Date published: 2026-5-6

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Hep B cAg Antibody (C1-5): sc-23945

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Datasheets
  • Hep B cAg Antibody (C1-5) is a mouse monoclonal IgG2a κ Hep B cAg antibody, cited in 17 publications, provided at 200 µg/ml
  • raised against Hep B cAg
  • Hep B cAg Antibody (C1-5) is recommended for detection of an epitope corresponding to amino acids 74-80 of the core antigen of Hep B origin by WB, IP, IF, FCM and ELISA; may cross-react with denatured Hep B cAg
  • Anti-Hep B cAg Antibody (C1-5) 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
  • m-IgG Fc BP-HRP and m-IgG2a BP-HRP are the preferred secondary detection reagents for Hep B cAg Antibody (C1-5) for WB applications. These reagents are now offered in bundles with Hep B cAg Antibody (C1-5) (see ordering information below).
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Hep B cAg Antibody (C1-5) is a mouse monoclonal IgG2a kappa light chain antibody that detects the Hep B cAg protein of Hep B origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), flow cytometry (FCM), and enzyme-linked immunosorbent assay (ELISA). Hep B cAg (C1-5) antibody 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 Hepatitis B virus (HBV), a member of the Hepadnavirus family, is known for causing serious liver inflammation, which can lead to symptoms such as vomiting, jaundice, and in severe cases, death. The core antigen (Hep B cAg) plays a crucial role in the viral life cycle as Hep B cAg encapsulates the viral genome, forming the capsid that protects the genetic material during transmission and infection. Understanding the structure and function of Hep B cAg is vital, as Hep B cAg not only aids in the diagnosis of HBV infections but also serves as a target for therapeutic interventions. The presence of Hep B cAg, along with other viral antigens like Hep B surface antigen (Hep B sAg) and e-antigen (Hep B eAg), is essential for monitoring viral replication and assessing the effectiveness of antiviral treatments. Hep B cAg and Hep B eAg are primarily utilized in clinical diagnostics, while Hep B sAg is critical for vaccine development and prevention strategies. The expression of these antigens predominantly occurs in the liver, highlighting the organ′s central role in HBV pathogenesis and the importance of targeted therapies in managing liver-related complications.

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

Hep B cAg Antibody (C1-5) References:

  1. In vivo inhibition of anti-hepatitis B virus core antigen (HBcAg) immunoglobulin G production by HBcAg-specific CD4(+) Th1-type T-cell clones in a hu-PBL-NOD/SCID mouse model.  |  Cao, T., et al. 2001. J Virol. 75: 11449-56. PMID: 11689626
  2. HBcAg-specific cytokine production by CD4 T lymphocytes of children with acute and chronic hepatitis B.  |  Szkaradkiewicz, A., et al. 2003. Virus Res. 97: 127-33. PMID: 14602204
  3. Exposure of RNA templates and encapsidation of spliced viral RNA are influenced by the arginine-rich domain of human hepatitis B virus core antigen (HBcAg 165-173).  |  Le Pogam, S., et al. 2005. J Virol. 79: 1871-87. PMID: 15650211
  4. Hepatitis C virus core antigen testing: role in diagnosis, disease monitoring and treatment.  |  Tillmann, HL. 2014. World J Gastroenterol. 20: 6701-6. PMID: 24944462
  5. Quantification of Antibody to Hepatitis B Core Antigen to Predict Outcomes of Patients With HBV Infection.  |  Lim, YS. 2019. Clin Gastroenterol Hepatol. 17: 39-40. PMID: 30099105
  6. Virion Secretion of Hepatitis B Virus Naturally Occurring Core Antigen Variants.  |  Shih, C., et al. 2020. Cells. 10: PMID: 33396864
  7. Absolute Quantification of Hepatitis B Core Antigen (HBcAg) Virus-like Particles and Bound Nucleic Acids.  |  Valentic, A., et al. 2023. Viruses. 16: PMID: 38275948
  8. Introducing adjuvant-loaded particulate hepatitis B core antigen as an alternative therapeutic hepatitis B vaccine component.  |  Su, J., et al. 2024. JHEP Rep. 6: 100997. PMID: 38425450
  9. Epitopes recognized by antibodies to denatured core protein of hepatitis B virus.  |  Bichko, V., et al. 1993. Mol Immunol. 30: 221-31. PMID: 7679466
  10. Identification of hepatitis B virus core protein regions exposed or internalized at the surface of HBcAg particles by scanning with monoclonal antibodies.  |  Pushko, P., et al. 1994. Virology. 202: 912-20. PMID: 8030252
  11. The structure of the variable regions of mouse monoclonal antibodies to hepatitis B virus core antigen.  |  Skrivelis, V., et al. 1993. Scand J Immunol. 37: 637-43. PMID: 8316761
  12. Differentiation of core gene products of the hepatitis B virus in infected liver tissue using monoclonal antibodies.  |  Naoumov, NV., et al. 1997. J Med Virol. 53: 127-38. PMID: 9334923

