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AB311704

Alexa Fluor® 594 Anti-IRF3 antibody [EPR2418Y]

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Rabbit Recombinant Monoclonal IRF3 antibody - conjugated to Alexa Fluor® 594. Suitable for Target Binding Affinity, Antibody Labelling, Flow Cyt (Intra), ICC/IF, IHC-P and reacts with Human, Mouse samples.

View Alternative Names

Interferon regulatory factor 3, IRF-3, IRF3

  • HRP

    HRP Anti-IRF3 antibody [EPR2418Y]

  • 578 PE

    PE Anti-IRF3 antibody [EPR2418Y]

  • 660 APC

    APC Anti-IRF3 antibody [EPR2418Y]

  • 603 Alexa Fluor® 568

    Alexa Fluor® 568 Anti-IRF3 antibody [EPR2418Y]

  • 565 Alexa Fluor® 555

    Alexa Fluor® 555 Anti-IRF3 antibody [EPR2418Y]

  • 775 Alexa Fluor® 750

    Alexa Fluor® 750 Anti-IRF3 antibody [EPR2418Y]

  • Unconjugated

    Anti-IRF3 antibody [EPR2418Y]

  • Carrier free

    Anti-IRF3 antibody [EPR2418Y] - BSA and Azide free

Key facts

Host species

Rabbit

Clonality

Monoclonal

Clone number

EPR2418Y

Isotype

IgG

Conjugation

Alexa Fluor® 594

Excitation/Emission

Ex: 590nm, Em: 617nm

Carrier free

No

Reacts with

Human, Mouse

Applications

IHC-P, Antibody Labelling, Flow Cyt (Intra), Target Binding Affinity, ICC/IF

applications

Immunogen

The exact immunogen used to generate this antibody is proprietary information.

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Complementary Products

Assay Kits

AB207210

IRF3 Transcription Factor Assay Kit (Colorimetric)

Functional Studies - IRF3 Transcription Factor Assay Kit (Colorimetric) (AB207210)

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Secondary Antibodies

AB150077

Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488)

Immunocytochemistry/ Immunofluorescence - Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (AB150077)

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Primary Antibodies

AB109272

Anti-NAK/TBK1 (phospho S172) antibody [EPR2867(2)]

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Western blot - Anti-NAK/TBK1 (phospho S172) antibody [EPR2867(2)] (AB109272)

  • 5
  • 1
Cell Lines & Lysates

AB267098

Human IRF3 knockout A549 cell line

Advanced Validation

Western blot - Human IRF3 knockout A549 cell line (AB267098)

  • 0
  • 0
Proteins & Peptides

AB205216

Recombinant Human IRF3 protein

  • 0
  • 0
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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Species", "Dilution Info", "Notes"], "tabs": { "all-applications": {"fullname" : "All Applications", "shortname": "All Applications"}, "TargetBindingAffinity" : {"fullname" : "Target Binding Affinity", "shortname":"Target Binding Affinity"}, "AntibodyLabelling" : {"fullname" : "Antibody Labelling", "shortname":"Antibody Labelling"}, "FlowCytIntra" : {"fullname" : "Flow Cytometry (Intracellular)", "shortname":"Flow Cyt (Intra)"}, "ICCIF" : {"fullname" : "Immunocytochemistry/ Immunofluorescence", "shortname":"ICC/IF"}, "IHCP" : {"fullname" : "Immunohistochemistry (Formalin/PFA-fixed paraffin-embedded sections)", "shortname":"IHC-P"} }, "product-promise": { "all": "all", "testedAndGuaranteed": "tested", "guaranteed": "expected", "predicted": "predicted", "notRecommended": "not-recommended" } }, "values": { "Human": { "TargetBindingAffinity-species-checked": "guaranteed", "TargetBindingAffinity-species-dilution-info": "", "TargetBindingAffinity-species-notes": "", "AntibodyLabelling-species-checked": "guaranteed", "AntibodyLabelling-species-dilution-info": "", "AntibodyLabelling-species-notes": "", "FlowCytIntra-species-checked": "guaranteed", "FlowCytIntra-species-dilution-info": "", "FlowCytIntra-species-notes": "<p></p>", "ICCIF-species-checked": "guaranteed", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "<p></p>", "IHCP-species-checked": "guaranteed", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>" }, "Mouse": { "TargetBindingAffinity-species-checked": "guaranteed", "TargetBindingAffinity-species-dilution-info": "", "TargetBindingAffinity-species-notes": "", "AntibodyLabelling-species-checked": "guaranteed", "AntibodyLabelling-species-dilution-info": "", "AntibodyLabelling-species-notes": "", "FlowCytIntra-species-checked": "guaranteed", "FlowCytIntra-species-dilution-info": "", "FlowCytIntra-species-notes": "<p></p>", "ICCIF-species-checked": "guaranteed", "ICCIF-species-dilution-info": "", "ICCIF-species-notes": "<p></p>", "IHCP-species-checked": "guaranteed", "IHCP-species-dilution-info": "", "IHCP-species-notes": "<p></p>" } } }
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Product details

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.

