Transcription factor p65 Polyclonal Antibody

Catalog Number:

42406

Amount:

100μg

Price:

$319

Swiss-Prot No:

Swiss-Prot#: Q04206

Form of Antibody:

Preservative: 0.03% Proclin 300 Constituents: 50% Glycerol, 0.01M PBS, PH 7.4

Storage/Stability:

Immunogen:

Recombinant human Transcription factor p65 protein

Purification:

Caprylic Acid Ammonium Sulfate Precipitation purified

Specificity/Sensitivity:

The antibody detects endogenous level of total Transcription factor p65 polyclonal antibody.

Applications:

IHC

Background:

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.

References:

[1] "Isolation of a rel-related human cDNA that potentially encodes the 65-kD subunit of NF-kappa B."Ruben S.M., Dillon P.J., Schreck R., Henkel T., Chen C.-H., Maher M., Baeuerle P.A., Rosen C.A.Science 251:1490-1493(1991) [PubMed] [Europe PMC] [Abstract

appl_detail:

Immunohistochemistry: 1:20 - 1:200

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