Date published: 2026-8-19

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MUS81 Antibody (B-12): sc-376661

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Datasheets
  • MUS81 Antibody (B-12) is a mouse monoclonal IgG2b κ, cited in 4 publications, provided at 200 µg/ml
  • raised against amino acids 1-300 mapping at the N-terminus of MUS81 of human origin
  • Anti-MUS81 Antibody (B-12) is recommended for detection of MUS81 of mouse, rat and human origin by WB, IP, IF and ELISA
  • Anti-MUS81 Antibody (B-12) 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-IgG2b BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for MUS81 Antibody (B-12) for WB applications. These reagents are now offered in bundles with MUS81 Antibody (B-12) (see ordering information below).
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MUS81 Antibody (B-12) is a mouse monoclonal IgG2b kappa light chain antibody that detects MUS81 in mouse, rat, and human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). MUS81 antibody (B-12) 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. MUS81 plays a critical role in DNA repair mechanisms, particularly in resolving DNA structures that arise during replication stress. MUS81 encodes a helix-hairpin-helix protein essential for processing stalled replication forks and resolving Holliday junctions, which are crucial for maintaining genomic stability. MUS81 interaction with Eme1 forms an endonuclease complex that specifically targets and cleaves DNA at these junctions, ensuring proper DNA repair and preventing harmful DNA lesion accumulation. MUS81 expression increases in response to DNA-damaging agents, highlighting MUS81′s importance in cellular responses to genotoxic stress. Human MUS81 gene is located on chromosome 11q13 and produces a protein consisting of 551 amino acids, underscoring MUS81′s evolutionary conservation and significance across species.

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

MUS81 Antibody (B-12) References:

  1. Mus81 endonuclease localizes to nucleoli and to regions of DNA damage in human S-phase cells.  |  Gao, H., et al. 2003. Mol Biol Cell. 14: 4826-34. PMID: 14638871
  2. Human Rad54 protein stimulates human Mus81-Eme1 endonuclease.  |  Mazina, OM. and Mazin, AV. 2008. Proc Natl Acad Sci U S A. 105: 18249-54. PMID: 19017809
  3. Downregulation of Mus81 as a novel prognostic biomarker for patients with colorectal carcinoma.  |  Wu, F., et al. 2011. Cancer Sci. 102: 472-7. PMID: 21175991
  4. Damage-dependent regulation of MUS81-EME1 by Fanconi anemia complementation group A protein.  |  Benitez, A., et al. 2014. Nucleic Acids Res. 42: 1671-83. PMID: 24170812
  5. Survival of the replication checkpoint deficient cells requires MUS81-RAD52 function.  |  Murfuni, I., et al. 2013. PLoS Genet. 9: e1003910. PMID: 24204313
  6. Identification and characterization of MUS81 point mutations that abolish interaction with the SLX4 scaffold protein.  |  Nair, N., et al. 2014. DNA Repair (Amst). 24: 131-137. PMID: 25224045
  7. Acute MUS81 depletion leads to replication fork slowing and a constitutive DNA damage response.  |  Xing, M., et al. 2015. Oncotarget. 6: 37638-46. PMID: 26415217
  8. Mus81 knockdown sensitizes colon cancer cells to chemotherapeutic drugs by activating CHK1 pathway.  |  Wu, F., et al. 2017. Clin Res Hepatol Gastroenterol. 41: 592-601. PMID: 28291626
  9. Inhibition of MUS81 improves the chemical sensitivity of olaparib by regulating MCM2 in epithelial ovarian cancer.  |  Zhong, A., et al. 2018. Oncol Rep. 39: 1747-1756. PMID: 29393493
  10. The DNA Endonuclease Mus81 Regulates ZEB1 Expression and Serves as a Target of BET4 Inhibitors in Gastric Cancer.  |  Yin, Y., et al. 2019. Mol Cancer Ther. 18: 1439-1450. PMID: 31142662

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

MUS81 Antibody (B-12)

sc-376661
200 µg/ml
$322.00

MUS81 Antibody (B-12): m-IgGκ BP-HRP Bundle

sc-523038
200 µg Ab, 40 µg BP
$361.00

MUS81 Antibody (B-12): m-IgG2b BP-HRP Bundle

sc-549084
200 µg Ab; 10 µg BP
$361.00

MUS81 Antibody (B-12) AC

sc-376661 AC
500 µg/ml, 25% agarose
$424.00

MUS81 Antibody (B-12) HRP

sc-376661 HRP
200 µg/ml
$322.00

MUS81 Antibody (B-12) FITC

sc-376661 FITC
200 µg/ml
$336.00

MUS81 Antibody (B-12) PE

sc-376661 PE
200 µg/ml
$349.00

MUS81 Antibody (B-12) Alexa Fluor® 488

sc-376661 AF488
200 µg/ml
$364.00

MUS81 Antibody (B-12) Alexa Fluor® 546

sc-376661 AF546
200 µg/ml
$364.00

MUS81 Antibody (B-12) Alexa Fluor® 594

sc-376661 AF594
200 µg/ml
$364.00

MUS81 Antibody (B-12) Alexa Fluor® 647

sc-376661 AF647
200 µg/ml
$364.00

MUS81 Antibody (B-12) Alexa Fluor® 680

sc-376661 AF680
200 µg/ml
$364.00

MUS81 Antibody (B-12) Alexa Fluor® 790

sc-376661 AF790
200 µg/ml
$364.00