rs397516354

A SNP in the TNNI3 gene on chromosome 19. Its most notable genotype is A;C: Familial Hypertrophic Cardiomyopathy

Gene
TNNI3
Location
Chr 1955,154,094 (GRCh38)
Highest magnitude
6.2Very important
Tested on
AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs397516354 on the minus strand: (A;G), (G;G), (G;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Conditions, medicines and genes

Notes

From SNPedia

Notes

The rare minor allele of this variant is reported to be pathogenic/likely pathogenic for familial hypertrophic cardiomyopathy (HCM), according to .

C;T

see discussion at rs397516354

Source and license

Adapted from rs397516354 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.