rs15561

A SNP in the NAT1 gene on chromosome 8. Its most notable genotype is C;C.

Gene
NAT1
Location
Chr 818,223,142 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
43%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. C;CMost notableNot ratedNo summary available.Typical · 0.030% of people

On SNPedia: (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.

  • AverageC;C 30%
  • European ancestry (Utah)C;C 59%
  • Han Chinese (Beijing)C;C 24%
  • Japanese (Tokyo)C;C 21%
  • Yoruba (Nigeria)C;C 18%
  • African ancestry (Southwest US)C;C 20%
  • Chinese (Denver)C;C 22%
  • Gujarati IndianC;C 38%
  • Luhya (Kenya)C;C 24%
  • Mexican ancestry (Los Angeles)C;C 25%
  • Maasai (Kenya)C;C 37%
  • TuscanC;C 46%

Other NAT1 SNPs

All NAT1 SNPs

Source and license

Adapted from rs15561 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.