| Gene Symbol | KCNH2 |
| Full Name | Potassium Voltage-Gated Channel Subfamily H Member 2 |
| Aliases | KCNH2PROTEIN |
| Protein Type | Channel |
| Function | The S4 segment serves as the voltage sensor, while the S5-S6 pore region forms the ion conduction pathway. |
| Primary Expression | various regions including the hippocampus, cortex, thalamus, and basal ganglia |
| Subcellular Localization | ** | Plasma membrane, Cytoplasm | |
| Ensembl ID | ENSG00000196878 |
| GeneCards | KCNH2 |
| Human Protein Atlas | KCNH2 |
| S1-S4 | Voltage sensor domain |
| S5-S6 | Pore domain with selectivity filter |
| N-terminus | PAS domain (Per-Arnt-Sim) involved in gating |
| C-terminus | Cyclic nucleotide-binding domain (CNBD) |
| Associated Diseases | ALS, epilepsy, Long-Qt Syndrome, Long QT Syndrome |
| Interactions | GABRG2, HCN1 |
| KG Connections | 49 knowledge graph edges |
| Databases | GeneCardsUniProtNCBI GeneHPASTRING |
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