Automated description from the Alliance of Genome Resources (Release 5.3.0)
Enables intracellular cAMP-activated cation channel activity. Acts upstream of or within cation transport; in utero embryonic development; and regulation of heart contraction. Located in axon. Is expressed in several structures, including eye; future brain; heart; septum transversum; and venous system. Human ortholog(s) of this gene implicated in Brugada syndrome 8; Gilles de la Tourette syndrome; idiopathic generalized epilepsy; and sick sinus syndrome. Orthologous to human HCN4 (hyperpolarization activated cyclic nucleotide gated potassium channel 4).