Summary

Name IRF3
Full Name Interferon regulatory factor 3
Synonyms IRF-3
Primary ID Q14653
Links - -
Type protein
Relations 46
Pathways COVID-19 Causal Network, EBV infection, Innate Immune Response, Inflammosome Activation, Macrophage: IL1 beta, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES, Toll like receptors
Function 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:25636800, PubMed:27302953). 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). 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). 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). 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). 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).

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Modifications Tables

Relations

Regulator Mechanism target score
+ up-regulates activity img/direct-activation.png methylation IRF3 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png phosphorylation IRF3 0.2
Publications: 3 Organism: Homo Sapiens
Pathways:EBV infection
+ up-regulates img/direct-activation.png phosphorylation IRF3 0.555
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, Toll like receptors
+ up-regulates activity img/direct-activation.png phosphorylation IRF3 0.732
Publications: 7 Organism: In Vitro
Pathways:COVID-19 Causal Network, Innate Immune Response, SARS-CoV INNATE RESPONSE TO dsRNA, Toll like receptors
+ up-regulates activity img/direct-activation.png phosphorylation IRF3 0.818
Publications: 9 Organism: In Vitro, Homo Sapiens
Pathways:COVID-19 Causal Network, EBV infection, Innate Immune Response, Inflammosome Activation, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, Toll like receptors
+ up-regulates img/direct-activation.png phosphorylation IRF3 0.401
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/indirect_inhibition.png IRF3 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES
+ up-regulates activity img/direct-activation.png relocalization IRF3 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:SARS-CoV INFLAMMATORY RESPONSE
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation Interferon-type-I 0.2
Publications: 1 Organism: Mus Musculus
Pathways:COVID-19 Causal Network, EBV infection, Innate Immune Response, Inflammosome Activation, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA
+ down-regulates activity img/direct_inhibition.png deubiquitination, binding IRF3 0.2
Publications: 2 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES
+ up-regulates img/indirect-activation.png Immune_response 0.7
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, EBV infection, Innate Immune Response, Inflammosome Activation, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES, Toll like receptors
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation ABCC2 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by destabilization img/direct_inhibition.png polyubiquitination IRF3 0.657
Publications: 1 Organism: Homo Sapiens
+ up-regulates activity img/direct-activation.png binding IRF3 0.794
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, Innate Immune Response, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES
+ up-regulates img/indirect-activation.png Interferon_Production 0.7
Publications: 1 Organism: Mus Musculus
Pathways:EBV infection, Toll like receptors
+ up-regulates quantity by expression img/direct-activation.png transcriptional regulation IL6 0.423
Publications: 1 Organism: Mus Musculus
Pathways:COVID-19 Causal Network
+ up-regulates quantity by expression img/indirect-activation.png transcriptional regulation SOCS2 0.376
Publications: 1 Organism: Homo Sapiens
+ down-regulates quantity by repression img/direct_inhibition.png transcriptional regulation IRF3 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:EBV infection
+ down-regulates activity img/indirect_inhibition.png IRF3 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES
+ down-regulates activity img/indirect_inhibition.png IRF3 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES
+ down-regulates activity img/indirect_inhibition.png IRF3 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES
+ down-regulates activity img/direct_inhibition.png binding IRF3 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES
+ down-regulates activity img/direct_inhibition.png binding IRF3 0.2
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV ATTACHMENT AND ENTRY, SARS-CoV INFLAMMATORY RESPONSE, SARS-CoV INNATE RESPONSE TO dsRNA, SARS-CoV STRESS GRANULES
+ up-regulates quantity by expression img/direct-activation.png transcriptional regulation IFNB1 0.655
Publications: 1 Organism: Homo Sapiens
Pathways:EBV infection
+ down-regulates quantity by destabilization img/direct_inhibition.png binding IRF3 0.625
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/indirect_inhibition.png IRF3 0.265
Publications: 1 Organism: Homo Sapiens
+ up-regulates quantity img/direct-activation.png transcriptional regulation IRF3 0.2
Publications: 1 Organism: Homo Sapiens
+ down-regulates activity img/direct_inhibition.png dephosphorylation IRF3 0.318
Publications: 1 Organism: Homo Sapiens
Pathways:COVID-19 Causal Network, SARS-CoV STRESS GRANULES
+ down-regulates quantity by destabilization img/direct_inhibition.png polyubiquitination IRF3 0.334
Publications: 1 Organism: Homo Sapiens