rs2243639

A SNP in the SFTPD gene on chromosome 10. Its most notable genotype is T;T: common in clinvar

Gene
SFTPD
Location
Chr 1079,941,966 (GRCh38)
Highest magnitude
0.0Typical
Tested on
23andMe, AncestryDNA, FamilyTreeDNA
Minor allele frequency
26%

Genotypes

As shown in 23andMe and AncestryDNA files.

  1. T;TMost notableGoodcommon in clinvarTypical · 0.07% 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 11 HapMap populations.

  • AverageT;T 7%
  • European ancestry (Utah)T;T 19%
  • Han Chinese (Beijing)T;T 3%
  • Japanese (Tokyo)T;T 7%
  • Yoruba (Nigeria)T;T 0%
  • African ancestry (Southwest US)T;T 2%
  • Chinese (Denver)T;T 6%
  • Gujarati IndianT;T 8%
  • Luhya (Kenya)T;T 0%
  • Mexican ancestry (Los Angeles)T;T 14%
  • Maasai (Kenya)T;T 0%
  • TuscanT;T 18%

Other SFTPD SNPs

All SFTPD SNPs

Notes

From SNPedia

Notes

Gene-environment interaction effects on the development of immune responses in the 1st year of life. A scan of chromosome 10 identifies a novel locus showing strong association with late-onset Alzheimer disease. Lemierre's syndrome and genetic polymorphisms: a case report. Genetic variants and monoallelic expression of surfactant protein-D in inflammatory bowel disease.

Source and license

Adapted from rs2243639 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.