| RIG-I Protein | |
|---|---|
| Gene | DDX58 |
| UniProt | Q9ULW5 |
| PDB | 2YGB, 4A2W, 5E3H |
| Mol. Weight | 99 kDa |
| Localization | Cytoplasm |
| Family | DEAD-box helicase family |
| Diseases | Alzheimer's Disease, Parkinson's Disease, Viral Encephalitis |
Rig I Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
RIG-I (Retinoic Acid-Inducible Gene I), encoded by DDX58, is a cytoplasmic pattern recognition receptor that detects viral RNA. It belongs to the DEAD-box helicase family and has a molecular weight of approximately 99 kDa^1. This protein is localized to Cytoplasm and plays a significant role in the pathogenesis of Alzheimer's Disease, Parkinson's Disease, Viral Encephalitis.
The RIG-I protein has been characterized structurally through X-ray crystallography. Available PDB structures include: 2YGB, 4A2W, 5E3H^2.
The protein's three-dimensional structure can also be explored via the AlphaFold Protein Structure Database.
Under physiological conditions, RIG-I performs essential functions in antiviral immunity. It is primarily found in Cytoplasm and contributes to detecting viral RNA and initiating antiviral immune responses.
RIG-I is a cytoplasmic RNA helicase that detects viral infections:
RIG-I contains multiple functional domains:
RIG-I is implicated in the following neurodegenerative conditions:
Dysregulation of RIG-I contributes to neuronal damage through various mechanisms including chronic neuroinflammation, increased cytokine production, and glial activation.
RIG-I represents an important therapeutic target. Multiple drug development programs are exploring strategies to modulate its function:
The study of Rig I Protein has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
Yoneyama M, et al. (2004). The RNA helicase RIG-I has an essential function in double-stranded RNA-induced innate antiviral responses. Nat Immunol. 5(7):730-737. DOI
Kowalinski E, et al. (2011). Structural basis for the activation of innate immune pattern-recognition receptor RIG-I. Cell. 147(2):423-435. DOI
Loo YM, Gale M Jr. (2011). Immune signaling by RIG-I-like receptors. Immunity. 34(5):680-692. DOI
Raman M, et al. (2013). RIG-I in RNA virus infection. Adv Virol. 2013:196817. DOI
Carty M, Bowie AG. (2011). Evaluating the role of RIG-I in antiviral immunity. Biochem Soc Trans. 39(5):1331-1335. DOI