| Gene Symbol | KCNJ4 |
| Full Name | Potassium Inwardly Rectifying Channel Subfamily J Member 4 |
| Aliases | Kir2.3 Potassium Channel |
| Chromosome | 22q13.1 |
| Protein Type | Channel |
| Function | KCNJ4 (also known as Kir2.3) encodes an inward rectifier potassium channel that plays crucial roles in neuronal excitability, cardiac rhythm, and cellular homeostasis |
| UniProt ID | P48745 |
| NCBI Gene ID | 3765 |
| Ensembl ID | ENSG00000102195 |
| OMIM | 600494 |
| GeneCards | KCNJ4 |
| Human Protein Atlas | KCNJ4 |
| Resting membrane potential | Maintains negative resting potential in neurons and cardiomyocytes |
| Neuronal excitability | Regulates action potential threshold and firing patterns |
| Potassium homeostasis | Controls intracellular K+ levels |
| Associated Diseases | neurodegeneration |
| Databases | GeneCardsHPASTRING |
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