rs3823342

A SNP in the HLA-A gene on chromosome 6. Its most notable genotype is T;T: common in clinvar

Gene
HLA-A
Location
Chr 629,945,290 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, FamilyTreeDNA
Minor allele frequency
47%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. T;TMost notableGoodcommon in clinvarTypical · 0.024% of people

On SNPedia: (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.

  • AverageT;T 24%
  • European ancestry (Utah)T;T 23%
  • Han Chinese (Beijing)T;T 27%
  • Japanese (Tokyo)T;T 19%
  • Yoruba (Nigeria)T;T 27%

Other HLA-A SNPs

All HLA-A SNPs

Source and license

Adapted from rs3823342 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.