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KCNN2

Gene

potassium calcium-activated channel subfamily N member 2

HGNCHGNC:6291EnsemblENSG00000080709NCBI Gene3781
Locus: gene with protein productLocation: 5q22.3

Also known as

Symbols and names change; identity (the HGNC ID) does not. Previous and alternative forms are kept distinct.

Also known asKCa2.2 · hSK2
View full nomenclature history (5)
Alias symbolsKCa2.2, hSK2
Previous namespotassium intermediate/small conductance calcium-activated channel, subfamily N, member 2, potassium channel, calcium activated intermediate/small conductance subfamily N alpha, member 2
Alias namessmall conductance calcium-activated potassium channel 2

Associated diseases

via associated_with

Diseases linked to this gene through the canonical GENE→DISEASE (associated_with) relation, drawn from Open Targets' top-ranked associations by overall score — not the full association set. Disease-level detail lives on each disease's own page.

Atrial Fibrillation
Genetic Diseases, Inborn
Movement Disorders

Drawn from Open Targets’ top 10 associations by overall score for this gene — the subset resolved to a canonical disease. Lower-ranked associations, and diseases not yet canonicalised, are not shown.

Gene family

HGNC gene-group membership.

Potassium calcium-activated channels

Provenance

HGNCCanonical human gene identity from HGNC (release 2026-07-07), updated 2023-01-20.
Open TargetsGene–disease associations from the Open Targets Platform.