Date published: 2026-3-17

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NFX1 Antibody (Y-14): sc-100973

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  • NFX1 Antibody (Y-14) is a mouse monoclonal IgG2a κ NFX1 antibody provided at 100 µg/ml
  • raised against recombinant NFX1 of human origin
  • recommended for detection of NFX1 of human origin by WB, IP, IF and ELISA
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for NFX1 Antibody (Y-14). This work is in progress.
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    NFX1 Antibody (Y-14) is a mouse monoclonal IgG2a kappa light chain antibody that detects NFX1 protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). Anti-NFX1 antibody (Y-14) is available as the non-conjugated form. NFX1, or nuclear transcription factor X-box binding 1, is a crucial nucleic acid binding protein that plays a significant role in the regulation of gene expression, particularly in the immune response. NFX1 is primarily located in the nucleus, where NFX1 contains an R3H domain, a RING-type zinc finger, and nine NFX1-type zinc fingers, which are essential for function as a transcriptional repressor. By binding to the conserved X1 region within the X-box motif found in the promoter region of major histocompatibility complex (MHC) class II genes, NFX1 effectively represses their expression, thereby influencing the duration of inflammatory responses. This regulatory mechanism is vital for maintaining immune homeostasis and preventing excessive inflammation, making NFX1 a potential therapeutic target in diseases characterized by inflammation and autoimmunity. Additionally, the presence of a RING-type finger domain suggests that NFX1 may also act as an E3 ubiquitin-protein ligase, further highlighting NFX1′s multifaceted role in cellular processes. Notably, two isoforms of NFX1, NFX1-91 and NFX1-123, arise from alternative splicing, differing in their C-terminal regions and potentially contributing to diverse functional outcomes in various biological contexts.

    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

    NFX1 Antibody (Y-14) References:

    1. FAP1, a homologue of human transcription factor NF-X1, competes with rapamycin for binding to FKBP12 in yeast.  |  Kunz, J., et al. 2000. Mol Microbiol. 37: 1480-93. PMID: 10998178
    2. Murine NFX.1: isolation and characterization of its messenger RNA, mapping of its chromosomal location and assessment of its developmental expression.  |  Arlotta, P., et al. 2002. Immunology. 106: 173-81. PMID: 12047746
    3. The AtNFXL1 gene encodes a NF-X1 type zinc finger protein required for growth under salt stress.  |  Lisso, J., et al. 2006. FEBS Lett. 580: 4851-6. PMID: 16905136
    4. NFX1-123 and poly(A) binding proteins synergistically augment activation of telomerase in human papillomavirus type 16 E6-expressing cells.  |  Katzenellenbogen, RA., et al. 2007. J Virol. 81: 3786-96. PMID: 17267499
    5. Core genome responses involved in acclimation to high temperature.  |  Larkindale, J. and Vierling, E. 2008. Plant Physiol. 146: 748-61. PMID: 18055584
    6. AtNFXL1, an Arabidopsis homologue of the human transcription factor NF-X1, functions as a negative regulator of the trichothecene phytotoxin-induced defense response.  |  Asano, T., et al. 2008. Plant J. 53: 450-64. PMID: 18069941
    7. Congenital immunodeficiencies associated with absence of HLA class II antigens on lymphocytes result from distinct mutations in trans-acting factors.  |  Hume, CR. and Lee, JS. 1989. Hum Immunol. 26: 288-309. PMID: 2511169
    8. A novel cysteine-rich sequence-specific DNA-binding protein interacts with the conserved X-box motif of the human major histocompatibility complex class II genes via a repeated Cys-His domain and functions as a transcriptional repressor.  |  Song, Z., et al. 1994. J Exp Med. 180: 1763-74. PMID: 7964459

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    NFX1 Antibody (Y-14)

    sc-100973
    100 µg/ml
    $339.00

    I am using NFX1 (Y-14): sc-100973 for immunofluorescence, what dilution of this antibody should I use?

    Asked by: Dr Ninau Qelp
    Thank you for your question. We recommend a starting dilution of 1:50. However, optimal antibody concentration should be determined by titration. Please find our full immunofluorescence protocol here: https://www.scbt.com/scbt/resources/protocols/immunofluorescence-cell-staining
    Answered by: Technical Support
    Date published: 2017-03-24
    • y_2026, m_3, d_16, h_6CST
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    Rated 5 out of 5 by from Great choice for Western BlotThis antibody detects over-expressed human NFX1 in transfected lysate sc-171830 and endogenous NFX1 in HeLa nuclear extract. -SCBT QC
    Date published: 2023-09-14
    Rated 4 out of 5 by from Robust immunofluorescence nuclear and cytoplasmicRobust immunofluorescence nuclear and cytoplasmic staining in paraformaldehyde-fixed HeLa cells. -SCBT QC
    Date published: 2015-03-27
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    NFX1 Antibody (Y-14) is rated 4.3 out of 5 by 3.
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