rs74315414

A SNP in the PRNP gene on chromosome 20. Its most notable genotype is A;C: Gerstmann–Straussler–Scheinker syndrome

Gene
PRNP
Location
Chr 204,699,533 (GRCh38)
Highest magnitude
8.0Very important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

A;C

see Gerstmann–Straussler–Scheinker syndrome

Source and license

Adapted from rs74315414 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.