Date published: 2026-4-5

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RELA/NFκB p65 Antibody (A-12): sc-514451

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Datasheets
  • RELA/NFκB p65 Antibody (A-12) is a mouse monoclonal IgG1 κ, cited in 62 publications, provided at 200 µg/ml
  • raised against amino acids 1-286 of NFκB p65 of human origin
  • Anti-RELA/NFκB p65 Antibody (A-12) is recommended for detection of NFκB p65 of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-RELA/NFκB p65 Antibody (A-12) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • TransCruz reagent for ChIP application (sc-514451 X, 200 µg/0.1 ml)
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for RELA/NFκB p65 Antibody (A-12) for WB and IHC(P) applications. These reagents are now offered in bundles with RELA/NFκB p65 Antibody (A-12) (see ordering information below).
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NFκB p65 Antibody (A-12) is a mouse monoclonal IgG1 kappa light chain antibody raised against amino acids 1-286 of the NFκB p65 protein of human origin. Anti-NFκB p65 antibody (A-12) is reactive in species such as mouse, rat, and human, making it suitable for applications in western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). NFκB p65, also known as RELA, plays a crucial role in regulating gene expression in response to various stimuli such as stress, cytokines, and infections. The p65 subunit forms heterodimers with p50 and, once activated, translocates from the cytoplasm to the nucleus where it binds DNA and influences transcription. Post-translational modifications (PTMs) like phosphorylation and acetylation are essential for modulating NFκB p65 activity. For example, phosphorylation at serine 276 by protein kinase A (PKA) enhances p65′s dimerization with p65 and is critical for nuclear retention and transcriptional activity. Phosphorylation in other regions, such as the transactivation domain (TAD), can affect transcriptional activity and stability. These post-translational modifications are key to regulating immune responses and cellular survival. NFκB p65 (A-12) antibody is designed for detecting p65 in active and modified forms, aiding in the study of signal transduction pathways and transcriptional regulation.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

RELA/NFκB p65 Antibody (A-12)

sc-514451
200 µg/ml
$322.00

RELA/NFκB p65 Antibody (A-12): m-IgG Fc BP-HRP Bundle

sc-527903
200 µg Ab; 10 µg BP
$361.00

RELA/NFκB p65 Antibody (A-12): m-IgG1 BP-HRP Bundle

sc-533276
200 µg Ab; 20 µg BP
$361.00

RELA/NFκB p65 Antibody (A-12) X

sc-514451 X
200 µg/0.1 ml
$322.00

RELA/NFκB p65 Antibody (A-12) AC

sc-514451 AC
500 µg/ml, 25% agarose
$424.00

RELA/NFκB p65 Antibody (A-12) HRP

sc-514451 HRP
200 µg/ml
$322.00

RELA/NFκB p65 Antibody (A-12) FITC

sc-514451 FITC
200 µg/ml
$336.00

RELA/NFκB p65 Antibody (A-12) PE

sc-514451 PE
200 µg/ml
$349.00

RELA/NFκB p65 Antibody (A-12) Alexa Fluor® 488

sc-514451 AF488
200 µg/ml
$364.00

RELA/NFκB p65 Antibody (A-12) Alexa Fluor® 546

sc-514451 AF546
200 µg/ml
$364.00

RELA/NFκB p65 Antibody (A-12) Alexa Fluor® 594

sc-514451 AF594
200 µg/ml
$364.00

RELA/NFκB p65 Antibody (A-12) Alexa Fluor® 647

sc-514451 AF647
200 µg/ml
$364.00

RELA/NFκB p65 Antibody (A-12) Alexa Fluor® 680

sc-514451 AF680
200 µg/ml
$364.00

RELA/NFκB p65 Antibody (A-12) Alexa Fluor® 790

sc-514451 AF790
200 µg/ml
$364.00

I am going to use NFκB p65 (A-12): sc-514451 monoclonal antibody to perform immunofluorescence on fibroblasts. What kind of fixation do you recommend? 4% paraformaldehyde can be ok?

Asked by: Valer
Thank you for your question. You can find our recommended protocol under this link: https://www.scbt.com/resources/protocols/immunoperoxidase-staining Anti-NFκB p65 Antibody (A-12): sc-514451 is compatible with samples from mouse, rat and human with both methanol- or PFA-based fixation.
Answered by: Tech Support Europe
Date published: 2021-07-23

Hello , I have a research about acute pancreatitis in rats , one of my markers is NF-KB I want to know the molecular weight of NF-KB to be able to use a standard protein in vertical gel electrophoresis , can you tell me the molecular weight of NF-KB ?

Asked by: Alaa
Thank you for your question. The expected molecular weight of NFκB p65 is 65 kDa.
Answered by: SCBT Heidelberg Support
Date published: 2018-12-21

I am using NFκB p65 (A-12): sc-514451 monoclonal antibody to stain paraffin embedded tissue. Do you recommend antigen retrieval when using this antibody?

Asked by: jerojero
We recommend performing antigen retrieval with sodium citrate buffer (pH 6) and heat. The full protocol can be found here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
Answered by: Technical Support
Date published: 2017-02-24
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Rated 4 out of 5 by from GoodGood signal, no background using 1 : 300 dilution.
Date published: 2019-02-21
Rated 2 out of 5 by from DécevantNous avions commandé l'anticorps de référence #SC-8008 et nous avons eu, en attendant sa réception, un échantillon gratuit du P65-A12 très décevant par rapport à l'ancienne référence que nous utilisions au paravant #sc-372. En espérant que la nouvelle référence commandée soit meilleure.
Date published: 2019-01-31
Rated 5 out of 5 by from It is nice.I got this sample 2 weeks ago and it is works. I like this Antibody.
Date published: 2017-12-06
Rated 4 out of 5 by from good antibody for WBThis is a good antibody for WB. The result looks clear.
Date published: 2017-03-09
Rated 5 out of 5 by from Great for IHC!Great antibody choice when staining for NF kappa B p65 with paraffin-embedded sections.
Date published: 2017-01-19
Rated 4 out of 5 by from good antibody for western blotrobust signal in 293T and RAW macrophage lysates. not tested in other applications yet.
Date published: 2016-12-15
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RELA/NFκB p65 Antibody (A-12) is rated 4.0 out of 5 by 6.
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