| Gene Symbol | JPH3 |
| Full Name | Junctophilin 3 |
| Chromosome | 16q24.3 |
| Function | JPH3 encodes Junctophilin-3, a membrane protein that plays critical roles in forming and maintaining junctional membrane complexes (JMCs) between the plasma membrane and the endoplasmic reticulum (ER) |
| Primary Expression | neurons and may protect against excitotoxicity |
| Molecular Weight | 75 kDa |
| UniProt ID | Q9Y2W5 |
| NCBI Gene ID | 57338 |
| Ensembl ID | ENSG00000125900 |
| OMIM | 605714 |
| GeneCards | JPH3 |
| Human Protein Atlas | JPH3 |
| Junctophilin Family | JPH1, JPH2, JPH4 |
| Huntington's Disease | Parent disease phenotype |
| Polyglutamine Disorders | Huntington's disease, Spinocerebellar ataxias |
| Associated Diseases | neurodegeneration |
| Databases | GeneCardsHPASTRING |