Gene Information
Gene NameKCNK3
OrganismHomo sapiens (Human)
Gene Length394
Protein NamesPotassium channel subfamily K member 3 (Acid-sensitive potassium channel protein TASK-1) (TWIK-related acid-sensitive K(+) channel 1) (Two pore potassium channel KT3.1) (Two pore K(+) channel KT3.1)
Target Namepotassium channel subfamily k member 3
Target TypeNA
Gene Age950 ( ENSG00000171303 )
Evolutionary StageVertebrata
AlphaFoldDBO14649
Gene CardKCNK3
Uniprot IDO14649
PfamPF07885
In ASDno
Allosteric Predictionyes (1.11959863)
Ortholog in AnimalsAlpaca_ KCNK3 ( ortholog_one2one )
Dog_ KCNK3 ( ortholog_one2one )
GuineaPig_ KCNK3 ( ortholog_one2one )
Macaque_ KCNK3 ( ortholog_one2one )
Mouse_ Kcnk3 ( ortholog_one2one )
Pig_ KCNK3 ( ortholog_one2one )
Rat_ Kcnk3 ( ortholog_one2one )
Rabbit_ KCNK3 ( ortholog_one2one )
OhnologsKCNK15, KCNK9
ParalogsKCNK6, KCNK15, KCNK13, KCNK1, KCNK17, KCNK9, KCNK2, KCNK18, KCNK16, KCNK12, KCNK7, KCNK4, KCNK5, KCNK10
Tissueadrenal.gland
Tissue SpecificityWidespread expression in adult. Strongest expression in pancreas and placenta. Lower expression in brain, lung, prostate, heart, kidney, uterus, small intestine and colon.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 6RV2  (X-ray  3.00A  6RV3  (X-ray  2.90A  6RV4  (X-ray  3.10A 
DBSNP rs1085307438  rs398123040  rs398123042  rs398123043  rs398123039  rs398123041 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:23169818};
Multi-pass membrane protein {ECO:0000305}.
Mouse PG classificationLPG
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