A suggested positive control is Daudi cell lysate.
PA5-20337 can be used with blocking peptide PEP-0457.
The innate immune system detects viral infection by recognizing various viral components and triggers antiviral responses. Like the toll-like receptor 3 (TLR3), the melanoma differentiation-associated protein 5 (MDA5) recognizes double-stranded (ds) RNA, a molecular pattern associated with viral infection. MDA5, a member of the DEAD/DEAH-box RNA helicase family, consists of an amino-terminal caspase recruitment domain (CARD) and a carboxyl-terminal RNA helicase domain similar to that of the related protein RIG-1. When stimulated by dsRNA, MDA5 recruits the adaptor protein VISA and ultimately causes the activation of IRF-3 and NF-kappa-B. MDA5 and RIG-1 recognize different types of dsRNA, with MDA5 recognizing poly (I:C). MDA5-null mice were highly susceptible to infection with picornaviruses, which possess such sequences, demonstrating the importance of MDA5 in innate immunity.
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Protein Aliases: CADM-140 autoantigen; Clinically amyopathic dermatomyositis autoantigen 140 kDa; DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide; Helicard; Helicase with 2 CARD domains; interferon induced, with helicase C domain 1; Interferon-induced helicase C domain-containing protein 1; Interferon-induced with helicase C domain protein 1; MDA-5; melanoma differentiation associated protein-5; melanoma differentiation-associated gene 5; Melanoma differentiation-associated protein 5; Murabutide down-regulated protein; RIG-I-like receptor 2; RLR-2; RNA helicase-DEAD box protein 116
Gene Aliases: AGS7; Hlcd; IDDM19; IFIH1; MDA-5; MDA5; RH116; RLR-2; SGMRT1
UniProt ID: (Human) Q9BYX4
Entrez Gene ID: (Human) 64135