rs63749962
A SNP in the PSEN1 gene on chromosome 14. Its most notable genotype is C;T: Alzheimer's disease (reported)
- Gene
- PSEN1
- Location
- Chr 1473,173,570 (GRCh38)
- Highest magnitude
- 7.0Very important
- Tested on
- AncestryDNA
Genotypes
As shown in 23andMe and AncestryDNA files.
- C;TMost notableBadAlzheimer's disease (reported)
- G;TBadAlzheimer's disease (reported)
- T;TGoodcommon/normal
On SNPedia: (C;T), (G;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Conditions, medicines and genes
Other PSEN1 SNPs
- rs661A;Aearly onset Alzheimer's diseaseVery important
- rs63749885C;Tearly-onset Alzheimers diseaseVery important
- rs63749891C;Gearly-onset Alzheimers diseaseVery important
- rs63750577C;Tearly-onset Alzheimers diseaseVery important
- rs63750599C;Tearly-onset Alzheimers diseaseVery important
- rs63750815G;Tearly-onset Alzheimers diseaseVery important
- rs63750886C;Gearly-onset Alzheimers diseaseVery important
- rs63750900A;Gearly-onset Alzheimers diseaseVery important
Notes
From SNPedia
Notes
rs63749962, also known as c.343T>C, Y115H or Tyr115His, or alternatively as c.343T>G, Y115D or Tyr115Asp, is a SNP in the presenilin 1 PSEN1 gene. Inherited as an autosomal dominant, both the rare rs63749962(C) and rs63749962(G) alleles are considered pathogenic for early-onset Alzheimer's disease according to AlzForum. Reported in to be a "definitely" pathogenic mutation.
C;T
see discussion at rs63749962
G;T
see discussion at rs63749962
Source and license
Adapted from rs63749962 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.