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Proteins/UNIPROT:Q9Y3Q4
Hyperpolarization-activated ion channel that are permeable to Na(+) and K(+) ions with very slow activation and inactivation. Exhibits higher selectivity for K(+) over Na(+) ions. Contributes to the native pacemaker currents in heart (If) that regulate the rhythm of heart beat (Probable). Contributes to the native pacemaker currents in neurons (Ih) (Probable). May mediate responses to sour stimuli (By similarity)..
Function from UniProtKB (Q9Y3Q4), read 2026-09-23. CC BY 4.0.
Curated compounds routed: 0
3 rows
17 statements
17 statements · 6 reference databases · Subject: HCN4 · Sources: gene ontology, Hetionet, Human-GEM, Reactome, Rhea, WikiPathways
3 reactions
Transported by SCN1A or SCN2A or SCN3A or SCN4A or SCN5A or SCN7A or SCN8A or SCN9A or SCN10A or SCN11A or HCN1 or HCN4 and 5 more alternatives
Reaction pageReversibleBalancedextracellular space, cytosol
Human-GEM MAR01527CC BY 4.0Reference data
1 name
Resolves to: HCN4
Transported by ANO9 or HTR3E or KCNU1 or KCNJ18 or TMEM150C or KCNK1 or KCNK3 or GRIN2D or KCNN4 or KCNQ3 or KCNQ2 or HCN1 and 136 more alternatives
Reaction pageDirection not assertedBalanced
Rhea RHEA:29463CC BY 4.0Reference data
Transported by ANO9 or HTR3E or TMEM150C or KCNK1 or KCNK3 or GRIN2D or GRID2 or KCNQ3 or KCNQ2 or GRIN3B or HCN1 or TRPA1 and 98 more alternatives
Reaction pageRight to leftBalanced
Rhea RHEA:34963CC BY 4.0Reference data