rs397509428

A SNP in the ESR1 gene on chromosome 6. Its most notable genotype is G;T: Carrier for an estrogen resistance mutation

Gene
ESR1
Location
Chr 6152,011,684 (GRCh38)
Highest magnitude
3.0Important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

see OMIM 133430.0006

G;T

Unaffected in absence of a second ESR1 gene mutation

Source and license

Adapted from rs397509428 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.