Date published: 2025-11-23

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PP1 Antibody (E-9): sc-7482

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Datasheets
  • PP1 Antibody (E-9) is a mouse monoclonal IgG2b κ PP1 antibody, cited in 206 publications, provided at 200 µg/ml
  • raised against full length phosphatase PP1α of human origin
  • PP1 Antibody (E-9) is recommended for detection of PP1 family catalytic subunits of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA; also reactive with additional species, including and canine, bovine and porcine
  • Anti-PP1 Antibody (E-9) 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
  • m-IgG Fc BP-HRP, m-IgG2b BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for PP1 Antibody (E-9) for WB and IHC(P) applications. These reagents are now offered in bundles with PP1 Antibody (E-9) (see ordering information below).

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PP1 Antibody (E-9) is a mouse monoclonal IgG2b kappa light chain antibody designed to recognize the full-length human protein phosphatase 1 catalytic subunit alpha (PP1α), also known as PPP1CA or Protein Phosphatase 1α. PP1α monoclonal antibody (E-9) is involved in the regulation of cellular processes, including cell division, homeostasis, and apoptosis, through the reversible dephosphorylation of serine and threonine residues on target proteins. This modulation of phosphorylation states by PP1α is essential for maintaining cellular integrity and ensuring proper functioning of cellular signaling pathways, making PP1α a pivotal factor in understanding diseases where phosphatase activity is disrupted. PP1 monoclonal antibody (E-9) exhibits broad species reactivity, effectively detecting PP1 family catalytic subunits in mouse, rat, and human samples, as well as in canine, bovine, and porcine. PP1 (E-9) antibody demonstrates versatility across multiple applications, including western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). Available in non-conjugated forms and conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates, PP1 (E-9) monoclonal antibody facilitates detailed study of PP1α′s role in cellular function and regulation by inhibitory proteins such as NIPP-1 by targeting the catalytic subunit of the PP1 holoenzyme. Understanding PP1α function and regulation is critical for elucidating impact on cellular signaling pathways and potential as a therapeutic target in diseases characterized by aberrant phosphatase activity.

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

PP1 Antibody (E-9) References:

  1. Identification of binding sites on the regulatory A subunit of protein phosphatase 2A for the catalytic C subunit and for tumor antigens of simian virus 40 and polyomavirus.  |  Ruediger, R., et al. 1992. Mol Cell Biol. 12: 4872-82. PMID: 1328865
  2. Subunit interactions control protein phosphatase 2A. Effects of limited proteolysis, N-ethylmaleimide, and heparin on the interaction of the B subunit.  |  Kamibayashi, C., et al. 1991. J Biol Chem. 266: 13251-60. PMID: 1649186
  3. Protein phosphatases: recent progress.  |  Shenolikar, S. and Nairn, AC. 1991. Adv Second Messenger Phosphoprotein Res. 23: 1-121. PMID: 1847640
  4. Protein serine/threonine phosphatases; an expanding family.  |  Cohen, PT., et al. 1990. FEBS Lett. 268: 355-9. PMID: 2166691
  5. The structure and regulation of protein phosphatases.  |  Cohen, P. 1989. Annu Rev Biochem. 58: 453-508. PMID: 2549856
  6. Protein phosphatases: properties and role in cellular regulation.  |  Ingebritsen, TS. and Cohen, P. 1983. Science. 221: 331-8. PMID: 6306765
  7. The interaction of SV40 small tumor antigen with protein phosphatase 2A stimulates the map kinase pathway and induces cell proliferation.  |  Sontag, E., et al. 1993. Cell. 75: 887-97. PMID: 8252625

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

PP1 Antibody (E-9)

sc-7482
200 µg/ml
$316.00

PP1 Antibody (E-9): m-IgG Fc BP-HRP Bundle

sc-528182
200 µg Ab; 10 µg BP
$354.00

PP1 Antibody (E-9): m-IgGκ BP-HRP Bundle

sc-520503
200 µg Ab, 40 µg BP
$354.00

PP1 Antibody (E-9): m-IgG2b BP-HRP Bundle

sc-550004
200 µg Ab; 10 µg BP
$354.00

PP1 Antibody (E-9) AC

sc-7482 AC
500 µg/ml, 25% agarose
$416.00

PP1 Antibody (E-9) HRP

sc-7482 HRP
200 µg/ml
$316.00

PP1 Antibody (E-9) FITC

sc-7482 FITC
200 µg/ml
$330.00

PP1 Antibody (E-9) PE

sc-7482 PE
200 µg/ml
$343.00

PP1 Antibody (E-9) Alexa Fluor® 488

sc-7482 AF488
200 µg/ml
$357.00

PP1 Antibody (E-9) Alexa Fluor® 546

sc-7482 AF546
200 µg/ml
$357.00

PP1 Antibody (E-9) Alexa Fluor® 594

sc-7482 AF594
200 µg/ml
$357.00

PP1 Antibody (E-9) Alexa Fluor® 647

sc-7482 AF647
200 µg/ml
$357.00

PP1 Antibody (E-9) Alexa Fluor® 680

sc-7482 AF680
200 µg/ml
$357.00

PP1 Antibody (E-9) Alexa Fluor® 790

sc-7482 AF790
200 µg/ml
$357.00

I have PP1-PE (sc-7482), I will use for Flow Cytometry. At what concentration should I use for 100 ul of washed platelet from 1ml mouse blood? Do you have any recommendation?

