rs80359550

A SNP in the BRCA2 gene on chromosome 13. Its most notable genotype is -;-: BRCA2 variant considered pathogenic for breast cancer

Gene
BRCA2
Location
Chr 1332,340,301 (GRCh38)
Highest magnitude
6.0Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

On SNPedia: (-;-), (-;T), (T;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

rs80359550, also known as 6174delT, c.5946_5946delT and p.Ser1982Argfs, is a variant in the BRCA2 gene considered pathogenic for breast cancer in ClinVar. More commonly known as 6174delT, rs80359550 is a mutation in the BRCA2 gene linked to early-onset breast cancer. It is considered a founder mutation in Ashkenazi Jews. One of the direct-to-consumer genetic testing companies, 23andMe, uses their own name, i4000379, for this SNP.

-;-

See details at rs80359550.

-;T

See details at rs80359550.

Source and license

Adapted from rs80359550 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.