Cayman Chemical | ATF2 (Phospho-Ser490,498) Polyclonal Antibody | Description • Activating Transcription Factor 2

10009410 ATF2 (Phospho-Ser^490,498) Polyclonal Antibody

Activating Transcription Factor 2

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• See more Immunohistochemistry; Western Blot; Antibodies; Transcription Factors; Neuroscience; Signal Transduction

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Antigen: synthetic phosphopeptide corresponding to amino acid residues surrounding phospho-Ser^490,498 of human ATF2 · Host: rabbit · Application(s): WB and IHC (frozen sections) · The activating transcription factor 2 (ATF2; also called CRE-BP1) binds to both AP-1 and CRE DNA response elements and is a member of the ATF/CREB family of leucine zipper proteins.¹ ATF2 has been implicated in the transcriptional regulation of a number of genes including cytokines, cell cycle control, and apoptosis. Various forms of cellular stress, including inflammatory cytokines and UV irradiation, stimulate the transcriptional activity of ATF2.^2,3 Stress induced ATF-dependent transcription is dependent on phosphorylation of ATF.^4,3 Serine 490 and serine 498 are novel phosphorylation sites on ATF that have recently been identified. ATF2 is particularly abundant in the brain and the ATF2 family of transcription factors is considered an important substrate of signals upstream of the activation of genes associated with neuronal growth and differentiation.⁵ ATF expression has also been linked to depression in humans.⁶

1 Maekawa, T., Sakura, H., Kanei-Ishii, C., et al. Leucine zipper structure of the protein CRE-BP1 binding to the cyclic AMP response element in brain. EMBO J 8 2023-2028 (1989).

2 Ivanov, V.N., Bhoumik, A., Ronai, Z. Death receptors and melanoma resistance to apoptosis. Oncogene 22 3152-3161 (2003).

3 Morton, S., Davis, R.J., Cohen, P. Signalling pathways involved in multisite phosphorylation of the transcription factor ATF2. FEBS Lett 572 177-183 (2004).

4 Fuchs, S.Y., Tappin, I., Ronai, Z. Stability of the ATF2 transcription factor is regulated by phosphorylation and dephosphorylation. J Biol Chem 275 12560-12564 (2000).

5 Karin, M., Hunter, T. Transcriptional control by protein phosphorylation: Signal transmission from the cell surface to the nucleus. Curr Biol 5 747-757 (1995).

6 Laifenfeld, D., Karry, R., Grauer, E., et al. ATF2, a member of the CREB/ATF family of transcription factors, in chronic stress and consequent to antidepressant treatment: Animal models and human post-mortem brains. Neuropsychopharmacology 29 589-597 (2004).

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Pricing updated 2010-03-19.
Prices are subject to change without notice.

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