Gene Information
Gene NameKCNK4
OrganismHomo sapiens (Human)
Gene Length393
Protein NamesPotassium channel subfamily K member 4 (TWIK-related arachidonic acid-stimulated potassium channel protein) (TRAAK) (Two pore potassium channel KT4.1) (Two pore K(+) channel KT4.1)
Target NameNA
Target TypeNA
Gene Age987 ( ENSG00000182450 )
Evolutionary StageVertebrata
AlphaFoldDBQ9NYG8
Gene CardKCNK4
Uniprot IDQ9NYG8
PfamPF07885
In ASDno
Allosteric Predictionyes (0.27941814)
Ortholog in AnimalsAlpaca_ KCNK4 ( ortholog_one2one )
Dog_ KCNK4 ( ortholog_one2one )
GuineaPig_ KCNK4 ( ortholog_one2one )
Macaque_ KCNK4 ( ortholog_one2one )
Mouse_ Kcnk4 ( ortholog_one2one )
Pig_ KCNK4 ( ortholog_one2one )
Rat_ Kcnk4 ( ortholog_one2one )
OhnologsKCNK6, KCNK10, KCNK2, KCNK16, KCNK17, KCNK1, KCNK5
ParalogsKCNK6, KCNK15, KCNK3, KCNK13, KCNK1, KCNK17, KCNK9, KCNK2, KCNK18, KCNK16, KCNK12, KCNK7, KCNK5, KCNK10
TissueNA
Tissue SpecificityNA
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 3UM7  (X-ray  3.31A  4I9W  (X-ray  2.75A  4RUE  (X-ray  3.30A  4RUF  (X-ray  3.40A  4WFE  (X-ray  2.50A  4WFF  (X-ray  2.50A  4WFG  (X-ray  3.00A  4WFH  (X-ray  3.01A  7LJ4  (X-ray  2.78A  7LJ5  (X-ray  2.26A  7LJA  (X-ray  2.77A  7LJB  (X-ray  2.97A 
DBSNP rs953778 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:22282805, ECO:0000269|PubMed:23341632, ECO:0000269|PubMed:25471887, ECO:0000269|PubMed:25500157};
Multi-pass membrane protein {ECO:0000269|PubMed:22282805, ECO:0000269|PubMed:23341632, ECO:0000269|PubMed:25471887, ECO:0000269|PubMed:25500157}.
Mouse PG classificationNA
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