Date published: 2025-10-3

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CD55 Antibody (NaM16-4D3): sc-51733

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Datasheets
  • CD55 Antibody (NaM16-4D3) is a mouse monoclonal IgG1 κ CD55 antibody, cited in 17 publications, provided at 200 µg/ml
  • raised against CD55 of human origin
  • CD55 Antibody (NaM16-4D3) is recommended for detection of CD55 of mouse, rat and human origin by WB, IP, IF, IHC(P) and FCM
  • Anti-CD55 Antibody (NaM16-4D3) 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 and m-IgGκ BP-HRP are the preferred secondary detection reagents for CD55 Antibody (NaM16-4D3) for WB and IHC(P) applications. These reagents are now offered in bundles with CD55 Antibody (NaM16-4D3) (see ordering information below).

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CD55 Antibody (NaM16-4D3) is a mouse monoclonal IgG1 kappa light chain antibody that detects CD55 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and flow cytometry (FCM). CD55 (NaM16-4D3) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. CD55, also known as decay-accelerating factor (DAF), is a glycosylphosphatidylinositol (GPI)-anchored single-chain glycoprotein that plays a crucial role in regulating the complement system. By inhibiting the formation of the C3 convertase enzyme complex, CD55 prevents complement-mediated lysis of cells, thereby protecting them from damage during immune responses. This protective function is particularly important in tissues that are in contact with serum, as CD55 is expressed on a variety of cell types, including hematopoietic and many non-hematopoietic cells. CD55′s ability to modulate the complement cascade highlights its significance in maintaining cellular integrity and preventing excessive inflammation, making CD55 a vital target for research in immunology and therapeutic 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

CD55 Antibody (NaM16-4D3) References:

  1. Interactions of CD55 with non-complement ligands.  |  Lea, S. 2002. Biochem Soc Trans. 30: 1014-9. PMID: 12440964
  2. CD55 Facilitates Immune Evasion by Borrelia crocidurae, an Agent of Relapsing Fever.  |  Arora, G., et al. 2022. mBio. 13: e0116122. PMID: 36036625
  3. The genetic and epigenetic regulation of CD55 and its pathway analysis in colon cancer.  |  Liu, J., et al. 2022. Front Immunol. 13: 947136. PMID: 36741376
  4. CD14 facilitates perinatal human cytomegalovirus infection in biliary epithelial cells via CD55.  |  Su, L., et al. 2024. JHEP Rep. 6: 101018. PMID: 38601478
  5. Exercise training upregulates CD55 to suppress complement-mediated synaptic phagocytosis in Parkinson's disease.  |  Yao, H., et al. 2024. J Neuroinflammation. 21: 246. PMID: 39342308
  6. Structure and function of decay accelerating factor CD55.  |  Nicholson-Weller, A. and Wang, CE. 1994. J Lab Clin Med. 123: 485-91. PMID: 7511675
  7. Distribution of C3-step regulatory proteins of the complement system, CD35 (CR1), CD46 (MCP), and CD55 (DAF), in hematological malignancies.  |  Seya, T., et al. 1994. Leuk Lymphoma. 12: 395-400. PMID: 7514063
  8. Expression of functional decay-accelerating factor (CD55) in transgenic mice protects against human complement-mediated attack.  |  van Denderen, BJ., et al. 1996. Transplantation. 61: 582-8. PMID: 8610385
  9. Characterisation of the complement-regulatory proteins decay-accelerating factor (DAF, CD55) and membrane cofactor protein (MCP, CD46) on a human colonic adenocarcinoma cell line.  |  Bjørge, L., et al. 1996. Cancer Immunol Immunother. 42: 185-92. PMID: 8640847
  10. Control of the complement system.  |  Liszewski, MK., et al. 1996. Adv Immunol. 61: 201-83. PMID: 8834497
  11. Complement expression on astrocytes and astrocytoma cell lines: failure of complement regulation at the C3 level correlates with very low CD55 expression.  |  Spiller, OB., et al. 1996. J Neuroimmunol. 71: 97-106. PMID: 8982108
  12. Molecular modeling and mechanism of action of human decay-accelerating factor.  |  Kuttner-Kondo, L., et al. 1996. Protein Eng. 9: 1143-9. PMID: 9010927

