| Name | Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 1 |
| Description | Hyperpolarization-activated ion channel exhibiting weak selectivity for potassium over sodium ions. Contributes to the native pacemaker currents in heart (If) and in neurons (Ih). May mediate responses to sour stimuli. |
| UniProt ID | O60741 |
| Gene | HCN1 |