| Product Includes | Product # | Quantity | Isotype/Source |
|---|---|---|---|
| AMPKα (D63G4) Rabbit mAb (BSA and Azide Free) | 97117 | 100 µg | Rabbit IgG |
| AMPKα (23A3) Rabbit mAb (BSA and Azide Free) | 30127 | 100 µg | Rabbit IgG |
Description
The Total AMPKα Matched Antibody Pair is ideal for use with immunoassay technologies and high-throughput ELISA platforms requiring antibody pairs with specialized or custom antibody labeling. Labels include fluorophores, lanthanides, biotin, and beads. Platforms requiring conjugated Matched Antibody Pairs include MSD, Quanterix Simoa, Alpha Technology (AlphaScreen, AlphaLISA, LANCE, HTRF), and Luminex.
Learn how Matched Antibody Pairs move your projects forward, faster at cst-science.com/matched-antibody-pairs.
Specificity/Sensitivity
Storage
Directions for Use
Formulation
Background
AMP-activated protein kinase (AMPK) is highly conserved from yeast to plants and animals and plays a key role in the regulation of energy homeostasis (1). AMPK is a heterotrimeric complex composed of a catalytic α subunit and regulatory β and γ subunits, each of which is encoded by two or three distinct genes (α1, 2; β1, 2; γ1, 2, 3) (2). The kinase is activated by an elevated AMP/ATP ratio due to cellular and environmental stress, such as heat shock, hypoxia, and ischemia (1). The tumor suppressor LKB1, in association with accessory proteins STRAD and MO25, phosphorylates AMPKα at Thr172 in the activation loop, and this phosphorylation is required for AMPK activation (3-5). AMPKα is also phosphorylated at Thr258 and Ser485 (for α1; Ser491 for α2). The upstream kinase and the biological significance of these phosphorylation events have yet to be elucidated (6). The β1 subunit is post-translationally modified by myristoylation and multi-site phosphorylation including Ser24/25, Ser96, Ser101, Ser108, and Ser182 (6,7). Phosphorylation at Ser108 of the β1 subunit seems to be required for AMPK activation, while phosphorylation at Ser24/25 and Ser182 affects AMPK localization (7). Several mutations in AMPKγ subunits have been identified, most of which are located in the putative AMP/ATP binding sites (CBS or Bateman domains). Mutations at these sites lead to reduction of AMPK activity and cause glycogen accumulation in heart or skeletal muscle (1,2). Accumulating evidence indicates that AMPK not only regulates the metabolism of fatty acids and glycogen, but also modulates protein synthesis and cell growth through EF2 and TSC2/mTOR pathways, as well as blood flow via eNOS/nNOS (1).
- Hardie, D.G. (2004) J Cell Sci 117, 5479-87.
- Carling, D. (2004) Trends Biochem Sci 29, 18-24.
- Hawley, S.A. et al. (1996) J Biol Chem 271, 27879-87.
- Lizcano, J.M. et al. (2004) EMBO J 23, 833-43.
- Shaw, R.J. et al. (2004) Proc Natl Acad Sci USA 101, 3329-35.
- Woods, A. et al. (2003) J Biol Chem 278, 28434-42.
- Warden, S.M. et al. (2001) Biochem J 354, 275-83.
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
Limited Uses
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