HCN channel
HCN (hyperpolarization-activated cyclic nucleotide-gated) channel is a pacemaker channel that is found in the heart cells. It is activated by cAMP and permeable to Na+ and K+ when the membrane potential is hyperpolarized.
HCN (hyperpolarization-activated cyclic nucleotide-gated) channel is a pacemaker channel that is found in the heart cells. It is activated by cAMP and permeable to Na+ and K+ when the membrane potential is hyperpolarized.