Date published: 2026-4-5

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FXYD3 Antibody (A-8): sc-271808

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Datasheets
  • FXYD3 Antibody (A-8) is a mouse monoclonal IgG1 κ FXYD3 antibody provided at 200 µg/ml
  • raised against amino acids 1-87 representing full length FXYD3 of human origin
  • FXYD3 Antibody (A-8) is recommended for detection of FXYD3 of human origin by WB, IP, IF and ELISA
  • Anti-FXYD3 Antibody (A-8) 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 FXYD3 Antibody (A-8) for WB applications. These reagents are now offered in bundles with FXYD3 Antibody (A-8) (see ordering information below).
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    FXYD3 Antibody (A-8) is a mouse monoclonal IgG1 kappa light chain antibody that detects FXYD3 protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). FXYD3 (A-8) 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. FXYD3, a member of the FXYD family, plays a crucial role in maintaining sodium and potassium gradients across cell membranes, which is essential for processes such as renal sodium reabsorption, muscle contraction, and neuronal excitability. Structurally, FXYD3 is characterized as a single-span membrane protein that features a 35 amino acid signature domain, starting with the sequence PFXYD, and contains seven invariant and six conserved amino acids. This 67 amino acid protein may function as a chloride channel or a regulator of chloride channels, and FXYD3 is notably expressed in a subset of human breast tumors, indicating a potential role in cancer biology. FXYD3 has a putative 20 amino acid leader sequence and a transmembrane domain that includes two cysteine residues, which may be important for structural integrity and function. FXYD3 lacks consensus phosphorylation sites in its cytoplasmic domain, suggesting regulation may occur through alternative mechanisms.

    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

    FXYD3 Antibody (A-8) References:

    1. The FXYD gene family of small ion transport regulators or channels: cDNA sequence, protein signature sequence, and expression.  |  Sweadner, KJ. and Rael, E. 2000. Genomics. 68: 41-56. PMID: 10950925
    2. FXYD3 (Mat-8), a new regulator of Na,K-ATPase.  |  Crambert, G., et al. 2005. Mol Biol Cell. 16: 2363-71. PMID: 15743908
    3. FXYD3 is overexpressed in pancreatic ductal adenocarcinoma and influences pancreatic cancer cell growth.  |  Kayed, H., et al. 2006. Int J Cancer. 118: 43-54. PMID: 16003754
    4. Stable expression and visualization of Mat-8 (FXYD-3) tagged with a fluorescent protein in Chinese hamster ovary (CHO)-K1 cells.  |  Arimochi, J., et al. 2005. Biotechnol Lett. 27: 1017-24. PMID: 16132847
    5. FXYD3 protein involved in tumor cell proliferation is overproduced in human breast cancer tissues.  |  Yamamoto, H., et al. 2009. Biol Pharm Bull. 32: 1148-54. PMID: 19571376
    6. Down-regulation of FXYD3 is induced by transforming growth factor-β signaling via ZEB1/δEF1 in human mammary epithelial cells.  |  Yamamoto, H., et al. 2011. Biol Pharm Bull. 34: 324-9. PMID: 21372379
    7. Tissue-based proteomics reveals FXYD3, S100A11 and GSTM3 as novel markers for regional lymph node metastasis in colon cancer.  |  Meding, S., et al. 2012. J Pathol. 228: 459-70. PMID: 22430872
    8. External validation of FXYD3 and KRT20 as predictive biomarkers for the presence of micrometastasis in muscle invasive bladder cancer lymph nodes.  |  Ramírez-Backhaus, M., et al. 2015. Actas Urol Esp. 39: 473-81. PMID: 25920992
    9. Estrogen and tamoxifen up-regulate FXYD3 on breast cancer cells: assessing the differential roles of ER α and ZEB1.  |  Herrmann, P. and Aronica, SM. 2015. Springerplus. 4: 245. PMID: 26090296
    10. Extracellular vesicles-encapsulated let-7i shed from bone mesenchymal stem cells suppress lung cancer via KDM3A/DCLK1/FXYD3 axis.  |  Liu, J., et al. 2021. J Cell Mol Med. 25: 1911-1926. PMID: 33350586
    11. Mat-8, a novel phospholemman-like protein expressed in human breast tumors, induces a chloride conductance in Xenopus oocytes.  |  Morrison, BW., et al. 1995. J Biol Chem. 270: 2176-82. PMID: 7836447
    12. neu and ras initiate murine mammary tumors that share genetic markers generally absent in c-myc and int-2-initiated tumors.  |  Morrison, BW. and Leder, P. 1994. Oncogene. 9: 3417-26. PMID: 7970700

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    FXYD3 Antibody (A-8)

    sc-271808
    200 µg/ml
    $322.00

    FXYD3 Antibody (A-8): m-IgG Fc BP-HRP Bundle

    sc-529265
    200 µg Ab; 10 µg BP
    $361.00

    FXYD3 Antibody (A-8): m-IgGκ BP-HRP Bundle

    sc-522067
    200 µg Ab, 40 µg BP
    $361.00

    FXYD3 Antibody (A-8) AC

    sc-271808 AC
    500 µg/ml, 25% agarose
    $424.00

    FXYD3 Antibody (A-8) HRP

    sc-271808 HRP
    200 µg/ml
    $322.00

    FXYD3 Antibody (A-8) FITC

    sc-271808 FITC
    200 µg/ml
    $336.00

    FXYD3 Antibody (A-8) PE

    sc-271808 PE
    200 µg/ml
    $349.00

    FXYD3 Antibody (A-8) Alexa Fluor® 488

    sc-271808 AF488
    200 µg/ml
    $364.00

    FXYD3 Antibody (A-8) Alexa Fluor® 546

    sc-271808 AF546
    200 µg/ml
    $364.00

    FXYD3 Antibody (A-8) Alexa Fluor® 594

    sc-271808 AF594
    200 µg/ml
    $364.00

    FXYD3 Antibody (A-8) Alexa Fluor® 647

    sc-271808 AF647
    200 µg/ml
    $364.00

    FXYD3 Antibody (A-8) Alexa Fluor® 680

    sc-271808 AF680
    200 µg/ml
    $364.00

    FXYD3 Antibody (A-8) Alexa Fluor® 790

    sc-271808 AF790
    200 µg/ml
    $364.00

    What is the recommended starting dilution for Western blot for sc-271808: FXYD3 (A-8) monoclonal antibody?

    Asked by: cjMara
    The recommended starting dilution for Western blot is 1:100 with a dilution range of 1:100-1:1000. This information, along with other technical specifications, is available in the recommended protocol: https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
    Answered by: Technical Support
    Date published: 2017-03-22
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    Rated 5 out of 5 by from Great for Western BlotAntibody detects very strong bands at expected molecular weight in LNCaP, MCF7, and A-431 whole cell lysates. -SCBT QC
    Date published: 2023-09-14
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    FXYD3 Antibody (A-8) is rated 5.0 out of 5 by 2.
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