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E3 ubiquitin-protein ligase that plays a key role in innate antiviral immunity (PubMed:21289118). In response to pathogen- and host-derived double-stranded DNA (dsDNA), targets STING1 to 'Lys-63'-linked ubiquitination, thereby promoting its homodimerization, a step required for the production of type I interferon IFN-beta. Independently of its E3 ubiquitin ligase activity, positive regulator of TLR3 signaling. Potentiates extracellular double stranded RNA (dsRNA)-induced expression of IFNB1 and interferon-stimulated genes ISG15, IFIT1/ISG56, CXCL10, OASL and CCL5/RANTES. Promotes establishment of an antiviral state by TLR3 ligand and TLR3-mediated chemokine induction following infection by hepatitis C virus (PubMed:22948160). [UniProt]
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Protein Aliases: E3 ubiquitin-protein ligase TRIM56; RING finger protein 109; Tripartite motif-containing protein 56
Gene Aliases: RNF109; TRIM56
UniProt ID: (Human) Q9BRZ2
Entrez Gene ID: (Human) 81844
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