SCA6 CACNA1A

Disease ID
SCA6
Gene ID
CACNA1A
Updated
Sep 5, 2025
v2.10.0

Disease

SCA
Name
Spinocerebellar ataxia type 6
Inheritance
Autosomal dominant
Description
Prevalence
2.65 100,000
Age of Onset(Typical)Years16  7343  52
Age of Onset Details
Typical: 43-522 ; Range: 164 - 732 .

Locus

Details
Mechanism
GoF/LoF
Year
19976
Location in Gene
Coding, Last Exon: 47 or 48
Gene Strand

Alleles

Ref. Motif
CTG
Pathogenic (ref.)
CTG
Pathogenic (gene)
AGC
BenignIntermediatePathogenicUnits4  1819  2021  33

gnomAD

Pathogenic Genotype (%)Admixed AmericanAfrican/African AmericanAmishAshkenazi JewishEuropean (non Finnish)FinnishMiddle EasternSouth AsianEast AsianOthers01234567CACNA1A

Pathogenic Genotype (%): % of individuals predicted to be affected based on their genotype

References

Direct supporting references for info on this page.

1
Ontology Lookup Service (OLS)
mondo:0008457
2
Spinocerebellar Ataxia Type 6
GeneReviews® · 1993-01-01
genereviews:NBK1140
3
American journal of human genetics · 2017-11-02
pmid:29100084
4
Orphanet journal of rare diseases · 2013-01-18
pmid:23331413
5
Neurology Genetics · 2025-04-01
doi:10.1212/NXG.0000000000200245
6
Nature genetics · 1997-01-01
pmid:8988170

Additional Literature

Additional literature related to this locus.

Raw PubMed search results
(All PubMed results returned by searching for this gene, tandem repeats, and disease, in medline format)

Experimental biology and medicine (Maywood, N.J.) · 2025-07-17
pmid:40746751
Brain communications · 2025-05-17
pmid:40488180
Cerebellum (London, England) · 2025-04-07
pmid:40189664
Journal of neurology · 2025-01-15
pmid:39812846
Journal of the neurological sciences · 2024-11-15
pmid:39571249
European journal of neurology · 2024-08-17
pmid:39152783
Cerebellum (London, England) · 2024-07-24
pmid:39048885
Brain communications · 2024-06-29
pmid:38961870
Molecular biology reports · 2024-01-16
pmid:38227102
Contact Us
Details
Page
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Device
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