rs193922197

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

Gene
FBN1
Location
Chr 1548,488,435 (GRCh38)
Highest magnitude
5.5Very important
Tested on
AncestryDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

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

Notes

From SNPedia

Notes

-;CC

See links via main rs-page

Source and license

Adapted from rs193922197 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.