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RIG-I-like receptor family C

Unless otherwise stated all data on this page refer to the human proteins. Gene information is provided for human (Hs), mouse (Mm) and rat (Rn).


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There are three human RIG-I-like receptors (RLRs) which are cytoplasmic pattern recognition receptors (PRRs) of the innate immune system. They detect non-self cytosolic double-stranded RNA species and and 5'-triphosphate single-stranded RNA from various sources and are essential for inducing production of type I interferons, such as IFNβ, type III interferons, and other anti-pathogenic effectors [1-2]. They function as RNA helicases (EC using the energy from ATP hydrolysis to unwind RNA.


RIG-1 (DExD/H-box helicase 58) C Show summary » More detailed page

MDA5 (interferon induced with helicase C domain 1) C Show summary » More detailed page

LGP2 (DExH-box helicase 58) C Show summary » More detailed page

Further reading

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NC-IUPHAR subcommittee and family contributors

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How to cite this family page

Database page citation (select format):

Concise Guide to PHARMACOLOGY citation:

Alexander SPH, Fabbro D, Kelly E, Mathie A, Peters JA, Veale EL, Armstrong JF, Faccenda E, Harding SD, Pawson AJ, Sharman JL, Southan C, Davies JA; CGTP Collaborators. (2019) The Concise Guide to PHARMACOLOGY 2019/20: Catalytic receptors. Br J Pharmacol. 176 Suppl 1: S247-S296.