-type phytosterol isolated from Aster pseudoglehnii, potentially impacts glucose uptake and glucose-stimulated insulin secretion in skeletal muscle cells and pancreatic β-cells, respectively. We observed that A. pseudoglehnii and its fractions enhanced glucose uptake, with
K I Rother et al.
The Journal of biological chemistry, 273(28), 17491-17497 (1998-07-04)
Insulin receptor substrates (IRSs) are tyrosine-phosphorylated following stimulation with insulin, insulin-like growth factors (IGFs), and interleukins. A key question is whether different IRSs play different roles to mediate insulin's metabolic and growth-promoting effects. In a novel system of insulin receptor-deficient
Rania Alaaeldin et al.
Molecules (Basel, Switzerland), 26(24) (2021-12-25)
Insulin resistance contributes to several disorders including type 2 diabetes and cardiovascular diseases. Carpachromene is a natural active compound that inhibits α-glucosidase enzyme. The aim of the present study is to investigate the potential activity of carpachromene on glucose consumption
Reduced phosphorylation of brain insulin receptor substrate and Akt proteins in apolipoprotein-E4 targeted replacement mice.
Ong, QR; Chan, ES; Lim, ML; Cole, GM; Wong, BS
Scientific Reports null

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service