rs2331291

A SNP in the MIAT gene on chromosome 22. Its most notable genotype is C;T.

Gene
MIAT
Location
Chr 2226,662,857 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, FamilyTreeDNA
Minor allele frequency
11%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;TMost notableNot ratedNo summary available.Typical · 0.016% of people

On SNPedia: (C;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.

  • AverageC;T 16%
  • European ancestry (Utah)C;T 27%
  • Han Chinese (Beijing)C;T 21%
  • Japanese (Tokyo)C;T 12%
  • Yoruba (Nigeria)C;T 7%
  • African ancestry (Southwest US)C;T 9%
  • Chinese (Denver)C;T 16%
  • Gujarati IndianC;T 17%
  • Luhya (Kenya)C;T 9%
  • Mexican ancestry (Los Angeles)C;T 21%
  • Maasai (Kenya)C;T 18%
  • TuscanC;T 22%

Conditions, medicines and genes

Notes

From SNPedia

Notes

rs2331291 a non-coding RNA, MIAT, that confers risk of Myocardial infarction.

Source and license

Adapted from rs2331291 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.