CTNNA3

This page contains an overview of the genetic variation in the CTNNA3 gene, including its role in inherited cardiac disease. For more details, click on the links below, or for a specific variant, enter the HGVS variant here:

CTNNA3 gene and transcript details

Gene Name
catenin (cadherin-associated protein), alpha 3

Gene Links
Ensembl: ENSG00000183230 - Locus Reference Genomic:

Genomic Location
Chromosome 10 : 67,680,088 - 69,407,271 (reverse strand)
View in: Ensembl - UCSC Genome Browser


Canonical Seqs Transcript (2685 bases)Protein (895 aa)
ENST00000433211 ENSP00000389714
NM_013266.2
Q9UI47

Summary of CTNNA3 in Cardiomyopathies


CTNNA3 variants in ExAC

Details of the protein-altering CTNNA3 variants (missense, loss of function truncating, inframe indels and splice site regions) found in the ExAC database are shown below. To view lists of specific variants with links to detailed population frequency data, click on the variant numbers - for all or a particular variant class.

Total VariantsCombined frequency of rare variants
All Variants4500.00751
Truncating250.00059
Missense3840.00649
Inframe20.00002
Splice Site390.00042

Rare variants are defined as having a mean allelic frequency of less than 0.0001.