Date published: 2026-5-2

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Polycystin-2 Antibody (D-3): sc-28331

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Datasheets
  • Polycystin-2 Antibody (D-3) is a mouse monoclonal IgG2b κ, cited in 33 publications, provided at 200 µg/ml
  • raised against amino acids 689-968 of Polycystin-2 of human origin
  • Anti-Polycystin-2 Antibody (D-3) is recommended for detection of Polycystin-2 of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-Polycystin-2 Antibody (D-3) 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 Polycystin-2 Antibody (D-3) for WB and IHC(P) applications. These reagents are now offered in bundles with Polycystin-2 Antibody (D-3) (see ordering information below).
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Polycystin-2 Antibody (D-3) is a mouse monoclonal IgG2b kappa light chain antibody that specifically targets Polycystin-2, also known as PKD2, with reactivity confirmed across human, rat, and mouse origins in applications including western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). Polycystin-2 is a crucial transmembrane protein involved in calcium signaling and is integral to maintaining normal kidney function, as PKD2 regulates ion transport within cells. Defects in Polycystin-2 are implicated in autosomal dominant polycystic kidney disease (ADPKD), where mutations contribute to the formation of cysts within kidney tubules, leading to progressive kidney dysfunction. PKD2 localizes primarily within kidney structures like medullary and cortical collecting ducts and distal convoluted tubules and interacts with Polycystin-1 to regulate AP-1 signaling, impacting cell proliferation, differentiation, and apoptosis. Through association with Hax-1, Polycystin-2 may also influence cell-matrix interactions, further supporting cellular stability and function. Polycystin-2 (D-3) antibody is available as a non-conjugated format or with multiple conjugates, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and various Alexa Fluor® options, allowing versatile application in detecting and studying PKD2′s role in ADPKD and other cellular processes.

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

Polycystin-2 Antibody (D-3) References:

  1. Cellular activation triggered by the autosomal dominant polycystic kidney disease gene product PKD2.  |  Arnould, T., et al. 1999. Mol Cell Biol. 19: 3423-34. PMID: 10207066
  2. Coordinate expression of the autosomal dominant polycystic kidney disease proteins, polycystin-2 and polycystin-1, in normal and cystic tissue.  |  Ong, AC., et al. 1999. Am J Pathol. 154: 1721-9. PMID: 10362797
  3. Identification and characterization of polycystin-2, the PKD2 gene product.  |  Cai, Y., et al. 1999. J Biol Chem. 274: 28557-65. PMID: 10497221
  4. Polycystin-1, the PKD1 gene product, is in a complex containing E-cadherin and the catenins.  |  Huan, Y. and van Adelsberg, J. 1999. J Clin Invest. 104: 1459-68. PMID: 10562308
  5. The rat pkd2 protein assumes distinct subcellular distributions in different organs.  |  Obermüller, N., et al. 1999. Am J Physiol. 277: F914-25. PMID: 10600939
  6. Cardiac defects and renal failure in mice with targeted mutations in Pkd2.  |  Wu, G., et al. 2000. Nat Genet. 24: 75-8. PMID: 10615132
  7. The polycystic kidney disease protein PKD2 interacts with Hax-1, a protein associated with the actin cytoskeleton.  |  Gallagher, AR., et al. 2000. Proc Natl Acad Sci U S A. 97: 4017-22. PMID: 10760273
  8. The polycystic kidney disease 1 gene product mediates protein kinase C alpha-dependent and c-Jun N-terminal kinase-dependent activation of the transcription factor AP-1.  |  Arnould, T., et al. 1998. J Biol Chem. 273: 6013-8. PMID: 9497315

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Polycystin-2 Antibody (D-3)

