Vacuolar Protein Sorting Associated Protein 26A is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
| Name | Vacuolar protein sorting-associated protein 26A |
|---|---|
| Gene | VPS26A |
| UniProt ID | Q8WUM0 |
| PDB IDs | 2D8T, 5W5V |
| Molecular Weight | 38 kDa |
| Subcellular Localization | Endosomes, trans-Golgi network |
| Protein Family | VPS26 family |
This section provides a comprehensive overview of the gene/protein and its role in the nervous system and neurodegenerative diseases.
Vacuolar protein sorting-associated protein 26A belongs to the VPS26 family. The protein consists of a GTPase domain that cycles between active GTP-bound and inactive GDP-bound states.
VPS26A is a core component of the retromer complex (VPS26-VPS29-VPS35). It functions as a cargo recognition module, binding to sorting motifs in transmembrane proteins. The retromer mediates retrograde transport from endosomes to the trans-Golgi network.
Retromer dysfunction is implicated in Alzheimer's disease through altered APP and BACE1 trafficking. VPS26A variants are genetic risk factors for Parkinson's disease. Enhancing retromer function is a therapeutic strategy for neurodegeneration.
Retromer stabilizers (e.g., small molecules) are in development for Alzheimer's disease. Gene therapy to enhance retromer function is being explored.
The study of Vacuolar Protein Sorting Associated Protein 26A 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.