rs3803183

A SNP in the COL2A1 gene on chromosome 12. Its most notable genotype is T;T: common in clinvar

Gene
COL2A1
Location
Chr 1248,004,297 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA
Minor allele frequency
30%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. T;TMost notableGoodcommon in clinvarTypical · 0.015% of people

SNPedia records rs3803183 on the minus strand: (A;A). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.

Frequency

Share of each genotype in 3 HapMap populations.

  • AverageT;T 15%
  • Han Chinese (Beijing)T;T 21%
  • Japanese (Tokyo)T;T 16%
  • Yoruba (Nigeria)T;T 9%

Notes

From SNPedia

Notes

Genetic and epigenetic factors at COL2A1 and ABCA4 influence clinical outcome in congenital toxoplasmosis. Host genetic and epigenetic factors in toxoplasmosis.

Source and license

Adapted from rs3803183 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.