Date published: 2026-3-17

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p300 Antibody (NM11): sc-32244

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Datasheets
  • p300 Antibody (NM11) is a mouse monoclonal IgG2b κ, cited in 50 publications, provided at 200 µg/ml
  • raised against affinity purified p300 of human origin
  • Anti-p300 Antibody (NM11) is recommended for detection of p300 and CBP (CREB-binding protein) of mouse, rat and human origin by WB, IP, IF and IHC(P)
  • Anti-p300 Antibody (NM11) 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 Gel Supershift and ChIP applications (sc-32244 X, 200 µg/0.1 ml)
  • m-IgG Fc BP-HRP is the preferred secondary detection reagent for p300 Antibody (NM11) for WB and IHC(P) applications. This reagent is now offered in a bundle with p300 Antibody (NM11) (see ordering information below).
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p300 Antibody (NM11) is a mouse monoclonal IgG2b kappa light chain antibody designed to detect p300 protein, also known as EP300, as well as its closely related counterpart, CBP (CREB-binding protein or CREBBP), across mouse, rat, and human samples using western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and immunohistochemistry with paraffin-embedded sections (IHCP). p300 protein functions as a critical transcriptional co-activator involved in regulating gene expression by modifying chromatin structure and facilitating the assembly of transcriptional complexes, which is essential for processes such as cell growth, differentiation, and apoptosis. Located primarily in the nucleus, p300 plays a pivotal role in gene regulation by interacting with various transcription factors and nuclear receptors, thereby influencing numerous cellular pathways and maintaining cellular homeostasis. Structurally, p300 is characterized by multiple domains, including bromodomains and HAT (histone acetyltransferase) domains, which are crucial for acetylating histones and other proteins, thereby modulating gene accessibility and transcriptional activity. p300 monoclonal antibody (NM11) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® variants, providing versatility for different experimental applications.

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

p300 Antibody (NM11)

sc-32244
200 µg/ml
$322.00

p300 Antibody (NM11): m-IgG Fc BP-HRP Bundle

sc-525532
200 µg Ab; 10 µg BP
$361.00

p300 Antibody (NM11) X

sc-32244 X
200 µg/0.1 ml
$322.00

p300 Antibody (NM11) AC

sc-32244 AC
500 µg/ml, 25% agarose
$424.00

p300 Antibody (NM11) HRP

sc-32244 HRP
200 µg/ml
$322.00

p300 Antibody (NM11) FITC

sc-32244 FITC
200 µg/ml
$336.00

p300 Antibody (NM11) PE

sc-32244 PE
200 µg/ml
$349.00

p300 Antibody (NM11) Alexa Fluor® 488

sc-32244 AF488
200 µg/ml
$364.00

p300 Antibody (NM11) Alexa Fluor® 546

sc-32244 AF546
200 µg/ml
$364.00

p300 Antibody (NM11) Alexa Fluor® 594

sc-32244 AF594
200 µg/ml
$364.00

p300 Antibody (NM11) Alexa Fluor® 647

sc-32244 AF647
200 µg/ml
$364.00

p300 Antibody (NM11) Alexa Fluor® 680

sc-32244 AF680
200 µg/ml
$364.00

p300 Antibody (NM11) Alexa Fluor® 790

sc-32244 AF790
200 µg/ml
$364.00

When should the TransCruz reagent sc-32244 X be used instead of the standard form sc-32244?

Asked by: jenniferc
Thank you for your question. We recommend using the TransCruz reagent form when performing ChIP or GelShift assays. This form can also be used in other applications such as Western Blot or IHC, but the dilution should be adjusted by a factor of 10 to account for the higher original concentration.
Answered by: Technical Support 15
Date published: 2017-01-19
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Rated 4 out of 5 by from It works fine for western blottingI used this ab sample a few days ago. It works fine for western blotting
Date published: 2021-11-10
Rated 4 out of 5 by from Good for WBI bought this ab a few weeks ago and did WB with whole cell lysate. The result is good.
Date published: 2021-06-03
Rated 4 out of 5 by from Good ABThis AB works in IF (1/30) for fibroblast cells (PFA fixation)
Date published: 2018-03-22
Rated 1 out of 5 by from No WB band for mouse samplesI did 1:500 dilution but didn't see any band at the expected size.
Date published: 2018-01-11
Rated 2 out of 5 by from Faint band in western blotting!It detected a very faint band in the size range expected for endogenous p300 in total protein extracts of immortalized HFFs (1:500 in 5% milk/TBS-Tween, overnight at 4C).
Date published: 2017-11-27
Rated 4 out of 5 by from Good antibodyWorked well with western blotting at 1:500 dilution.
Date published: 2017-09-27
Rated 5 out of 5 by from Superb product !!Strong clear western blot data; also very nice IHC staining data
Date published: 2017-02-01
Rated 5 out of 5 by from Excellent!This antibody works great in western blot analysis of p300 expression in Jurkat nuclear extract.
Date published: 2017-01-11
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p300 Antibody (NM11) is rated 3.9 out of 5 by 14.
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