Gene Information
Gene NameKCNK9
OrganismHomo sapiens (Human)
Gene Length374
Protein NamesPotassium channel subfamily K member 9 (Acid-sensitive potassium channel protein TASK-3) (TWIK-related acid-sensitive K(+) channel 3) (Two pore potassium channel KT3.2) (Two pore K(+) channel KT3.2)
Target Namepotassium channel subfamily k member 9
Target TypeNA
Gene Age950 ( ENSG00000169427 )
Evolutionary StageEumetazoa
AlphaFoldDBQ9NPC2
Gene CardKCNK9
Uniprot IDQ9NPC2
PfamPF07885
In ASDno
Allosteric Predictionyes (0.95176986)
Ortholog in AnimalsAlpaca_ KCNK9 ( ortholog_one2one )
Dog_ KCNK9 ( ortholog_one2one )
GuineaPig_ KCNK9 ( ortholog_one2one )
Macaque_ KCNK9 ( ortholog_one2one )
Mouse_ Kcnk9 ( ortholog_one2one )
Pig_ KCNK9 ( ortholog_one2one )
Rat_ Kcnk9 ( ortholog_one2one )
Rabbit_ KCNK9 ( ortholog_one2one )
OhnologsKCNK15, KCNK3
ParalogsKCNK6, KCNK15, KCNK3, KCNK13, KCNK1, KCNK17, KCNK2, KCNK18, KCNK16, KCNK12, KCNK7, KCNK4, KCNK5, KCNK10
Tissuecerebellar.hemisphere, cerebellum
Tissue SpecificityMainly found in the cerebellum. Also found in adrenal gland, kidney and lung. {ECO:0000269|PubMed:11042359, ECO:0000269|PubMed:11431495}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 3P1N  (X-ray  1.40A  3P1O  (X-ray  1.90A  3P1P  (X-ray  1.95A  3P1Q  (X-ray  1.70A  3P1R  (X-ray  1.70A  3P1S  (X-ray  1.65A  3SMK  (X-ray  2.10A  3SML  (X-ray  1.90A  3SMM  (X-ray  2.00A  3SMN  (X-ray  2.00A  3SMO  (X-ray  1.80A  3SP5  (X-ray  1.80A  3SPR  (X-ray  1.99A  3UX0  (X-ray  1.75A  4FR3  (X-ray  1.90A  6GHP  (X-ray  1.95A 
DBSNP rs121908332 
Subcellular location [CC]Cell membrane {ECO:0000305};
Multi-pass membrane protein {ECO:0000305}.
Mouse PG classificationNA
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