| Gene Symbol | MARS2 |
| Full Name | Mitochondrial Arginyl-tRNA Synthetase 2 |
| Chromosome | 2q33.1 |
| Protein Type | Synthetase |
| Function | encodes a mitochondrial aminoacyl-tRNA synthetase (mtARS) that specifically charges arginine to its cognate mitochondrial tRNA. |
| Primary Expression | tissues with high mitochondrial energy demands: |
| Molecular Weight | 65 kDa |
| Amino Acids | 577 aa |
| UniProt ID | [Q9N3W4](https://www.uniprot.org/uniprot/Q9N3W4) |
| Ensembl ID | ENSG00000135953 |
| GeneCards | MARS2 |
| Human Protein Atlas | MARS2 |
| Length | Approximately 577 amino acids |
| Molecular weight | ~65 kDa |
| Domains | Contains the catalytic domain typical of class I aminoacyl-tRNA synthetases |
| Associated Diseases | neurodegeneration |
| Databases | GeneCardsNCBI GeneHPASTRING |
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