# Hyperpolarization activated cyclic nucleotide-gated potassium channel 4

> mammalian protein found in Rattus norvegicus

**Wikidata**: [Q28563247](https://www.wikidata.org/wiki/Q28563247)  
**Source**: https://4ort.xyz/entity/hyperpolarization-activated-cyclic-nucleotide-gated-potassium-channel-4-q28563247


## References

1. UniProt
2. [InterPro Release 71.0](http://www.ebi.ac.uk/interpro/protein/Q9JKA7)
3. Q20641742
4. [GOA](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:Q9JKA7)
5. [HCN channels are expressed differentially in retinal bipolar cells and concentrated at synaptic terminals](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:Q9JKA7)
6. [HCN2 and HCN4 isoforms self-assemble and co-assemble with equal preference to form functional pacemaker channels](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:Q9JKA7)
7. [Colocalization of hyperpolarization-activated, cyclic nucleotide-gated channel subunits in rat retinal ganglion cells](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:Q9JKA7)
8. [Immunohistochemical localization of Ih channel subunits, HCN1-4, in the rat brain](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:Q9JKA7)
9. [Hyperpolarization-activated channels HCN1 and HCN4 mediate responses to sour stimuli](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:Q9JKA7)
10. [Declines in levels of hyperpolarization-activated cation (HCN) channels in the rat ovary after cisplatin exposure](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:Q9JKA7)
11. [Aldosterone modulates I(f) current through gene expression in cultured neonatal rat ventricular myocytes](http://www.ebi.ac.uk/QuickGO/annotations?geneProductId=UniProtKB:Q9JKA7)
12. ensembl Release 106