Date published: 2026-4-5

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band 3 Antibody (A-6): sc-133190

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Datasheets
  • band 3 Antibody (A-6) is a mouse monoclonal IgG2a κ band 3 antibody, cited in 9 publications, provided at 200 µg/ml
  • raised against amino acids 1-105 mapping at the N-terminus of band 3 of human origin
  • band 3 Antibody (A-6) is recommended for detection of band 3 of human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-band 3 Antibody (A-6) 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-IgG2a BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for band 3 Antibody (A-6) for WB and IHC(P) applications. These reagents are now offered in bundles with band 3 Antibody (A-6) (see ordering information below).
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Band 3 Antibody (A-6) is a mouse monoclonal IgG2a kappa light chain antibody that detects band 3 protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). Band 3 (A-6) 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. Band 3, also known as AE1, is a crucial erythrocyte membrane glycoprotein that plays a vital role in maintaining cell structural integrity and facilitating the exchange of chloride and bicarbonate ions across the phospholipid bilayer. Band 3 (A-6) monoclonal antibody helps study protein function essential for proper gas exchange and pH regulation in blood, as band 3 helps transport carbon dioxide from tissues to lungs while maintaining acid-base balance. This approximately 900 amino acid protein features two distinct domains: the amino-terminal domain, or cytoplasmic domain of erythrocyte membrane band 3 (cdb3), which serves as an attachment site for erythrocyte cytoskeleton by binding to ankyrin, and the carboxy-terminal, membrane-associated domain responsible for anion exchange transport. Degradation of band 3 can lead to senescent cell antigen (SCA) formation, expressed on aging cells and signals their removal by the immune system, highlighting band 3′s role in cellular aging and immune response. An isoform of band 3 lacking the first 65 amino acids and not binding ankyrin is expressed in the kidney, indicating diverse functional implications across different tissues.

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

band 3 Antibody (A-6) References:

  1. Caspase 3-mediated proteolysis of the N-terminal cytoplasmic domain of the human erythroid anion exchanger 1 (band 3).  |  Mandal, D., et al. 2003. J Biol Chem. 278: 52551-8. PMID: 14570914
  2. Purification and characterization of the human erythrocyte band 3 protein C-terminal domain.  |  Fu, G., et al. 2004. Biochemistry. 43: 1633-8. PMID: 14769040
  3. The human erythrocyte anion-transport protein. Partial amino acid sequence, conformation and a possible molecular mechanism for anion exchange.  |  Brock, CJ., et al. 1983. Biochem J. 213: 577-86. PMID: 6615451
  4. Anion exchanger 1 in human kidney and oncocytoma differs from erythroid AE1 in its NH2 terminus.  |  Kollert-Jöns, A., et al. 1993. Am J Physiol. 265: F813-21. PMID: 7506871
  5. Role of band 3 in homeostasis and cell shape.  |  Jay, DG. 1996. Cell. 86: 853-4. PMID: 8808620
  6. Association of the band 3 protein with a volume-activated, anion and amino acid channel: a molecular approach.  |  Motais, R., et al. 1997. J Exp Biol. 200: 361-7. PMID: 9050245
  7. The structure and function of band 3 (AE1): recent developments (review).  |  Tanner, MJ. 1997. Mol Membr Biol. 14: 155-65. PMID: 9491367

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

band 3 Antibody (A-6)

sc-133190
200 µg/ml
$322.00

band 3 Antibody (A-6): m-IgG Fc BP-HRP Bundle

sc-528763
200 µg Ab; 10 µg BP
$361.00

band 3 Antibody (A-6): m-IgGκ BP-HRP Bundle

sc-521268
200 µg Ab, 40 µg BP
$361.00

band 3 Antibody (A-6): m-IgG2a BP-HRP Bundle

sc-547161
200 µg Ab; 10 µg BP
$361.00

band 3 Antibody (A-6) AC

sc-133190 AC
500 µg/ml, 25% agarose
$424.00

band 3 Antibody (A-6) HRP

sc-133190 HRP
200 µg/ml
$322.00

band 3 Antibody (A-6) FITC

sc-133190 FITC
200 µg/ml
$336.00

band 3 Antibody (A-6) PE

sc-133190 PE
200 µg/ml
$349.00

band 3 Antibody (A-6) Alexa Fluor® 488

sc-133190 AF488
200 µg/ml
$364.00

band 3 Antibody (A-6) Alexa Fluor® 546

sc-133190 AF546
200 µg/ml
$364.00

band 3 Antibody (A-6) Alexa Fluor® 594

sc-133190 AF594
200 µg/ml
$364.00

band 3 Antibody (A-6) Alexa Fluor® 647

sc-133190 AF647
200 µg/ml
$364.00

band 3 Antibody (A-6) Alexa Fluor® 680

sc-133190 AF680
200 µg/ml
$364.00

band 3 Antibody (A-6) Alexa Fluor® 790

sc-133190 AF790
200 µg/ml
$364.00

Is this antibody (sc-133190) affinity purified?

Asked by: Stephen1977
Thank you for your question. This mouse monoclonal antibody is not affinity purified against the antigen. -Tech Service
Answered by: Tech Service 1
Date published: 2021-01-28

Hello, Does this bind3 antibody work for Facs?

Asked by: Paul_lee
Thank you for your question. This antibody has not yet been tested for FACS. The conjugated primary antibody is recommended and warrantied for flow cytometry (FCM), however we are still gathering data to show on our website. Check back for updates!
Answered by: Technical Support
Date published: 2019-07-13

I am using band 3 (A-6): sc-133190 monoclonal antibody to stain paraffin embedded tissue. Do you recommend antigen retrieval when using this antibody?

Asked by: AbPolly
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 5 out of 5 by from Super!The product has been tested in western and dot blot against samples derived from human red blood cells (extracellular vesicles and cellular extract, 30ug per lane). Tests were run at 1:500 and 1:1000 dilution in PBS + 0.05% tween-20 + 1% fat-free milk (WB analysis) and PBS + 0.005% tween-20 + 1% fat-free milk (Dot blot analysis). The protein has been detected around 95 kDa, as reported in the data sheet. We could detect a very strong signal in both samples. We truly recommend this antibody for the detection of red blood cell-derived samples.
Date published: 2023-03-23
Rated 5 out of 5 by from Excellent!This antibody works great in western blot analysis of band 3 expression in K-562, CCRF-CEM, MEG-01, MOLT-4 and HL-60 whole cell lysates.
Date published: 2017-02-06
Rated 5 out of 5 by from Used this antibody in WB in human cells andUsed this antibody in WB in human cells and works great, happy with it.
Date published: 2015-08-24
Rated 5 out of 5 by from Produced a clear band with HeLa whole cell lysateProduced a clear band with HeLa whole cell lysate. -SCBT QC
Date published: 2015-06-17
Rated 5 out of 5 by from Produced a clear band with HEL 92Produced a clear band with HEL 92.1.7, K-562 and Hep G2 whole cell lysates and human liver tissue extract. -SCBT QC
Date published: 2015-04-23
Rated 5 out of 5 by from Produced beautiful immunoperoxidase membraneProduced beautiful immunoperoxidase membrane staining in formalin fixed, paraffin-embedded human blood vessel tissue. -SCBT QC
Date published: 2013-02-01
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band 3 Antibody (A-6) is rated 5.0 out of 5 by 6.
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