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KCND3

potassium voltage-gated channel subfamily D member 3
2 disorders 1 untyped 1 disputed 1p13.2 gene with protein product
HGNC:6239MonarchNCBI Gene 3752ENSG00000171385UniProt Q9UK17OMIM 605411

Previous symbols: SCA22, SCA19. Aliases: Kv4.3, KSHIVB.

In the knowledge base · computed from kb/ at build time

Disorders

Relationship is the entry's genetic[].relationship_type. untyped means the entry has a genetic record for the gene but does not type it; its free-text association is shown instead.

DisorderRelationshipWhere the gene appears
Brugada syndrome disputed
Autosomal Dominant Cerebellar Ataxia Type I untyped
SCA19/22 KCND3 (Kv4.3) variants
mechanism: Purkinje-Cell Ion Channel and Excitability Dysfunction
subtype: SCA19-22
scoped to subtype: SCA19-22
Mechanism modules · computed from kb/

Identity from HGNC (snapshot 2026-10-01). Page layers are described in the gene pages documentation.