rs638893

A SNP on chromosome 11. Its most notable genotype is G;G: 1.22x risk of vitiligo in Chinese

Gene
None listed
Location
Chr 11118,827,828 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA
Minor allele frequency
20%

Genotypes

Plus strand, as in 23andMe and AncestryDNA files.

  1. G;GMost notableBad1.22x risk of vitiligo in ChineseTypical · 0.06% of people
  2. A;GBad1.22x risk of vitiligo in ChineseTypical · 0.031% of people
  3. A;AGoodnormalTypical · 0.063% of people

SNPedia records rs638893 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 11 HapMap populations.

  • AverageG;G 6% A;G 31% A;A 63%
  • European ancestry (Utah)G;G 4% A;G 34% A;A 62%
  • Han Chinese (Beijing)G;G 2% A;G 25% A;A 74%
  • Japanese (Tokyo)G;G 0% A;G 12% A;A 88%
  • Yoruba (Nigeria)G;G 16% A;G 47% A;A 36%
  • African ancestry (Southwest US)G;G 18% A;G 46% A;A 37%
  • Chinese (Denver)G;G <1% A;G 25% A;A 74%
  • Gujarati IndianG;G 2% A;G 27% A;A 71%
  • Luhya (Kenya)G;G 10% A;G 43% A;A 47%
  • Mexican ancestry (Los Angeles)G;G 2% A;G 12% A;A 86%
  • Maasai (Kenya)G;G 8% A;G 46% A;A 46%
  • TuscanG;G 3% A;G 28% A;A 69%

Source and license

Adapted from rs638893 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.