rs80357065

A SNP in the BRCA1 gene on chromosome 17. Its most notable genotype is A;T: BRCA1 variant considered pathogenic for breast cancer

Gene
BRCA1
Location
Chr 1743,049,168 (GRCh38)
Highest magnitude
6.0Very important
Tested on
23andMe

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs80357065 on the minus strand: (A;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

c.5359T>A (p.Cys1787Ser) Clinical significance in ClinVar: now considered pathogenic for breast cancer by consensus

A;T

see rs80357065.

Source and license

Adapted from rs80357065 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.