rs111671429
A SNP in the FBN1 gene on chromosome 15. Its most notable genotype is C;G: Marfan syndrome mutation
- Gene
- FBN1
- Location
- Chr 1548,596,311 (GRCh38)
- Highest magnitude
- 6.0Very important
- Tested on
- AncestryDNA
- Minor allele frequency
- <1%
Genotypes
Plus strand, as in 23andMe and AncestryDNA files.
- G;GGoodcommon in clinvar
- C;GMost notableBadMarfan syndrome mutation
SNPedia records rs111671429 on the minus strand: (C;C), (C;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Conditions, medicines and genes
Other FBN1 SNPs
- rs25404C;TFamilial thoracic aortic aneurysms and dissections (FTAAD)Very important
- rs140603C;GFamilial thoracic aortic aneurysms and dissections (FTAAD)Very important
- rs140630A;GFamilial thoracic aortic aneurysms and dissections (FTAAD)Very important
- rs111231312A;GFamilial thoracic aortic aneurysms and dissections (FTAAD)Very important
- rs111687884A;GFamilial thoracic aortic aneurysms and dissections (FTAAD)Very important
- rs112645512A;GFamilial thoracic aortic aneurysms and dissections (FTAAD)Very important
- rs112728248C;TFamilial thoracic aortic aneurysms and dissections (FTAAD)Very important
- rs112989722C;GFamilial thoracic aortic aneurysms and dissections (FTAAD)Very important
Notes
From SNPedia
Notes
aka c.510C>G (p.Tyr170Ter or Y170X); as well as c.510C>T (p.Tyr170=); the former is considered likely to be pathogenic for marfan syndrome, while the latter is likely to be benign according to ClinVar
C;G
see text and links via main rs-page
Source and license
Adapted from rs111671429 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.