Date published: 2026-4-24

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SmcY Antibody (4C6): sc-293280

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Datasheets
  • SmcY Antibody (4C6) is a mouse monoclonal IgG1 κ SmcY antibody, cited in 1 publications, provided at 100 µg/ml
  • raised against amino acids 127-230 of SmcY of human origin
  • recommended for detection of SmcY of human origin by WB, IP and ELISA; may cross-react with SmcX
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for SmcY Antibody (4C6). This work is in progress.
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SmcY Antibody (4C6) is a mouse monoclonal IgG1 kappa light chain antibody that detects SmcY protein of human origin by western blotting (WB), immunoprecipitation (IP), and enzyme-linked immunosorbent assay (ELISA). Anti-SmcY antibody (4C6) is available as the non-conjugated format. SmcY protein, also known as JARID1D (Jumonji/ARID domain-containing protein 1D), HY, HYA, or KDM5D, is a crucial nuclear protein that belongs to the JARID1 histone demethylase family. Encoded by a gene located on the Y chromosome, SmcY is exclusively expressed in male tissues, where SmcY plays a vital role as a histone demethylase, specifically removing methyl groups from Histone H3. This demethylation is essential for regulating gene expression and maintaining the histone code, which influences chromatin structure and function. SmcY utilizes ascorbate (vitamin C) and iron as cofactors and features several functional domains, including a JMJC domain that is integral to enzymatic activity. Notably, SmcY can be cleaved into a small peptide that acts as a minor histocompatibility antigen, known as HY or HYA, which is implicated in the rejection of female tissue and may play a significant role in male development and fertility. Additionally, the existence of multiple isoforms of SmcY due to alternative splicing events highlights the complexity and regulatory potential of this protein 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

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SmcY Antibody (4C6) References:

  1. Mouse H-Y encoding Smcy gene and its X chromosomal homolog Smcx.  |  Agulnik, AI., et al. 1999. Mamm Genome. 10: 926-9. PMID: 10441747
  2. Smcy transgene does not rescue spermatogenesis in sex-reversed mice.  |  Agulnik, AI., et al. 2001. Mamm Genome. 12: 112-6. PMID: 11210179
  3. Identification of the immunodominant HY H2-D(k) epitope and evaluation of the role of direct and indirect antigen presentation in HY responses.  |  Millrain, M., et al. 2005. J Immunol. 175: 7209-17. PMID: 16301625
  4. A simplified gene-specific screen for Y chromosome deletions in infertile men.  |  Teng, YN., et al. 2007. Fertil Steril. 87: 1291-300. PMID: 17296183
  5. The X-linked mental retardation gene SMCX/JARID1C defines a family of histone H3 lysine 4 demethylases.  |  Iwase, S., et al. 2007. Cell. 128: 1077-88. PMID: 17320160
  6. Development of Y chromosome intraspecific polymorphic markers in the Felidae.  |  Luo, SJ., et al. 2007. J Hered. 98: 400-13. PMID: 17646273
  7. Spermatogenesis-specific association of SMCY and MSH5.  |  Akimoto, C., et al. 2008. Genes Cells. 13: 623-33. PMID: 18459961
  8. A mouse Y chromosome gene encoded by a region essential for spermatogenesis and expression of male-specific minor histocompatibility antigens.  |  Agulnik, AI., et al. 1994. Hum Mol Genet. 3: 873-8. PMID: 7524912
  9. Human H-Y: a male-specific histocompatibility antigen derived from the SMCY protein.  |  Wang, W., et al. 1995. Science. 269: 1588-90. PMID: 7667640
  10. Gene sequence and evolutionary conservation of human SMCY.  |  Kent-First, MG., et al. 1996. Nat Genet. 14: 128-9. PMID: 8841177
  11. Analysis of mutation rates in the SMCY/SMCX genes shows that mammalian evolution is male driven.  |  Agulnik, AI., et al. 1997. Mamm Genome. 8: 134-8. PMID: 9060413
  12. HA-1 and the SMCY-derived peptide FIDSYICQV (H-Y) are immunodominant minor histocompatibility antigens after bone marrow transplantation.  |  Rufer, N., et al. 1998. Transplantation. 66: 910-6. PMID: 9798702

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

SmcY Antibody (4C6)

sc-293280
100 µg/ml
$322.00

This protein is encoded on the Y chromosome, yet you have a positive band in samples from females, thus your antibody is likely recognizing the similar protein on the X chromosome, KDM5C. Can you update this listing?

Asked by: Adrianna
Thank you for your question. SmcY Antibody (4C6): sc-293280 is a mouse monoclonal raised against amino acids 127-230 of SmcY of human origin. This immunogenic sequence is highly conserved with SmcX (also known as KDM5C) in humans. Therefore, it is possible that the antibody may cross-react with SmcX in human placenta tissue, as shown in the Western blot data on our website. We will update our product information to include mention of this cross-reactivity.
Answered by: Technical Support
Date published: 2017-05-04

For Western Blot, is it recommended to use denatured or non-denatured conditions with SmcY (4C6): sc-293280 antibody?

Asked by: TinTin
Thank you for your question. We recommend this antibody for use in denatured Western Blot conditions. It has not been validated for use in non-denatured conditions. Please contact our Technical Service Department for further details or inquiries.
Answered by: Technical Support
Date published: 2017-03-27
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Rated 5 out of 5 by from Good for Western BlotAntibody detects human SmcY in K-562 cell lysate and human placenta tissue extract by Western blot. -SCBT QC
Date published: 2023-09-14
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SmcY Antibody (4C6) is rated 5.0 out of 5 by 1.
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