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.

How are conjugated primary antibodies validated?
This conjugated primary antibody is released using a quantitative quality control method that evaluates binding affinity post-conjugation and efficiency of antibody labeling.
For suitable applications and species reactivity, please refer to the unconjugated version of this clone.

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Properties and storage information

Form
Liquid
Purification technique
Affinity purification Protein A
Storage buffer
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: PBS, 30% Glycerol (glycerin, glycerine), 1% 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|Store in the dark
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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

IRF3 also known as Interferon Regulatory Factor 3 acts as an important transcription factor in the immune response. It has a molecular weight of approximately 47 kDa. The IRF3 protein is mainly expressed in the cytoplasm and nucleus of various cell types including immune cells such as macrophages and dendritic cells. The protein becomes activated through phosphorylation a process frequently identified in its phosphorylated form phospo-IRF3 or p-IRF3 which facilitates its role in immune function.
Biological function summary

IRF3 participates in the regulation of type I interferon (IFN) response a fundamental antiviral defense mechanism. IRF3 when phosphorylated forms a complex with CBP/p300 which then translocates to the nucleus to drive the expression of IFN-stimulated genes. This action strengthens the innate immune response and boosts the body's ability to counteract viral infections. Its activity and regulation are significant for maintaining a balanced immune response without excessive inflammation.

Pathways

IRF3 is involved in the Toll-like receptor (TLR) and RIG-I-like receptor (RLR) signaling pathways both essential in pathogen recognition and response. Within these pathways IRF3 interacts with proteins such as MAVS and TBK1 to propagate immune signaling. The activation of IRF3 in these pathways results in the production of type I interferons and other cytokines orchestrating an effective antiviral response. These interactions highlight the protein's central role in mediating immune signaling cascades.

IRF3's malfunction or deregulation can contribute to autoimmune diseases and antiviral deficiencies. Conditions such as systemic lupus erythematosus (SLE) and chronic hepatitis B infection are linked to IRF3 activity. During autoimmune responses or viral persistence the aberrant activation of IRF3 can lead to inappropriate immune responses. The connection with proteins like STAT1 in these conditions highlights the complex network IRF3 engages in facilitating its impact on disease progression and immune dysregulation.
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Product protocols

For this product, it's our understanding that no specific protocols are required. You can visit:
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Target data

Key transcriptional regulator of type I interferon (IFN)-dependent immune responses which plays a critical role in the innate immune response against DNA and RNA viruses (PubMed : 22394562, PubMed : 24049179, PubMed : 25636800, PubMed : 27302953, PubMed : 31340999, PubMed : 36603579, PubMed : 8524823, PubMed : 39362857). Regulates the transcription of type I IFN genes (IFN-alpha and IFN-beta) and IFN-stimulated genes (ISG) by binding to an interferon-stimulated response element (ISRE) in their promoters (PubMed : 11846977, PubMed : 16846591, PubMed : 16979567, PubMed : 20049431, PubMed : 32972995, PubMed : 36603579, PubMed : 8524823). Acts as a more potent activator of the IFN-beta (IFNB) gene than the IFN-alpha (IFNA) gene and plays a critical role in both the early and late phases of the IFNA/B gene induction (PubMed : 16846591, PubMed : 16979567, PubMed : 20049431, PubMed : 36603579). Found in an inactive form in the cytoplasm of uninfected cells and following viral infection, double-stranded RNA (dsRNA), or toll-like receptor (TLR) signaling, is phosphorylated by IKBKE and TBK1 kinases (PubMed : 22394562, PubMed : 25636800, PubMed : 27302953, PubMed : 36603579). This induces a conformational change, leading to its dimerization and nuclear localization and association with CREB binding protein (CREBBP) to form dsRNA-activated factor 1 (DRAF1), a complex which activates the transcription of the type I IFN and ISG genes (PubMed : 16154084, PubMed : 27302953, PubMed : 33440148, PubMed : 36603579). Can activate distinct gene expression programs in macrophages and can induce significant apoptosis in primary macrophages (PubMed : 16846591). In response to Sendai virus infection, is recruited by TOMM70 : HSP90AA1 to mitochondrion and forms an apoptosis complex TOMM70 : HSP90AA1 : IRF3 : BAX inducing apoptosis (PubMed : 25609812). Key transcription factor regulating the IFN response during SARS-CoV-2 infection (PubMed : 33440148).
See full target information IRF3
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Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.
For full details, please see our Terms & Conditions

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com