Gene Information
Gene NameHCN4
OrganismHomo sapiens (Human)
Gene Length1203
Protein NamesPotassium/sodium hyperpolarization-activated cyclic nucleotide-gated channel 4
Target NameNA
Target TypeNA
Gene Age987 ( ENSG00000138622 )
Evolutionary StageEukaryota
AlphaFoldDBQ9Y3Q4
Gene CardHCN4
Uniprot IDQ9Y3Q4
PfamPF00027; PF00520; PF08412
In ASDyes
Allosteric Predictionyes (0.999993815)
Ortholog in AnimalsAlpaca_ HCN4 ( ortholog_one2one )
Dog_ HCN4 ( ortholog_one2one )
GuineaPig_ HCN4 ( ortholog_one2one )
Macaque_ HCN4 ( ortholog_one2one )
Mouse_ Hcn4 ( ortholog_one2one )
Pig_ HCN4 ( ortholog_one2one )
Rat_ Hcn4 ( ortholog_one2one )
Rabbit_ HCN4 ( ortholog_one2one )
OhnologsHCN2, HCN3, HCN1
ParalogsKCNH7, KCNH1, HCN3, CNGA3, KCNH3, HCN2, KCNH8, HCN1, CNGB3, CNGB1, CNGA1, KCNH6, KCNH2, KCNH4, CNGA2, CNGA4, KCNH5
TissueNA
Tissue SpecificityHighly expressed in thalamus, testis and in heart, both in ventricle and atrium. Detected at much lower levels in amygdala, substantia nigra, cerebellum and hippocampus. {ECO:0000269|PubMed:10228147, ECO:0000269|PubMed:10430953}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2MNG  (NMR  3OTF  (X-ray  2.40A  3U11  (X-ray  2.50A  4HBN  (X-ray  2.60A  4KL1  (X-ray  2.70A  4NVP  (X-ray  2.50A  6GYN  (EM  3.40A  6GYO  (EM  3.40A 
DBSNP rs1454748709  rs104894485  rs104894488 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:10228147, ECO:0000269|PubMed:10430953, ECO:0000269|PubMed:16407510};
Multi-pass membrane protein {ECO:0000269|PubMed:10228147, ECO:0000269|PubMed:10430953, ECO:0000269|PubMed:16407510}.
Mouse PG classificationHPG
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