rs193922225

A SNP in the FBN1 gene on chromosome 15. Its most notable genotype is -;ATTG: Marfan syndrome mutation

Gene
FBN1
Location
Chr 1548,434,653 (GRCh38)
Highest magnitude
5.5Very important
Tested on
23andMe, AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

-;ATTG

See links via main rs-page

Source and license

Adapted from rs193922225 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.