rs398122415

A SNP in the MAGEL2 gene on chromosome 15. Its most notable genotype is -;A: Prader-Willi-like syndrome; Schaaf-Yang syndrome

Gene
MAGEL2
Location
Chr 1523,646,091 (GRCh38)
Highest magnitude
9.0Very important
Tested on
Not on consumer chips

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs398122415 on the minus strand: (-;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Notes

From SNPedia

Notes

-;A

see discussion at MAGEL2

Source and license

Adapted from rs398122415 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.