rs63751037

A SNP in the PSEN1 gene on chromosome 14. Its most notable genotype is A;G: early-onset Alzheimers disease

Gene
PSEN1
Location
Chr 1473,173,642 (GRCh38)
Highest magnitude
9.0Very important
Tested on
23andMe, AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Conditions, medicines and genes

Notes

From SNPedia

Notes

rs63751037, also known as M139V or Met139Val, is a SNP in the presenilin 1 PSEN1 gene. The rare rs63751037(G) allele is considered causative for early-onset Alzheimer's disease.

A;G

See discussion at rs63751037.

Source and license

Adapted from rs63751037 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.