rs2815822

A SNP in the F13A1 gene on chromosome 6. Its most notable genotype is G;G: common/normal

Gene
F13A1
Location
Chr 66,320,575 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. G;GMost notableGoodcommon/normalTypical · 0.081% of people
  2. G;TGoodbenign polymorphismTypical · 0.019% of people
  3. T;TGoodcommon in clinvarTypical · 0.0<1% of people

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

Frequency

Share of each genotype in 11 HapMap populations.

  • AverageG;G 81% G;T 19% T;T <1%
  • European ancestry (Utah)G;G 81% G;T 19% T;T 0%
  • Han Chinese (Beijing)G;G 92% G;T 8% T;T 0%
  • Japanese (Tokyo)G;G 99% G;T <1% T;T 0%
  • Yoruba (Nigeria)G;G 78% G;T 22% T;T 0%
  • African ancestry (Southwest US)G;G 80% G;T 18% T;T 2%
  • Chinese (Denver)G;G 92% G;T 9% T;T 0%
  • Gujarati IndianG;G 52% G;T 47% T;T 1%
  • Luhya (Kenya)G;G 82% G;T 18% T;T 0%
  • Mexican ancestry (Los Angeles)G;G 83% G;T 17% T;T 0%
  • Maasai (Kenya)G;G 80% G;T 20% T;T <1%
  • TuscanG;G 74% G;T 26% T;T 0%

Source and license

Adapted from rs2815822 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.