rs1555104609
A SNP in the ATM gene. Its most notable genotype is C;T: Moderately increased risk of cancers (such as breast cancer)
- Gene
- ATM
- Highest magnitude
- 4.1Very important
- Tested on
- Not on consumer chips
Genotypes
As shown in 23andMe and AncestryDNA files.
- C;CGoodcommon/normal
- C;TMost notableBadModerately increased risk of cancers (such as breast cancer)
On SNPedia: (C;C), (C;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Other ATM SNPs
- rs147557621G;TBreast cancer associated mutationVery important
- rs200976093C;TBreast cancer associated mutationVery important
- rs376170600C;GBreast cancer associated mutationVery important
- rs376603775C;TBreast cancer associated mutationVery important
- rs529296539C;GBreast cancer associated mutationVery important
- rs587776551A;GBreast cancer associated mutationVery important
- rs587778080C;TBreast cancer associated mutationVery important
- rs587779813A;GBreast cancer associated mutationVery important
Notes
From SNPedia
Notes
Also known as c.5065C>T, Rs1555104609 is a SNP in the ATM gene, located on chromosome 11. Mutations in the ATM gene are generally considered to be of "moderate" penetrance, therefore resulting in 'moderately' increased risk of cancers (such as breast cancer).
C;T
see text and links via main rs-page
Source and license
Adapted from rs1555104609 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.