Abcam, ab309088, Anti-IRF5 (phospho S446) antibody [EPR26132-254]

Size: 20µL / 100µL / 1mL
Anti-IRF5 (phospho S446) antibody [EPR26132-254] (ab309088) is a rabbit monoclonal antibody detecting IRF5 in Western Blot, Dot Blot . Suitable for Human . - KO validated for confirmed specificity - Biophysical QC for unrivalled batch-batch consistency
Key facts
Host species:Rabbit,
Clonality:Monoclonal,
Clone number:EPR26132-254,
Isotype:IgG,
Carrier free:No,
Reacts with:Human,
Applications:Dot, WBSee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Immunogen:The exact immunogen used to generate this antibody is proprietary information.

Product details:
What is this antibody validated in?
Anti-IRF5 (phospho S446) antibody [EPR26132-254] (ab309088) is a rabbit recombinant monoclonal antibody and is validated for use in Western Blot (WB), Dot Blot in Human samples.
What is the molecular weight of IRF5?
Anti-IRF5 (phospho S446) [EPR26132-254] (ab309088) specifically detects a band for IRF5 (UniProt: Q13568) at a molecular weight of 56kDa.
Trial sizes available!
Test your antibody or perform pre-screening before committing to a larger quantity. Sold in 10µl.
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Specificity confirmed
The specificity of Anti-IRF5 (phospho S446) antibody [EPR26132-254] (ab309088) has been confirmed by Western blot testing in IRF5 Knockout THP-1 cell line.
Other related products
We have a range of other formats of antibody clone [EPR26132-254] also available for your convenience: ab309088, Carrier free -
ab309089
Patented technology
Our RabMAb
technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to
RabMAb® patents
What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:
- High batch-to-batch consistency and reproducibility
- Improved sensitivity and specificity
- Long-term security of supply
- Animal-free batch production
For more information, read more on
recombinant antibodies

Properties and Storage Information:
Form-Liquid, Purification technique-Affinity purification Protein A, Storage buffer-pH: 7.2 - 7.4Preservative: 0.01% Sodium azideConstituents: PBS, 40% Glycerol (glycerin, glycerine), 0.05% BSA, Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
IRF5 or Interferon Regulatory Factor 5 is a member of the IRF family of transcription factors. This protein weighs approximately 56 kDa and is expressed in cells of the immune system including B cells dendritic cells and macrophages. IRF5 plays an important role in regulating the transcription of interferon-stimulated genes following a viral infection. It acts by binding to specific DNA sequences initiating transcription processes that are important for the antiviral response.
Biological function summary
IRF5 influences the immune response through the regulation of cytokine production. It activates genes involved in producing pro-inflammatory cytokines such as TNF-α and IL-6 which are important for clearing viral infections and activating immune cells. IRF5 does not usually form part of a protein complex but it interacts closely with TRAF6 and MyD88 for its activation. Its pivotal role in cytokine production highlights its importance in controlling inflammation.
Pathways
IRF5 is an important component of the Toll-like receptor (TLR) signaling pathway and plays a role in the MyD88-dependent pathway. In this context IRF5 gets activated by TLRs interacting with MyD88 and TAK1 to enhance the transcription of important genes for immune response. It is also closely connected to the IRF3 protein which shares similar activation pathways and can similarly initiate an antiviral state.
Defects or dysregulation in IRF5 function are linked to autoimmune diseases such as systemic lupus erythematosus (SLE) and rheumatoid arthritis. In SLE IRF5 influences autoantibody production contributing to disease development. It works alongside other regulatory proteins involved in autoimmunity including IFN-α and STAT4 which also play significant roles in modulating immune responses. Understanding IRF5's role in these conditions could present new opportunities for therapeutic interventions using IRF5 inhibitors.