sc-28331
200 µg/ml
$322.00

Polycystin-2 Antibody (D-3): m-IgG Fc BP-HRP Bundle

sc-528427
200 µg Ab; 10 µg BP
$361.00

Polycystin-2 Antibody (D-3): m-IgGκ BP-HRP Bundle

sc-520801
200 µg Ab, 40 µg BP
$361.00

Polycystin-2 Antibody (D-3): m-IgG2b BP-HRP Bundle

sc-550036
200 µg Ab; 10 µg BP
$361.00

Polycystin-2 Antibody (D-3) AC

sc-28331 AC
500 µg/ml, 25% agarose
$424.00

Polycystin-2 Antibody (D-3) HRP

sc-28331 HRP
200 µg/ml
$322.00

Polycystin-2 Antibody (D-3) FITC

sc-28331 FITC
200 µg/ml
$336.00

Polycystin-2 Antibody (D-3) PE

sc-28331 PE
200 µg/ml
$349.00

Polycystin-2 Antibody (D-3) Alexa Fluor® 488

sc-28331 AF488
200 µg/ml
$364.00

Polycystin-2 Antibody (D-3) Alexa Fluor® 546

sc-28331 AF546
200 µg/ml
$364.00

Polycystin-2 Antibody (D-3) Alexa Fluor® 594

sc-28331 AF594
200 µg/ml
$364.00

Polycystin-2 Antibody (D-3) Alexa Fluor® 647

sc-28331 AF647
200 µg/ml
$364.00

Polycystin-2 Antibody (D-3) Alexa Fluor® 680

sc-28331 AF680
200 µg/ml
$364.00

Polycystin-2 Antibody (D-3) Alexa Fluor® 790

sc-28331 AF790
200 µg/ml
$364.00

Hello, I would like to use a blocking peptide to preadsorb an antibody (sc-28331) as a negative control. We are interested in synthesizing a peptide to do this using the immunogen sequence. How were the immunogen peptides for this antibody produced?

Asked by: Chris
Thank you for your question. The immunogen is proprietary but is is a link for more information on the protein. https://www.uniprot.org/uniprotkb/Q13563/entry
Answered by: BlakeJ
Date published: 2025-01-08

Can you address the discrepancy between your datasheets for the D3 and YCE2 antibodies? The sheet for YCE2 lists PC2 molecular weight as 110 kDa, consistent with current research. However, D3 sheet says 130 kDa, and the example image supports it-- how?

Asked by: Klab
Thank you for bringing this discrepancy on our product data sheets to our attention. We are going to update them to be consistent. According to Uniprot, and the literature, the predicted molecular weight for isoform 1 of Polycystin-2 is ~ 110 kDa. However, we typically observe a higher molecular weight ~ 130-134 kDa. This may be due to post-translational modification of the protein as we are aware that Polycystin-2 is glycosylated.
Answered by: Technical Support
Date published: 2020-04-28

Can you provide with a FACS protocol for this antibody (polycystin-2, D3, sc-28331) on cell lines?

Asked by: Curious2
Thank you for your question. We do not have a specific FACS protocol for use with this antibody. Please check our general protocols online, or contact our Technical Support for more information.
Answered by: Technical Support
Date published: 2019-04-13

I am using Polycystin-2 (D-3): sc-28331 monoclonal antibody to stain paraffin embedded tissue. Do you recommend antigen retrieval when using this antibody?

Asked by: TinTin
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 Clear and specific antibody (WB)I use this for WB, and can get clear, specific band.
Date published: 2020-11-30
Rated 5 out of 5 by from Nice IHC-P resultswhen used with heat (sodium citrate) antigen retrieval at 4ug/ml concentration on human tissue
Date published: 2017-12-19
Rated 5 out of 5 by from Clear, specific antibodyThe polycystin-2 D-3 antibody gives very clean, specific bands in western blots of protein from C2C12 cells. Our lab has also used it for immunofluorescence with good results. We'll be purchasing more of this antibody!
Date published: 2017-09-21
Rated 5 out of 5 by from Excellent!This antibody is great in Western blot analysis of Polycystin-2 expression in NIH/3T3, 3T3-L1 and RAT2 whole cell lysates.
Date published: 2017-01-27
Rated 5 out of 5 by from Band detected in WB using CakiBand detected in WB using Caki-1 whole cell lysate. -SCBT QC
Date published: 2015-06-30
Rated 4 out of 5 by from Publishable data in ICC using mouse basalPublishable data in ICC using mouse basal body and/or centrosome -SCBT Publication Review
Date published: 2015-05-29
Rated 5 out of 5 by from Publishable data in WB using Human PDL fibroblastsPublishable data in WB using Human PDL fibroblasts -SCBT Publication Review
Date published: 2015-04-15
Rated 5 out of 5 by from Produced superb immunoperoxidase cytoplasmicProduced superb immunoperoxidase cytoplasmic and membrane staining in formalin fixed, paraffin-embedded human kidney tissue. -SCBT QC
Date published: 2015-03-15
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Polycystin-2 Antibody (D-3) is rated 4.6 out of 5 by 10.
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