| Product Includes | Product # | Quantity | Mol. Wt | Isotype/Source |
|---|---|---|---|---|
| Phospho-IRS-1 (Ser307) Antibody | 2381 | 20 µl | 180 kDa | Rabbit |
| Phospho-IRS-1 (Ser612) (C15H5) Rabbit mAb | 3203 | 20 µl | 180 kDa | Rabbit IgG |
| IRS-2 Antibody | 4502 | 20 µl | 185 kDa | Rabbit |
| Phospho-IRS-1 (Ser318) (D51C3) Rabbit mAb | 5610 | 20 µl | 180 kDa | Rabbit IgG |
| IRS-1 (D23G12) Rabbit mAb | 3407 | 20 µl | 180 kDa | Rabbit IgG |
| Anti-rabbit IgG, HRP-linked Antibody | 7074 | 100 µl | Goat |
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Description
The Insulin Receptor Substrate Antibody Sampler Kit provides an economical means to investigate IRS-1 and IRS-2 signaling and phosphorylation within the cell. The kit contains enough antibody to perform two western blots with each primary antibody.
Storage
Background
Insulin receptor substrate 1 (IRS-1) is one of the major substrates of the insulin receptor kinase (1). IRS-1 contains multiple tyrosine phosphorylation motifs that serve as docking sites for SH2-domain containing proteins that mediate the metabolic and growth-promoting functions of insulin (2-4). IRS-1 also contains over 30 potential serine/threonine phosphorylation sites. Ser307 of IRS-1 is phosphorylated by JNK (5) and IKK (6) while Ser789 is phosphorylated by SIK-2, a member of the AMPK family (7). The PKC and mTOR pathways mediate phosphorylation of IRS-1 at Ser612 and Ser636/639, respectively (8,9). Phosphorylation of IRS-1 at Ser1101 is mediated by PKCθ and results in an inhibition of insulin signaling in the cell, suggesting a potential mechanism for insulin resistance in some models of obesity (10).
- Sun, X.J. et al. (1991) Nature 352, 73-77.
- Sun, X.J. et al. (1992) J. Biol. Chem. 267, 22662-22672.
- Myers Jr., M.G. et al. (1993) Endocrinology 132, 1421-1430.
- Wang, L.M. et al. (1993) Science 261, 1591-1594.
- Rui, L. et al. (1997) J. Clin. Invest. 107, 181-189.
- Gao, Z. et al. (2002) J. Biol. Chem. 277, 48115-48121.
- Horike, N. et al. (2003) J. Biol. Chem. 278, 18440-18447.
- Ozes, O.N. et al. (2001) Proc. Natl. Acad. Sci. USA 98, 4640-4645.
- De Fea, K. and Ruth, R.A. (1997) Biochemistry 36, 12939-12947.
- Li, Y. et al. (2004) J. Biol. Chem. 279, 45304-45307.
Background References
Trademarks and Patents
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