rs201907325

A SNP in the TRPM4 gene on chromosome 19. Its most notable genotype is A;G: Progressive familial heart block type 1B (Brugada syndrome)

Gene
TRPM4
Location
Chr 1949,182,608 (GRCh38)
Highest magnitude
7.0Very important
Tested on
23andMe, AncestryDNA
Minor allele frequency
<1%

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

rs201907325, also known as c.1294G>A, p.Ala432Thr and A432T, represents a rare mutation in the TRPM4 gene. The minor allele is considered causative in a dominant manner for progressive familial heart block type 1B in ClinVar.

A;G

see discussion at rs201907325

Source and license

Adapted from rs201907325 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.