E3 ubiquitin ligase TRIM40
Definition:
E3 ubiquitin-protein ligase that plays a role in the limitation of the innate immune response. Mediates inhibition of the RLR signaling pathway by ubiquitinating RIGI and IFIH1 receptors, leading to their proteasomal degradation. Promotes also the neddylation of IKBKG/NEMO, stabilizing NFKBIA, and thereby inhibiting of NF-kappa-B nuclear translocation and activation.
References:
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[1]. Keita Noguchi, et al. TRIM40 promotes neddylation of IKKγ and is downregulated in gastrointestinal cancers. Carcinogenesis. 2011 Jul;32(7):995-1004. [Content Brief]
[2]. Chunyuan Zhao, et al. The E3 Ubiquitin Ligase TRIM40 Attenuates Antiviral Immune Responses by Targeting MDA5 and RIG-I. Cell Rep. 2017 Nov 7;21(6):1613-1623. [Content Brief]
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