Asked by: abva
Thank you for your question. We recommend 1 µg normal immunoglobulins per 1 million cells. Here is our protocol: https://www.scbt.com/resources/protocols/flow-cytometry
Answered by: BlakeJ
Date published: 2024-07-31

PP1抗体 (E-9)可以给动粒染色吗?

Asked by: Mr Wen
感谢您的提问。PP1 抗体 (E-9) 推荐用于 WB, IP, IF, IHC(P) 和 ELISA,检测mouse, rat 和human 来源的 PP1 family catalytic subunits; 也和以下物种反应,包括: 和 canine, bovine and porcine。 若您的样本不属于以上范围,不能提供质保服务。谢谢。 Thank you for your question. PP1 Antibody (E-9) is recommended for detection of PP1 family catalytic subunits of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA; also reactive with additional species, including and canine, bovine and porcine. If your sample does not fall within the above scope, the quality assurance service cannot be provided. Thank you
Answered by: Jiajun Z
Date published: 2023-04-25

Is there an antibody for this protein to detect its phosphorylated form (at Thr 320)?

Asked by: khemeia18
Thank you for your question. We do not offer an antibody specifically against phosphorylated PP1 at residue Thr 320 at this time.
Answered by: Technical Support
Date published: 2019-01-06

How can I ask for a FREE 10 µg sample of PP1 (E-9) (sc-7482)? Thanks.

Asked by: xiaoqin
Thank you for your question. For a limited time, we are offering a free 10 µg sample of this antibody. Please contact our Technical Service Department if you would like to test the antibody before placing your order. Please call us toll-free at (800) 457-3801 option 2, e-mail <scbt@scbt.com>, or use the live chat on our website.
Answered by: Technical Support
Date published: 2017-09-27

Does this antibody pick up all 3 isoforms (PP1a, PP1b and PP1g)? Or is it recognizing only PP1a?

Asked by: PHVS
Thank you for your question. PP1 Antibody (E-9): sc-7482 is raised against full length phosphatase PP1α of human origin. The exact epitope recognized by this monoclonal antibody has not been determined, so it may recognize all 3 isoforms, but this has not been confirmed experimentally. The antibody was validated by Western blot to recognize PP1 alpha using a specific transfected lysate.
Answered by: Technical Support
Date published: 2017-03-22

What is the recommended secondary reagent to be used with this mouse monoclonal primary?

Asked by: jerojero
We recommend using one our exclusive Mouse IgG Binding Proteins as a secondary detection reagent. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety
Answered by: Tech Service 3
Date published: 2016-12-22
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Rated 4 out of 5 by from Good for Western BlotI used this antibody to check PP1 protein levels in HEK293 cells, and obtained high quality WB results. Used 1:1000 in 0,5% milk. Recommended
Date published: 2024-10-07
Rated 5 out of 5 by from great antibodyI tired this antibody by WB, it works pretty good!
Date published: 2019-11-27
Rated 5 out of 5 by from good productThis antibody works pretty well for western blot in our lab.
Date published: 2018-05-09
Rated 5 out of 5 by from 好用的抗体试用后购买了该产品,WB和IP都很好用!客服非常nice,沟通和回复很及时,希望Santa Cruz的抗体更好用!
Date published: 2017-12-26
Rated 5 out of 5 by from Nice antibody detects endogenous PP1I look for a PP1 antibody that can detect the endogenous protein. This antibody did it job! Highly recommended.
Date published: 2017-11-30
Rated 5 out of 5 by from Great antibodyExcellent signal using 1:1,000 dilution in heart total lysate (WB). Quite clean antibody.
Date published: 2017-09-25
Rated 5 out of 5 by from Clear ressultsVery clear signal and sensitivity to the PP1 positive cells (LNCap cell).1:1000 dilution is used, strong band ,very great result.
Date published: 2017-09-20
Rated 5 out of 5 by from positive resultNo non-specific binding Very clear signal and sensitivity to the PP1 positive cells (A431 cell).1:1000 dilution is used, strong band ,very great result.
Date published: 2017-07-29
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PP1 Antibody (E-9) is rated 4.7 out of 5 by 24.
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