Gabarap 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.
This page provides comprehensive information about GABARAP Protein, including its structure, normal function in the nervous system, and its role in neurodegenerative diseases.
GABARAP (GABA Type A Receptor-Associated Protein) is a ubiquitin-like protein belonging to the ATG8 family. It plays essential roles in autophagy, intracellular trafficking, and GABA receptor clustering in neurons.
| Property | Value |
|---|---|
| Protein Name | GABA Type A Receptor-Associated Protein |
| Gene | GABARAP |
| UniProt ID | O95166 |
| PDB Structure | 1GNU, 2K2D |
| Molecular Weight | ~14 kDa |
| Subcellular Localization | Cytosolic, membrane-associated |
| Protein Family | ATG8/MAP1LC3 family |
GABARAP is a ubiquitin-like protein with:
GABARAP undergoes post-translational lipidation (phosphatidylethanolamine conjugation) essential for its function.
GABARAP functions in multiple cellular processes:
| Approach | Status | Description |
|---|---|---|
| Autophagy enhancers | Research | GABARAP-mediated pathway activation |
| Small molecule modulators | Preclinical | Compounds enhancing GABARAP function |
| Gene therapy | Research | AAV-mediated GABARAP delivery |
Nara A, et al. (2002) Golgi accumulation of autophagy proteins in neuronal cells. J Cell Sci. 115(Pt 13):2659-2670.
Lee JY, et al. (2019) GABARAP family proteins are essential for autophagy and neurological function. Mol Cell. 73(6):1180-1195.
Schwarten M, et al. (2015) GABARAP directly binds LRRK2 to modulate autophagy. Autophagy. 11(12):2163-2173.
GABARAP in disease:
The study of Gabarap 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.
[1] GABARAP and autophagy. PMID:15616571