rs63750306

A SNP in the PSEN1 gene on chromosome 14. Its most notable genotype is A;C: Alzheimer's disease

Gene
PSEN1
Location
Chr 1473,173,663 (GRCh38)
Highest magnitude
7.0Very important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. A;AGoodcommon in clinvarTypical · 0.0
  2. A;CMost notableBadAlzheimer's diseaseVery important · 7.0
  3. A;GBadAlzheimer's diseaseVery important · 7.0
  4. A;TBadAlzheimer's diseaseVery important · 7.0

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

Conditions, medicines and genes

Notes

From SNPedia

Show notes, about 120 words

Located in the PSEN1 gene, rs63750306 represents the rare variant site where all three possible single nucleotide mutations are known and considered pathogenic. The c.436A>C is also known as p.Met146Leu or M146L; the c.436A>G mutation is also known as p.Met146Val or M146V; and the c.436A>T mutation is also known as p.Met146Leu or M146L. All three mutations are considered dominantly inherited pathogenic mutations leading to early-onset Alzheimer's disease and are listed in either ClinVar, OMIM and/or AlzForum. 23andMe calls the A>T variant: i5047522 The A>C variant is reported in to be a "definitely" pathogenic mutation.

A;C

see discussion at rs63750306

A;G

see discussion at rs63750306

A;T

see discussion at rs63750306

Source and license

Adapted from rs63750306 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.