NF-kappa-B p65 Antibody Phospho (pS536)

分子量：
60219 Da
细胞定位：
Antigen Cellular Localization:Nucleus. Cytoplasm. Note=Colocalized with DDX1 in the nucleus upon TNF-alpha induction (By similarity) Nuclear, but also found in the cytoplasm in an inactive form complexed to an inhibitor (I-kappa-B). Colocalizes with GFI1 in the nucleus after LPS stimulation.
形式：
50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
参考文献：
1. Baldwin, A. S., Jr. (1996) Annu. Rev. Immunol. 14, 649-683
2. Verma, I., Stevenson, J., Schwarz, E., Van Antwerp, D. & Miyamoto, S. (1995) Genes Dev. 9, 2723-2735
3. Schmitz, M., dos Santos Silva, M. & Baeuerle, P. (1995) J. Biol. Chem. 270, 15576-15584
4. Marc D. Jacobs Stephen C. Harrison (1198) Cell. Volume 95, Issue 6, 749-758
5. Wang, Y, et al., Br J Pharmacol. 2006 July; 148(6): 814

产品概述：
We constantly strive to ensure we provide our customers with the best antibodies. As a result of this work we offer this antibody in purified format. We are in the process of updating our datasheets. If you have any questions regarding this update, please feel free to contact our technical support team.This product is a high quality NF-kappa-B p65 antibody Phospho (pS536).
功能：
NF-kappa-B is a pleiotropic transcription factor present in almost all cell types and is the endpoint of a series of signal transduction events that are initiated by a vast array of stimuli related to many biological processes such as inflammation, immunity, differentiation, cell growth, tumorigenesis and apoptosis. NF-kappa-B is a homo- or heterodimeric complex formed by the Rel-like domain-containing proteins RELA/p65, RELB, NFKB1/p105, NFKB1/p50, REL and NFKB2/p52 and the heterodimeric p65-p50 complex appears to be most abundant one. The dimers bind at kappa-B sites in the DNA of their target genes and the individual dimers have distinct preferences for different kappa-B sites that they can bind with distinguishable affinity and specificity. Different dimer combinations act as transcriptional activators or repressors, respectively. NF-kappa-B is controlled by various mechanisms of post-translational modification and subcellular compartmentalization as well as by interactions with other cofactors or corepressors. NF-kappa-B complexes are held in the cytoplasm in an inactive state complexed with members of the NF-kappa-B inhibitor (I-kappa-B) family. In a conventional activation pathway, I-kappa-B is phosphorylated by I-kappa-B kinases (IKKs) in response to different activators, subsequently degraded thus liberating the active NF-kappa-B complex which translocates to the nucleus. NF-kappa-B heterodimeric p65-p50 and p65-c-Rel complexes are transcriptional activators. The NF-kappa-B p65-p65 complex appears to be involved in invasin-mediated activation of IL-8 expression. The inhibitory effect of I-kappa-B upon NF-kappa-B the cytoplasm is exerted primarily through the interaction with p65. p65 shows a weak DNA-binding site which could contribute directly to DNA binding in the NF-kappa-B complex. Associates with chromatin at the NF-kappa-B promoter region via association with DDX1.
总结：
Nuclear factor B (NF-B) encompasses an important family of inducible transcriptional activators that regulate a wide variety of cellular and viral genes (1). The family members include p50, p52, p65 (RelA), c-Rel, and RelB. (2). The p65 subunit, similar to two others in the B family, RelB and c-Rel, contains two transactivation domains in the C-terminal region of the protein (3). Association with inhibitory proteins of the IκB family retains NF-κB in the cytoplasm. Degradation of IB proteins exposes the nuclear localization sequence (NLS), leading to nuclear translocation and subsequent binding of NF-B to DNA (4). p65 phosphorylation events occur in the cytoplasm or in the nucleus and are stimuli-specific and cell-type specific, on serine 276, 529, and 536 by various kinases, such as PKA, casein kinase II, IKK beta, and RSK1. Phosphorylation on these sites has been linked to regulation of NF-κB activation (5).
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