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Hep B cAg Antibody (C1-5)

sc-23945
200 µg/ml
$322.00

Hep B cAg Antibody (C1-5): m-IgG Fc BP-HRP Bundle

sc-525508
200 µg Ab; 10 µg BP
$361.00

Hep B cAg Antibody (C1-5): m-IgG2a BP-HRP Bundle

sc-546295
200 µg Ab; 10 µg BP
$361.00

Hep B cAg Antibody (C1-5) AC

sc-23945 AC
500 µg/ml, 25% agarose
$424.00

Hep B cAg Antibody (C1-5) HRP

sc-23945 HRP
200 µg/ml
$322.00

Hep B cAg Antibody (C1-5) FITC

sc-23945 FITC
200 µg/ml
$336.00

Hep B cAg Antibody (C1-5) PE

sc-23945 PE
200 µg/ml
$349.00

Hep B cAg Antibody (C1-5) Alexa Fluor® 488

sc-23945 AF488
200 µg/ml
$364.00

Hep B cAg Antibody (C1-5) Alexa Fluor® 546

sc-23945 AF546
200 µg/ml
$364.00

Hep B cAg Antibody (C1-5) Alexa Fluor® 594

sc-23945 AF594
200 µg/ml
$364.00

Hep B cAg Antibody (C1-5) Alexa Fluor® 647

sc-23945 AF647
200 µg/ml
$364.00

Hep B cAg Antibody (C1-5) Alexa Fluor® 680

sc-23945 AF680
200 µg/ml
$364.00

Hep B cAg Antibody (C1-5) Alexa Fluor® 790

sc-23945 AF790
200 µg/ml
$364.00

Please tell me the protocol followed to run this western blot and reason for multimers of HBV core using Hep B cAg Antibody (C1-5): sc-23945. while with of HBV core Cat no. Hep B cAg antibody 10E11 : sc-23947 shows single band only.

Asked by: Pooja Bhatia
Thank you for contacting Santa Cruz Biotechnology. Here is our protocol : https://www.scbt.com/resources/protocols/western-immuno-blotting. If you would like to troubleshoot the antibody please email scbt@scbt.com or call (800)-457-3801.
Answered by: BlakeJ
Date published: 2024-10-11

do you have any examples of this antibody being used for western blotting on HBV-infected cells?

Asked by: Carlos I
Thank you for your question. We do not have any data or publications for HBV infected cells.
Answered by: BlakeJ
Date published: 2024-04-17

I am considering this antibody for my assay study, I need to know is the example WB picture done in reducing condition or non-reducing condition? Does this antibody recognize the epitope in both reducing and non-reducing condition? Thanks!

Asked by: ironbear
Thank you for your inquiry. This antibody was tested in house on reducing conditions. We have not tested it in non-reducing conditions, but it is very possible that it will detect the epitope under non-reducing conditions as well. If you have any further questions, please contact our Asia Technical Service team. You can reach them by phone at (86 21) 6093-6350, by email at: asia@scbio.cn or by live chat directly on our website, www.scbt.com
Answered by: Tech Service
Date published: 2024-01-02

I am going to run a Western blot with this antibody, what is the expected molecular weight?

Asked by: TinTin
The expected molecular weight for Hep B cAg is 21kDa, however it has been reported that this protein may be able to form dimers, trimers or even tetramers. Our in house testing on this antibody on recombinant protein shows potential multimers, however we do not have information regarding endogenous samples.
Answered by: Technical Support 13
Date published: 2017-01-26

What secondary is best to use with Hep B cAg Antibody (C1-5): sc-23945?

Asked by: jenni
Thank you for your question. While most anti-mouse IgG secondary antibodies are appropriate for use with our Hep B cAg (C1-5): sc-23945, we recommend using one our exclusive Mouse IgG Binding Proteins as a secondary detection reagent. A complete list of available binding proteins is available on our website here: https://www.scbt.com/scbt/browse/support-products-mouse-igg-binding-proteins/_/N-ecrety
Answered by: Technical Support 3
Date published: 2017-01-09
  • y_2026, m_5, d_5, h_11CST
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Rated 5 out of 5 by from good antibodyGood antibody that produces strong signal in western blot. Also recommended for flow cytometry!
Date published: 2017-01-12
Rated 4 out of 5 by from Publishable data in ChIP using human liverPublishable data in ChIP using human liver. -SCBT Publication Review
Date published: 2015-03-27
Rated 3 out of 5 by from Bands detected in WB using human recombinantBands detected in WB using human recombinant Hep B HBcAg. -SCBT QC
Date published: 2015-03-27
Rated 4 out of 5 by from Publishable data in CoIP using human Huh7 cellsPublishable data in CoIP using human Huh7 cells. -SCBT Publication Review
Date published: 2015-03-22
Rated 4 out of 5 by from Various publishable data in WB using humanVarious publishable data in WB using human Huh7 cells and Foreskin t-fected with HPV16, 18 -SCBT Publication Review
Date published: 2014-11-11
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Hep B cAg Antibody (C1-5) is rated 4.0 out of 5 by 5.
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