Date published: 2025-11-24

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ETFB Antibody (F-1): sc-514807

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Datasheets
  • ETFB Antibody (F-1) is a mouse monoclonal IgG3 κ ETFB antibody provided at 200 µg/ml
  • specific for an epitope mapping between amino acids 180-201 within an internal region of ETFB of human origin
  • recommended for detection of ETFB of mouse, rat and human origin by WB, IP, IF and ELISA
  • m-IgG3 BP-HRP is the preferred secondary detection reagent for ETFB Antibody (F-1) for WB applications. This reagent is now offered in a bundle with ETFB Antibody (F-1) (see ordering information below).

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    ETFB Antibody (F-1) is a mouse monoclonal IgG3 kappa light chain antibody that detects ETFB protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). Anti-ETFB antibody (F-1) is available as the non-conjugated form. ETFB protein, also known as electron transfer flavoprotein subunit beta, FP585, MADD, or beta-ETF, is a crucial 255 amino acid protein that plays a significant role in cellular metabolism. ETFB (F-1) antibody targets a protein primarily located in the mitochondrion matrix, where ETFB is abundantly expressed in liver, heart, and skeletal muscle, with lower expression levels in brain, placenta, lung, kidney, and pancreas. ETFB′s mitochondrial localization is important for its function as an electron shuttle, facilitating transfer of electrons between primary flavoprotein dehydrogenases and membrane-bound electron transfer flavoprotein ubiquinone oxidoreductase, which is essential for efficient energy production. ETFB protein exists as a heterodimer composed of alpha and beta subunits, utilizing flavin adenine dinucleotide (FAD) as a cofactor and binding one adenosine monophosphate (AMP) per subunit. ETFB gene is located on human chromosome 19q13.33 and mouse chromosome 7 B4, and mutations in this gene have been associated with glutaric aciduria type 2B (GA2B), an autosomal recessive disorder affecting fatty acid, amino acid, and choline metabolism.

    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

    ETFB Antibody (F-1) References:

    1. A polymorphic variant in the human electron transfer flavoprotein alpha-chain (alpha-T171) displays decreased thermal stability and is overrepresented in very-long-chain acyl-CoA dehydrogenase-deficient patients with mild childhood presentation.  |  Bross, P., et al. 1999. Mol Genet Metab. 67: 138-47. PMID: 10356313
    2. Clear relationship between ETF/ETFDH genotype and phenotype in patients with multiple acyl-CoA dehydrogenation deficiency.  |  Olsen, RK., et al. 2003. Hum Mutat. 22: 12-23. PMID: 12815589
    3. RsaI RFLP for electron transport flavoprotein-beta(ETFB).  |  Royal, V., et al. 1991. Nucleic Acids Res. 19: 4021. PMID: 1677763
    4. ATP5B and ETFB metabolic markers in children with congenital hydronephrosis.  |  Zhao, Q., et al. 2016. Mol Med Rep. 14: 5111-5115. PMID: 27840937
    5. Integrated analysis of ultra-deep proteomes in cortex, cerebrospinal fluid and serum reveals a mitochondrial signature in Alzheimer's disease.  |  Wang, H., et al. 2020. Mol Neurodegener. 15: 43. PMID: 32711556
    6. A 20-year Clinical and Genetic Neuromuscular Cohort Analysis in Lebanon: An International Effort.  |  Megarbane, A., et al. 2022. J Neuromuscul Dis. 9: 193-210. PMID: 34602496
    7. Mutations and polymorphisms of the gene encoding the beta-subunit of the electron transfer flavoprotein in three patients with glutaric acidemia type II.  |  Colombo, I., et al. 1994. Hum Mol Genet. 3: 429-35. PMID: 7912128
    8. Assignment of the gene encoding the beta-subunit of the electron-transfer flavoprotein (ETFB) to human chromosome 19q13.3.  |  Antonacci, R., et al. 1994. Genomics. 19: 177-9. PMID: 8188225
    9. cDNA cloning and mitochondrial import of the beta-subunit of the human electron-transfer flavoprotein.  |  Finocchiaro, G., et al. 1993. Eur J Biochem. 213: 1003-8. PMID: 8504797
    10. Assignment of Etfdh, Etfb, and Etfa to chromosomes 3, 7, and 13: the mouse homologs of genes responsible for glutaric acidemia type II in human.  |  White, RA., et al. 1996. Genomics. 33: 131-4. PMID: 8617498
    11. Three-dimensional structure of human electron transfer flavoprotein to 2.1-A resolution.  |  Roberts, DL., et al. 1996. Proc Natl Acad Sci U S A. 93: 14355-60. PMID: 8962055
    12. Fatty acid oxidation disorders as primary cause of sudden and unexpected death in infants and young children: an investigation performed on cultured fibroblasts from 79 children who died aged between 0-4 years.  |  Lundemose, JB., et al. 1997. Mol Pathol. 50: 212-7. PMID: 9350306

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    ETFB Antibody (F-1)

    sc-514807
    200 µg/ml
    $316.00

    ETFB Antibody (F-1): m-IgG3 BP-HRP Bundle

    sc-550618
    200 µg Ab; 40 µg BP
    $354.00

    ETFB (F-1) Neutralizing Peptide

    sc-514807 P
    100 µg/0.5 ml
    $68.00

    What is the difference between ETFB (F-1) and ETFB (E-1) ?

    Asked by: shujing
    Thank you for your question. These are raised against different antigens and have different epitopes.
    Answered by: Technical Support
    Date published: 2018-12-21

    What application is the blocking peptide sc-514807 P appropriate for?

    Asked by: Cweed
    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: 2017-03-01
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    Rated 5 out of 5 by from Good for Western Blot of ETFBThis antibody has a strong band at the expected molecular weight in human liver and human heart tissue extracts. -SCBT QC
    Date published: 2023-09-14
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    ETFB Antibody (F-1) is rated 5.0 out of 5 by 1.
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