rs121434353

A SNP in the UNC13D gene on chromosome 17. Its most notable genotype is A;G: Carrier of a hemophagocytic lymphohistiocytosis (HLH) mutation

Gene
UNC13D
Location
Chr 1775,836,662 (GRCh38)
Highest magnitude
3.0Important
Tested on
AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs121434353 on the minus strand: (C;T), (T;T). 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.1208T>C (p.Leu403Pro) considered pathogenic for familial hemophagocytic lymphohistiocytosis (HLH) in ClinVar

A;G

Unaffected in absence of a second UNC13D gene mutation; see links via main rs-page.

Source and license

Adapted from rs121434353 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.