| Gene Symbol | CACNA2D2 |
| Full Name | Calcium Voltage-Gated Channel Auxiliary Subunit Alpha2delta 2 |
| Aliases | α2δ-2, CACNA2D2 |
| Chromosome | 3p21.31 |
| Protein Family | Voltage-gated calcium channel auxiliary subunits |
| Function | encodes a large precursor protein that undergoes post-translational processing to generate the mature alpha2 and delta subunits, which remain linked by disulfide bonds. |
| Primary Expression | Brain (cerebellum, hippocampus, cortex), heart, spinal cord |
| Subcellular Localization | Plasma membrane |
| Molecular Weight | ~130 kDa (precursor) |
| Amino Acids | 1116 aa |
| Exons | 39 |
| UniProt ID | Q9YXG3 |
| NCBI Gene ID | 9254 |
| Ensembl ID | ENSG00000107438 |
| OMIM | 607117 |
| GeneCards | CACNA2D2 |
| Human Protein Atlas | CACNA2D2 |
| Associated Diseases | Alzheimer's Disease, Breast Cancer, Cerebellar Atrophy, Epileptic Encephalopathy, Frontotemporal Dementia with Tau Pathology, Intermediate Coronary Lesions |
| Interactions | CACNA1I, CACNA2D1, CACNA1E, CACNA1H, CACNA1G, CACNA1A |
| KG Connections | 60 knowledge graph edges |
| Databases | GeneCardsHPASTRING |