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CD55 Antibody (NaM16-4D3)

sc-51733
200 µg/ml
$316.00

CD55 Antibody (NaM16-4D3): m-IgG Fc BP-HRP Bundle

sc-528543
200 µg Ab; 10 µg BP
$354.00

CD55 Antibody (NaM16-4D3): m-IgGκ BP-HRP Bundle

sc-520941
200 µg Ab, 40 µg BP
$354.00

CD55 Antibody (NaM16-4D3) AC

sc-51733 AC
500 µg/ml, 25% agarose
$416.00

CD55 Antibody (NaM16-4D3) HRP

sc-51733 HRP
200 µg/ml
$316.00

CD55 Antibody (NaM16-4D3) FITC

sc-51733 FITC
200 µg/ml
$330.00

CD55 Antibody (NaM16-4D3) PE

sc-51733 PE
200 µg/ml
$343.00

CD55 Antibody (NaM16-4D3) Alexa Fluor® 488

sc-51733 AF488
200 µg/ml
$357.00

CD55 Antibody (NaM16-4D3) Alexa Fluor® 546

sc-51733 AF546
200 µg/ml
$357.00

CD55 Antibody (NaM16-4D3) Alexa Fluor® 594

sc-51733 AF594
200 µg/ml
$357.00

CD55 Antibody (NaM16-4D3) Alexa Fluor® 647

sc-51733 AF647
200 µg/ml
$357.00

CD55 Antibody (NaM16-4D3) Alexa Fluor® 680

sc-51733 AF680
200 µg/ml
$357.00

CD55 Antibody (NaM16-4D3) Alexa Fluor® 790

sc-51733 AF790
200 µg/ml
$357.00

Question about your Anti-CD55 Antibody (NaM16-4D3): sc-51733. Which CD55 isoform is this antibody raised against? Can it distinguish cell membrane anchored vs transmembrane CD55? Thanks, EL

Asked by: EliasL
Thank you for your question. It would be helpful if you could call us directly at 800-457-3801 ext.1, allowing for a more interactive discussion of this and other related questions.
Answered by: Blake J
Date published: 2021-08-16

Does this antibody works for Immunoprecipitaion? Plz refer any citation.

Asked by: premntu
This primary antibody is recommended and warrantied for immunoprecipitation (IP), however we are still gathering data to show on our website. Check back for updates!
Answered by: Tech Service
Date published: 2019-11-04

Can you provide info on the exact region of the protein to which this ab reacts? Thank you

Asked by: Andris
Thank you for your question. The exact epitope recognized by this mouse monoclonal antibody has not yet been determined.
Answered by: Technical Support
Date published: 2019-06-21

Can CD55 (NaM16-4D3): sc-51733 monoclonal antibody be used in IF or IHC with mouse tissue or cells? Will there be non-specific staining?

Asked by: Trav11
Thank you for your inquiry. The use of mouse monoclonal antibodies with mouse samples is very common and typically poses no problem. To eliminate any potential cross-reactivity of an anti-mouse secondary detection reagent, CD55 (NaM16-4D3): sc-51733 is available in a variety of direct conjugations, such as HRP, PE, FITC and AlexaFluors.
Answered by: Technical Support
Date published: 2017-03-01
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Rated 5 out of 5 by from Tested on HFFF by FCMThis antibody was tested on HFFF cells by FACS and shown a very strong signal, even at dilution 1:200
Date published: 2019-03-14
Rated 5 out of 5 by from Excellent!This antibody is great in western blot analysis CD55 expression in PC-3 and AML-193 whole cell lysates.
Date published: 2017-01-26
Rated 5 out of 5 by from Used with human red blood cell samplesUsed with human red blood cell samples. -SCBT Publication Review
Date published: 2015-04-25
Rated 5 out of 5 by from Produced superb immunoperoxidase membraneProduced superb immunoperoxidase membrane staining in formalin fixed, paraffin-embedded human placenta tissue. -SCBT QC
Date published: 2015-04-05
Rated 5 out of 5 by from Works well with transfected lysates via westernWorks well with transfected lysates via western blot analysis. -SCBT QC
Date published: 2015-03-18
Rated 5 out of 5 by from WB: robust band in HeLa whole cell lysatesWB: robust band in HeLa whole cell lysates. -SCBT QC
Date published: 2015-01-30
Rated 5 out of 5 by from Produced nice indirect FCM data for humanProduced nice indirect FCM data for human peripheral blood leukocytes stained with CD55 . -SCBT QC
Date published: 2014-01-15
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CD55 Antibody (NaM16-4D3) is rated 5.0 out of 5 by 7.
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