rs121907890

A SNP in the MEFV gene on chromosome 16. Its most notable genotype is -;-: Familial Mediterranean Fever

Gene
MEFV
Location
Chr 163,243,411 (GRCh38)
Highest magnitude
5.0Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Conditions, medicines and genes

Notes

From SNPedia

Notes

rs121907890, also known as c.2074_2076delATA, is a SNP in the MEFV gene. The symptoms of familial Mediterranean fever are caused by the person's own inflammatory response; it is not an infectious disease. The condition is more common among Turks, Sephardic Jews, and people of Arab and Armenian ancestry.

Source and license

Adapted from rs121907890 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.