viral dsRNA:TRL3:TICAM1 activates RIP1

Stable Identifier
R-GGA-434097
Type
Reaction [binding]
Species
Gallus gallus
Related Species
Infectious bronchitis virus
Compartment
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RIP1 is recruited to the activated TLR receptor by binding to TICAM1(TRIF) via its RHIM motif, followed by its polyubiquitination. Polyubiquitination is possibly mediated by TRAF6 that is also recruited to TICAM1 (Cusson-Hermance N et al. 2005). Other E3-ubiquitin ligases - cIAP1 and cIAP2 - have been reported to promote polyubiquitination of RIP proteins (Bertrand MJM et al. 2011).

RIP3 was shown to inhibit TRIF-induced NFkB activation in dose-dependent manner when overexpressed in HEK293T cells by competing with TRIF to bind RIP1 (Meylan E et al. 2004).

Chicken RIP1 protein, confirmed by transcript evidedence, shows 48% amino acid sequence identity with human RIP1.

Literature References
PubMed ID Title Journal Year
16115877 Rip1 mediates the Trif-dependent toll-like receptor 3- and 4-induced NF-{kappa}B activation but does not contribute to interferon regulatory factor 3 activation

Cusson-Hermance, N, Khurana, S, Lee, TH, Fitzgerald, KA, Kelliher, MA

J Biol Chem 2005
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