rs398123445

A SNP in the HEXB gene on chromosome 5. Its most notable genotype is -;CAAAG: Carrier of a Sandhoff disease mutation

Gene
HEXB
Location
Chr 574,718,359 (GRCh38)
Highest magnitude
3.0Important
Tested on
23andMe, AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

aka c.1238_1242delCAAAG

-;CAAAG

Presumably unaffected in absence of a second HEXB gene mutation; see links via main rs-page.

Source and license

Adapted from rs398123445 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.