| Property | Value |
|---|---|
| Protein Name | Sortilin-Related VPS10 Domain Containing Receptor 1 |
| Gene | SORCS1 |
| UniProt ID | Q8WY30 |
| Molecular Weight | ~116 kDa |
| Subcellular Localization | Cell surface, endosomes |
| Protein Family | VPS10P domain receptor family |
SORCS1 (Sortilin-Related VPS10 Domain Containing Receptor 1) is a member of the VPS10P domain receptor family that functions as a sorting receptor for various ligands involved in neuronal function, metabolism, and Alzheimer's disease pathogenesis[1]. Genetic variants in SORCS1 have been associated with Alzheimer's disease risk, making it a protein of significant interest in neurodegenerative research.
SORCS1 contains multiple functional domains characteristic of the VPS10P family[2]:
VPS10P domain: The N-terminal propeptide and ligand-binding domain (approximately 600 amino acids) is the signature feature of this receptor family. This domain binds a diverse array of ligands with distinct affinities and specificities[3].
Transmembrane domain: A single-pass membrane-spanning region anchors the receptor in cellular membranes.
Cytoplasmic tail: The intracellular C-terminal tail contains sorting motifs including dileucine-based signals and acidic cluster-dileucine motifs that direct protein trafficking between the trans-Golgi network, endosomes, and the plasma membrane.
CUB-like domains: Additional complement C1r/C1s, Uegf, Bmp1 (CUB) domains may participate in ligand binding and protein-protein interactions.
SORCS1 binds multiple physiologically relevant ligands:
SORCS1 participates in intracellular protein trafficking[4]:
In neurons, SORCS1 modulates:
SORCS1 is genetically and functionally implicated in AD pathogenesis[4:1][5]:
Hermey, G. (2009). The Vps10p-domain receptor family. Cellular and Molecular Life Sciences, 66(16), 2677-2689. 2009. ↩︎
Quistgaard, E.M. et al. (2009). The VPS10P domain receptor family. Biochemical Society Transactions, 37(Pt 4), 807-812. 2009. ↩︎
lanes, M.S. et al. (2011). The Vps10p-domain receptors, pharmacological partners. Journal of Molecular Neuroscience, 45(3), 500-516. 2011. ↩︎
Rogaeva, E. et al. (2007). The neuronal sortilin-related receptor SORL1 is genetically associated with Alzheimer disease. Nature Genetics, 39(2), 168-177. 2007. ↩︎ ↩︎
Andersen, O.M. et al. (2005). Molecular dissection of the intracellular domain of SORLA. Journal of Alzheimer's Disease, 8(2), 119-130. 2005. ↩︎