rs764328696

A SNP in the TBX20 gene on chromosome 7. Its most notable genotype is A;A: Atrial septal defect, type 4

Gene
TBX20
Location
Chr 735,248,696 (GRCh38)
Highest magnitude
5.0Very important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

On SNPedia: (A;A), (A;G), (C;C). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Notes

From SNPedia

Notes

rs764328696, also known as c.526G>A, p.Asp176Asn and D176N, represents a mutation in the TBX20 gene on chromosome 7. The rare (A) allele was identified based on whole exome sequencing of a Chinese family as causative for familial atrial septal defect, type 4.

A;A

see rs764328696

A;G

see rs764328696

Source and license

Adapted from rs764328696 on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.