Date published: 2026-5-8

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ISG20 Antibody (D-5): sc-376665

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Datasheets
  • ISG20 Antibody (D-5) is a mouse monoclonal IgG1 κ ISG20 antibody provided at 200 µg/ml
  • raised against amino acids 101-150 mapping within an internal region of ISG20 of human origin
  • ISG20 Antibody (D-5) is recommended for detection of ISG20 of human origin by WB, IP, IF and ELISA
  • Anti-ISG20 Antibody (D-5) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • TransCruz reagent for ChIP application (sc-376665 X, 200 µg/0.1 ml)
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for ISG20 Antibody (D-5) for WB applications. These reagents are now offered in bundles with ISG20 Antibody (D-5) (see ordering information below).
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    ISG20 Antibody (D-5) is a mouse monoclonal IgG1 kappa light chain antibody that detects ISG20 protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). ISG20 Antibody (D-5) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. The interferon-stimulated gene 20 (ISG20) protein functions as a 3′ to 5′ exonuclease, specifically degrading single-stranded RNA, which is crucial for the cellular response to viral infections. ISG20 localization in promyelocytic leukemia (PML) nuclear bodies is significant, as ISG20 plays a role in the regulation of antiviral responses and cellular stress. ISG20 is expressed in various human tissues, including peripheral blood leukocytes, spleen, thymus, colon, and lung, and ISG20 constitutive expression is associated with resistance to several viruses, such as vesicular stomatitis virus, influenza virus, and encephalomyocarditis virus. Beyond antiviral properties, ISG20 may also influence estrogen-mediated cellular proliferation and differentiation, highlighting ISG20′s potential role in both immune response and hormonal regulation.

    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

    ISG20 Antibody (D-5) References:

    1. The human interferon- and estrogen-regulated ISG20/HEM45 gene product degrades single-stranded RNA and DNA in vitro.  |  Nguyen, LH., et al. 2001. Biochemistry. 40: 7174-9. PMID: 11401564
    2. ISG20, a new interferon-induced RNase specific for single-stranded RNA, defines an alternative antiviral pathway against RNA genomic viruses.  |  Espert, L., et al. 2003. J Biol Chem. 278: 16151-8. PMID: 12594219
    3. The exonuclease ISG20 is directly induced by synthetic dsRNA via NF-kappaB and IRF1 activation.  |  Espert, L., et al. 2004. Oncogene. 23: 4636-40. PMID: 15064705
    4. Interferon-induced exonuclease ISG20 exhibits an antiviral activity against human immunodeficiency virus type 1.  |  Espert, L., et al. 2005. J Gen Virol. 86: 2221-2229. PMID: 16033969
    5. Interferon-stimulated gene 20-kDa protein (ISG20) in infection and disease: Review and outlook.  |  Zheng, Z., et al. 2017. Intractable Rare Dis Res. 6: 35-40. PMID: 28357179
    6. ISG20 serves as a potential biomarker and drives tumor progression in clear cell renal cell carcinoma.  |  Xu, T., et al. 2020. Aging (Albany NY). 12: 1808-1827. PMID: 32003757
    7. ISG20 is overexpressed in clinically relevant radioresistant oral cancer cells.  |  Miyashita, H., et al. 2020. Int J Clin Exp Pathol. 13: 1633-1639. PMID: 32782682
    8. ISG20: an enigmatic antiviral RNase targeting multiple viruses.  |  Deymier, S., et al. 2022. FEBS Open Bio. 12: 1096-1111. PMID: 35174977
    9. ISG20 inhibits bluetongue virus replication.  |  Kang, D., et al. 2022. Virol Sin. 37: 521-530. PMID: 35513266
    10. Targeting RNA oxidation by ISG20-mediated degradation is a potential therapeutic strategy for acute kidney injury.  |  Jia, M., et al. 2023. Mol Ther. 31: 3034-3051. PMID: 37452495
    11. The PTPRZ1-MET/STAT3/ISG20 axis in glioma stem-like cells modulates tumor-associated macrophage polarization.  |  Wang, Y., et al. 2024. Cell Signal. 120: 111191. PMID: 38685521
    12. Expression and estrogen regulation of the HEM45 MRNA in human tumor lines and in the rat uterus.  |  Pentecost, BT. 1998. J Steroid Biochem Mol Biol. 64: 25-33. PMID: 9569007

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    ISG20 Antibody (D-5)

    sc-376665
    200 µg/ml
    $322.00

    ISG20 Antibody (D-5): m-IgG Fc BP-HRP Bundle

    sc-527543
    200 µg Ab; 10 µg BP
    $361.00

    ISG20 Antibody (D-5): m-IgG1 BP-HRP Bundle

    sc-532916
    200 µg Ab; 20 µg BP
    $361.00

    ISG20 Antibody (D-5) X

    sc-376665 X
    200 µg/0.1 ml
    $322.00

    ISG20 Antibody (D-5) AC

    sc-376665 AC
    500 µg/ml, 25% agarose
    $424.00

    ISG20 Antibody (D-5) HRP

    sc-376665 HRP
    200 µg/ml
    $322.00

    ISG20 Antibody (D-5) FITC

    sc-376665 FITC
    200 µg/ml
    $336.00

    ISG20 Antibody (D-5) PE

    sc-376665 PE
    200 µg/ml
    $349.00

    ISG20 Antibody (D-5) Alexa Fluor® 488

    sc-376665 AF488
    200 µg/ml
    $364.00

    ISG20 Antibody (D-5) Alexa Fluor® 546

    sc-376665 AF546
    200 µg/ml
    $364.00

    ISG20 Antibody (D-5) Alexa Fluor® 594

    sc-376665 AF594
    200 µg/ml
    $364.00

    ISG20 Antibody (D-5) Alexa Fluor® 647

    sc-376665 AF647
    200 µg/ml
    $364.00

    ISG20 Antibody (D-5) Alexa Fluor® 680

    sc-376665 AF680
    200 µg/ml
    $364.00

    ISG20 Antibody (D-5) Alexa Fluor® 790

    sc-376665 AF790
    200 µg/ml
    $364.00

    What is the recommended starting dilution for Western blot for sc-376665: ISG20 (D-5) monoclonal antibody?

    Asked by: Randy McDonald
    The recommended starting dilution for Western blot is 1:100 with a dilution range of 1:100-1:1000. This information, along with other technical specifications, is available in the recommended protocol: https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
    Answered by: Technical Support
    Date published: 2017-03-22
    • y_2026, m_5, d_8, h_10CST
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    Rated 5 out of 5 by from good qualityThis antibody is used for the first time.dilution detection 1:1000. It shows the positive band,
    Date published: 2017-02-24
    Rated 5 out of 5 by from Produced positive Western blot data of ISG20Produced positive Western blot data of ISG20 expression in Raji, NAMALWA and BJAB whole cell lysates. -SCBT QC
    Date published: 2013-06-20
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    ISG20 Antibody (D-5) is rated 5.0 out of 5 by 2.
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