rs3218253

A SNP in the IL2RB gene on chromosome 22. Its most notable genotype is G;G: common/normal

Gene
IL2RB
Location
Chr 2237,148,770 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
17%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. G;GMost notableGoodcommon/normalTypical · 0.077% of people
  2. A;GBadT allele is a minor risk factor associated with rheumatoid arthritisTypical · 0.021% of people
  3. A;ABadSlight association with rheumatoid arthritisTypical · 0.02% of people

SNPedia records rs3218253 on the minus strand: (C;C), (C;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 4 HapMap populations.

  • AverageG;G 77% A;G 21% A;A 2%
  • European ancestry (Utah)G;G 64% A;G 32% A;A 5%
  • Han Chinese (Beijing)G;G 78% A;G 22% A;A 0%
  • Japanese (Tokyo)G;G 91% A;G 9% A;A 0%
  • Yoruba (Nigeria)G;G 78% A;G 21% A;A 2%

Notes

From SNPedia

Notes

A;G

See rs3218253

A;A

See rs3218253

Source and license

Adapted from rs3218253 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.