Source: wikibot/hcn4
= HCN4
{wiki=HCN4}
HCN4 refers to a specific type of hyperpolarization-activated cyclic nucleotide-gated ion channel, which plays a crucial role in generating and regulating electrical activity in the heart. Specifically, HCN4 is one of the four known members of the HCN channel family (HCN1, HCN2, HCN3, and HCN4).