Date published: 2026-7-27

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OAS1 Antibody (F-3): sc-374656

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Datasheets
  • OAS1 Antibody (F-3) is a mouse monoclonal IgG1 κ, cited in 9 publications, provided at 200 µg/ml
  • specific for an epitope mapping between amino acids 337-364 at the C-terminus of OAS1 p41 of human origin
  • OAS1 Antibody (F-3) is recommended for detection of OAS1 p41 isoform of human origin by WB, IP, IF and ELISA
  • Anti-OAS1 Antibody (F-3) 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-374656 X, 200 µg/0.1 ml)
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for OAS1 Antibody (F-3) for WB applications. These reagents are now offered in bundles with OAS1 Antibody (F-3) (see ordering information below).
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OAS1 Antibody (F-3) is a mouse monoclonal IgG1 kappa light chain antibody that detects OAS1 of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). OAS1 (F-3) 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 2′-, 5′-oligoadenylate synthetases (OASs) are crucial interferon-induced proteins that play a significant role in the cellular response to viral infections, as well as in the regulation of cell growth, differentiation, and apoptosis. OAS1, functioning as a homotetramer, is particularly notable for catalyzing the synthesis of 2′-, 5′-oligomers of adenosine (2-5As). OAS1 binds to double-stranded RNA and polymerizes ATP into PPP(A2′P5′A)N oligomers, which in turn activate latent RNase L. Once activated, RNase L cleaves single-stranded RNAs, leading to the inhibition of cellular protein synthesis and effectively impairing viral replication. Additionally, OAS1, a protein composed of 400 amino acids, is essential for evaluating the interferon response in RNA interference studies and has been implicated in susceptibility to diabetes mellitus. anti-OAS1 antibody (F-3) serves as a valuable tool for researchers studying viral resistance mechanisms and cellular responses to stress.

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

OAS1 Antibody (F-3) References:

  1. A specific isozyme of 2'-5' oligoadenylate synthetase is a dual function proapoptotic protein of the Bcl-2 family.  |  Ghosh, A., et al. 2001. J Biol Chem. 276: 25447-55. PMID: 11323417
  2. Characterization of the 2'-5'-oligoadenylate synthetase ubiquitin-like family.  |  Eskildsen, S., et al. 2003. Nucleic Acids Res. 31: 3166-73. PMID: 12799444
  3. Variation in antiviral 2',5'-oligoadenylate synthetase (2'5'AS) enzyme activity is controlled by a single-nucleotide polymorphism at a splice-acceptor site in the OAS1 gene.  |  Bonnevie-Nielsen, V., et al. 2005. Am J Hum Genet. 76: 623-33. PMID: 15732009
  4. Polymorphisms of interferon-inducible genes OAS-1 and MxA associated with SARS in the Vietnamese population.  |  Hamano, E., et al. 2005. Biochem Biophys Res Commun. 329: 1234-9. PMID: 15766558
  5. OAS1 splice site polymorphism controlling antiviral enzyme activity influences susceptibility to type 1 diabetes.  |  Field, LL., et al. 2005. Diabetes. 54: 1588-91. PMID: 15855350
  6. Enhancing and confirming the specificity of RNAi experiments.  |  Cullen, BR. 2006. Nat Methods. 3: 677-81. PMID: 16929311
  7. Heterozygous OAS1 gain-of-function variants cause an autoinflammatory immunodeficiency.  |  Magg, T., et al. 2021. Sci Immunol. 6: PMID: 34145065
  8. OAS1 suppresses African swine fever virus replication by recruiting TRIM21 to degrade viral major capsid protein.  |  Sun, H., et al. 2023. J Virol. 97: e0121723. PMID: 37815352
  9. Multi-omics analysis reveals interferon-stimulated gene OAS1 as a prognostic and immunological biomarker in pan-cancer.  |  Yang, R., et al. 2023. Front Immunol. 14: 1249731. PMID: 37928544
  10. Induction of 2.5 OAS gene expression and activity is not sufficient for IFN-gamma-induced neuroblastoma cell differentiation.  |  Corrias, MV., et al. 1995. Int J Cancer. 62: 223-9. PMID: 7622300
  11. The human 2',5'-oligoadenylate synthetase locus is composed of three distinct genes clustered on chromosome 12q24.2 encoding the 100-, 69-, and 40-kDa forms.  |  Hovnanian, A., et al. 1998. Genomics. 52: 267-77. PMID: 9790745
  12. Structure of two forms of the interferon-induced (2'-5') oligo A synthetase of human cells based on cDNAs and gene sequences.  |  Benech, P., et al. 1985. EMBO J. 4: 2249-56. PMID: 2416561

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

OAS1 Antibody (F-3)

sc-374656
200 µg/ml
$322.00

OAS1 Antibody (F-3): m-IgG Fc BP-HRP Bundle

sc-529791
200 µg Ab; 10 µg BP
$361.00

OAS1 Antibody (F-3): m-IgGκ BP-HRP Bundle

sc-522806
200 µg Ab, 40 µg BP
$361.00

OAS1 Antibody (F-3): m-IgG1 BP-HRP Bundle

sc-543691
200 µg Ab; 20 µg BP
$361.00

OAS1 Antibody (F-3) X

sc-374656 X
200 µg/0.1 ml
$322.00

OAS1 Antibody (F-3) AC

sc-374656 AC
500 µg/ml, 25% agarose
$424.00

OAS1 Antibody (F-3) HRP

sc-374656 HRP
200 µg/ml
$322.00

OAS1 Antibody (F-3) FITC

sc-374656 FITC
200 µg/ml
$336.00

OAS1 Antibody (F-3) PE

sc-374656 PE
200 µg/ml
$349.00

OAS1 Antibody (F-3) Alexa Fluor® 488

sc-374656 AF488
200 µg/ml
$364.00

OAS1 Antibody (F-3) Alexa Fluor® 546

sc-374656 AF546
200 µg/ml
$364.00

OAS1 Antibody (F-3) Alexa Fluor® 594

sc-374656 AF594
200 µg/ml
$364.00

OAS1 Antibody (F-3) Alexa Fluor® 647

sc-374656 AF647
200 µg/ml
$364.00

OAS1 Antibody (F-3) Alexa Fluor® 680

sc-374656 AF680
200 µg/ml
$364.00

OAS1 Antibody (F-3) Alexa Fluor® 790

sc-374656 AF790
200 µg/ml
$364.00

OAS1 (F-3) Neutralizing Peptide

sc-374656 P
100 µg/0.5 ml
$69.00