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- Table of Contents
4 Citations
Facts about Potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4.
May contribute to the native pacemaker currents in neurons (Ih). May mediate responses to sour stimuli.
| Human | |
|---|---|
| Gene Name: | HCN4 |
| Uniprot: | Q9Y3Q4 |
| Entrez: | 10021 |

| Belongs to: |
|---|
| potassium channel HCN family |

HCN4; hyperpolarization activated cyclic nucleotide-gated cation channel 4; hyperpolarization activated cyclic nucleotide-gated potassium channel 4; potassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4; SSS2
Mass (kDA):
129.042 kDA

| Human | |
|---|---|
| Location: | 15q24.1 |
| Sequence: | 15; NC_000015.10 (73319859..73368958, complement) |
Highly expressed in thalamus, testis and in heart, both in ventricle and atrium. Detected at much lower levels in amygdala, substantia nigra, cerebellum and hippocampus.
Cell membrane; Multi-pass membrane protein.




PMID: 10228147 by Ludwig A., et al. Two pacemaker channels from human heart with profoundly different activation kinetics.
PMID: 10430953 by Seifert R., et al. Molecular characterization of a slowly gating human hyperpolarization-activated channel predominantly expressed in thalamus, heart, and testis.
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