rs179943

A SNP in the ATXN1 gene on chromosome 6. Its most notable genotype is G;G: common in complete genomics

Gene
ATXN1
Location
Chr 616,398,087 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
20%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. G;GMost notableGoodcommon in complete genomicsTypical · 0.063% of people

SNPedia records rs179943 on the minus strand: (C;C). 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 63%
  • European ancestry (Utah)G;G 89%
  • Han Chinese (Beijing)G;G 43%
  • Japanese (Tokyo)G;G 36%
  • Yoruba (Nigeria)G;G 67%
  • African ancestry (Southwest US)G;G 68%
  • Chinese (Denver)G;G 40%
  • Gujarati IndianG;G 69%
  • Luhya (Kenya)G;G 66%
  • Mexican ancestry (Los Angeles)G;G 67%
  • Maasai (Kenya)G;G 65%
  • TuscanG;G 86%

Notes

From SNPedia

Notes

genomeweb rs4420638 rs11159647 and rs3826656 were also significantly associated with Alzheimer’s disease

Source and license

Adapted from rs179943 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.