rs773360200

A SNP in the STXBP2 gene on chromosome 19. Its most notable genotype is A;G: Carrier of a hemophagocytic lymphohistiocytosis (HLH) mutation

Gene
STXBP2
Location
Chr 197,644,720 (GRCh38)
Highest magnitude
3.0Important
Tested on
Not on consumer chips

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Conditions, medicines and genes

Notes

From SNPedia

Notes

aka c.1214G>A (p.Arg405Gln) considered pathogenic for familial hemophagocytic lymphohistiocytosis (HLH) in ClinVar

A;G

Unaffected in absence of a second STXBP2 gene mutation; see links via main rs-page.

Source and license

Adapted from rs773360200 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.