| TIMM22 Protein | |
|---|---|
| Gene | TIMM22 |
| UniProt | Q9Y5J7 |
| Mol. Weight | 22 kDa |
| Localization | Mitochondrial inner membrane |
| Family | Translocase of inner mitochondrial membrane (TIM) family |
| Diseases | Parkinson's Disease, ALS, Mitochondrial Disorders |
TIMM22 is a critical subunit of the mitochondrial inner membrane translocase complex (TIM), responsible for importing mitochondrial carrier proteins and other essential proteins into the mitochondrial matrix[1]. This protein is crucial for maintaining mitochondrial function and has been implicated in neurodegenerative diseases including Parkinson's Disease and ALS[2].
TIMM22 is an essential component of the TIM22 complex, which mediates the insertion of carrier proteins into the mitochondrial inner membrane. The TIM22 complex (also known as the carrier translocase) is distinct from the TIM23 complex that imports matrix proteins[3].
The TIM22 complex consists of:
TIMM22 features:
TIMM22 imports:
In neurons, TIMM22 is vital for:
Nature reviews. Mitochondrial DNA repair and neurodegeneration. Nature Reviews Neuroscience. 2010;11(5):301-315. ↩︎
DiMauro S, Schon EA. Mitochondrial respiratory-chain diseases. New England Journal of Medicine. 2003;348(26):2656-2668. ↩︎
Lin MT, Beal MF. Mitochondrial dysfunction and oxidative stress in neurodegenerative diseases. Nature. 2006;443(7113):787-795. ↩︎