rs137854470

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

Gene
FBN1
Location
Chr 1548,487,425 (GRCh38)
Highest magnitude
5.5Very important
Tested on
AncestryDNA

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

SNPedia records rs137854470 on the minus strand: (A;G), (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Notes

From SNPedia

Notes

C;T

See links via main rs-page

Source and license

Adapted from rs137854470 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.