Date published: 2026-5-25

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PDC-E2 Antibody (A-9): sc-365276

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Datasheets
  • PDC-E2 Antibody (A-9) is a mouse monoclonal IgG1 κ, cited in 2 publications, provided at 200 µg/ml
  • specific for an epitope mapping between amino acids 83-117 within an internal region of PDC-E2 of human origin
  • recommended for detection of PDC-E2 of mouse, rat, human and avian origin by WB, IP, IF, IHC(P) and ELISA; also reactive with additional species, including and canine, porcine and avian
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for PDC-E2 Antibody (A-9) for WB and IHC(P) applications. These reagents are now offered in bundles with PDC-E2 Antibody (A-9) (see ordering information below).
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PDC-E2 Antibody (A-9) is a mouse monoclonal IgG1 antibody that detects PDC-E2 in mouse, rat, and human samples through various applications including western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). PDC-E2 plays a crucial role in cellular metabolism as a key component of the pyruvate dehydrogenase multienzyme complex, which is essential for converting pyruvate into acetyl-CoA, a vital substrate for the citric acid cycle. This conversion is not only critical for energy production but also for the synthesis of fatty acids and amino acids, making PDC-E2 integral to maintaining metabolic homeostasis. PDC-E2′s structure includes both an amino-terminal lipoyl-bearing domain and a carboxy-terminal catalytic domain, with the lipoyl domain being particularly important for enzymatic activity. The presence of autoantibodies against PDC-E2 in patients with primary biliary cirrhosis highlights PDC-E2′s significance in autoimmune responses, as these autoantibodies can lead to the destruction of biliary epithelial cells, further emphasizing PDC-E2′s importance in both health and disease. Anti-PDC-E2 antibody (A-9) is an invaluable tool for researchers studying metabolic disorders and autoimmune diseases, providing insights into the underlying mechanisms of these conditions.

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

PDC-E2 Antibody (A-9) References:

  1. Quantitative and functional analysis of PDC-E2-specific autoreactive cytotoxic T lymphocytes in primary biliary cirrhosis.  |  Kita, H., et al. 2002. J Clin Invest. 109: 1231-40. PMID: 11994412
  2. Sidechain biology and the immunogenicity of PDC-E2, the major autoantigen of primary biliary cirrhosis.  |  Mao, TK., et al. 2004. Hepatology. 40: 1241-8. PMID: 15558739
  3. Catalytic domain of PDC-E2 contains epitopes recognized by antimitochondrial antibodies in primary biliary cirrhosis.  |  Braun, S., et al. 2010. World J Gastroenterol. 16: 973-81. PMID: 20180236
  4. Nuclear localization of pyruvate dehydrogenase complex-E2 (PDC-E2), a mitochondrial enzyme, and its role in signal transducer and activator of transcription 5 (STAT5)-dependent gene transcription.  |  Chueh, FY., et al. 2011. Cell Signal. 23: 1170-8. PMID: 21397011
  5. Antibodies to post-translationally modified mitochondrial peptide PDC-E2(167-184) in type 1 diabetes.  |  Nuti, F., et al. 2018. Arch Biochem Biophys. 659: 66-74. PMID: 30266625
  6. p-STAT3 is a PDC-E2 interacting partner in human cholangiocytes and hepatocytes with potential pathobiological implications.  |  Kilanczyk, E., et al. 2021. Sci Rep. 11: 21649. PMID: 34737337
  7. Identification of a novel PDC-E2 epitope in primary biliary cholangitis: Application for engineered Treg therapy.  |  Tewari, R., et al. 2024. J Autoimmun. 149: 103327. PMID: 39476446
  8. Abnormal expression of PDC-E2 on the apical surface of biliary epithelial cells in patients with antimitochondrial antibody-negative primary biliary cirrhosis.  |  Tsuneyama, K., et al. 1995. Hepatology. 22: 1440-6. PMID: 7590661
  9. Random phage mimotopes recognized by monoclonal antibodies against the pyruvate dehydrogenase complex-E2 (PDC-E2).  |  Cha, S., et al. 1996. Proc Natl Acad Sci U S A. 93: 10949-54. PMID: 8855289
  10. Inhibition of PDC-E2 human combinatorial autoantibodies by peptide mimotopes.  |  Leung, PS., et al. 1996. J Autoimmun. 9: 785-93. PMID: 9115581

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

PDC-E2 Antibody (A-9)

sc-365276
200 µg/ml
$322.00

PDC-E2 Antibody (A-9): m-IgG Fc BP-HRP Bundle

sc-540325
200 µg Ab; 10 µg BP
$361.00

PDC-E2 Antibody (A-9): m-IgG1 BP-HRP Bundle

sc-542042
200 µg Ab; 20 µg BP
$361.00

PDC-E2 (A-9) Neutralizing Peptide

sc-365276 P
100 µg/0.5 ml
$69.00

What application is the blocking peptide sc-365276 P appropriate for?

Asked by: Trav11
Thank you for your question. The blocking peptide is intended for use as a negative control, by pre-adsorbing the mouse monoclonal antibody against the antigen. For full protocol details, please contact our Technical Services Department or view our online protocol here: https://www.scbt.com/scbt/resources/protocols/peptide-neutralization
Answered by: Technical Support
Date published: 2017-02-24
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Rated 5 out of 5 by from Produced excellent immunoperoxidase cytoplasmicProduced excellent immunoperoxidase cytoplasmic staining in formalin fixed, paraffin-embedded human brain tissue. -SCBT QC
Date published: 2015-04-18
Rated 5 out of 5 by from Great Western Blot data of PDCGreat Western Blot data of PDC-E2 expression in HeLa whole cell lysate. -SCBT QC
Date published: 2013-01-26
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PDC-E2 Antibody (A-9) is rated 5.0 out of 5 by 2.
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