Date published: 2026-4-24

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Factor B Antibody (M20/6): sc-47680

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Datasheets
  • Factor B Antibody (M20/6) is a mouse monoclonal IgG1 κ provided at 200 µg/ml
  • raised against complement protein factor B of human origin
  • recommended for detection of Complement Factor B Ba Fragment of human origin by WB and IP
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for Factor B Antibody (M20/6) for WB applications. These reagents are now offered in bundles with Factor B Antibody (M20/6) (see ordering information below).
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    Factor B Antibody (M20/6) is a mouse monoclonal IgG1 antibody that detects Factor B in human samples through applications such as western blotting (WB) and immunoprecipitation (IP). Factor B (M20/6) antibody recognizes a protein that plays a crucial role in the alternative pathway of the complement system, where Factor B is cleaved by Factor D into two fragments, Ba and Bb. The Bb fragment combines with complement Factor 3b to form the C3 or C5 convertase, which is essential for amplifying the complement response. This process supports the differentiation and proliferation of preactivated B lymphocytes, as well as the lysis of erythrocytes and stimulation of lymphocyte blastogenesis. Ba serves an important regulatory function by inhibiting the proliferation of preactivated B lymphocytes, thereby maintaining immune homeostasis. The intricate balance of these interactions underscores Factor B′s importance in immune responses and potential implications in autoimmune diseases and infections. Anti-Factor B antibody (M20/6) serves as an invaluable tool for researchers studying the complement system and its role in various biological 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

    Factor B Antibody (M20/6) References:

    1. Recent advances in structure-functional studies of mitochondrial factor B.  |  Belogrudov, GI. 2009. J Bioenerg Biomembr. 41: 137-43. PMID: 19377834
    2. The Ba fragment of complement factor B inhibits human B lymphocyte proliferation.  |  Ambrus, JL., et al. 1990. J Immunol. 144: 1549-53. PMID: 2307833
    3. Vascular endothelial growth factor-B: Impact on physiology and pathology.  |  Zhu, H., et al. 2018. Cell Adh Migr. 12: 215-227. PMID: 29095085
    4. Adipose tissue complement factor B promotes adipocyte maturation.  |  Matsunaga, H., et al. 2018. Biochem Biophys Res Commun. 495: 740-748. PMID: 29137982
    5. Vascular Endothelial Growth Factor B and Its Signaling.  |  Lal, N., et al. 2018. Front Cardiovasc Med. 5: 39. PMID: 29732375
    6. Complement Factor B Mediates Ocular Angiogenesis through Regulating the VEGF Signaling Pathway.  |  Murray, H., et al. 2021. Int J Mol Sci. 22: PMID: 34502486
    7. Peptides Derived from Vascular Endothelial Growth Factor B Show Potent Binding to Neuropilin-1.  |  Mota, F., et al. 2022. Chembiochem. 23: e202100463. PMID: 34647407
    8. Factor B Inhibition with Iptacopan in Recurrent C3 Glomerulopathy Following Kidney Transplant: A Report of Two Cases.  |  Escudero-Saiz, VJ., et al. 2024. Kidney Med. 6: 100823. PMID: 38741947
    9. Vascular endothelial growth factor B, a novel growth factor for endothelial cells.  |  Olofsson, B., et al. 1996. Proc Natl Acad Sci U S A. 93: 2576-81. PMID: 8637916

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    Factor B Antibody (M20/6)

    sc-47680
    200 µg/ml
    $322.00

    Factor B Antibody (M20/6): m-IgG Fc BP-HRP Bundle

    sc-536795
    200 µg Ab; 10 µg BP
    $361.00

    Factor B Antibody (M20/6): m-IgGκ BP-HRP Bundle

    sc-533959
    200 µg Ab; 40 µg BP
    $361.00

    Factor B Antibody (M20/6): m-IgG1 BP-HRP Bundle

    sc-544821
    200 µg Ab; 20 µg BP
    $361.00