rs363807
A SNP in the FBN1 gene on chromosome 15. Its most notable genotype is A;G: Marfan syndrome mutation
- Gene
- FBN1
- Location
- Chr 1548,445,430 (GRCh38)
- Highest magnitude
- 5.5Very important
- Tested on
- 23andMe, AncestryDNA
Genotypes
Plus strand, as in 23andMe and AncestryDNA files.
SNPedia records rs363807 on the minus strand: (C;C), (C;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Frequency
Share of each genotype in 7 HapMap populations.
- AverageG;G 99% A;G <1%
- European ancestry (Utah)G;G 100% A;G 0%
- Han Chinese (Beijing)G;G 100% A;G 0%
- Japanese (Tokyo)G;G 99% A;G <1%
- Yoruba (Nigeria)G;G 100% A;G 0%
- Chinese (Denver)G;G 99% A;G <1%
- Luhya (Kenya)G;G 99% A;G <1%
- Mexican ancestry (Los Angeles)G;G 98% A;G 2%
Related
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
A;G
See links via main rs-page
Source and license
Adapted from rs363807 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.