rs80359664

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

Gene
BRCA2
Location
Chr 1332,356,559 (GRCh38)
Highest magnitude
6.0Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

On SNPedia: (-;CT), (-;CTCT), (CT;CT), (CTCT;CTCT), (TC;TC). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Conditions, medicines and genes

Notes

From SNPedia

Notes

rs80359664, also known as 7795delCT, c.7567_7568delCT and p.Leu2523Glufs, as well as c.7563_7564delCTCT, is a variant in the BRCA2 gene considered pathogenic for breast cancer in ClinVar.

-;CT

See details at rs80359664. Note: if raw data is DI, exact mutation may be ambiguous.

-;CTCT

See details at rs80359664. Note: if raw data is DI, exact mutation may be ambiguous.

Source and license

Adapted from rs80359664 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.