rs4409764
A SNP on chromosome 10. Its most notable genotype is G;G: normal risk of Crohn's disease
- Gene
- None listed
- Location
- Chr 1099,524,480 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- 23andMe, AncestryDNA, FamilyTreeDNA
- Minor allele frequency
- 49%
Genotypes
As shown in 23andMe and AncestryDNA files.
- G;GMost notableGoodnormal risk of Crohn's disease
- G;TBad1.32x increased risk of Crohn's disease in Koreans
- T;TBad>1.32x increased risk of Crohn's disease in Koreans
On SNPedia: (G;G), (G;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 25% G;T 50% T;T 25%
- European ancestry (Utah)G;G 32% G;T 45% T;T 23%
- Han Chinese (Beijing)G;G 29% G;T 49% T;T 22%
- Japanese (Tokyo)G;G 27% G;T 50% T;T 23%
- Yoruba (Nigeria)G;G 20% G;T 50% T;T 30%
- African ancestry (Southwest US)G;G 12% G;T 56% T;T 32%
- Chinese (Denver)G;G 28% G;T 47% T;T 26%
- Gujarati IndianG;G 36% G;T 50% T;T 15%
- Luhya (Kenya)G;G 12% G;T 52% T;T 36%
- Mexican ancestry (Los Angeles)G;G 38% G;T 47% T;T 16%
- Maasai (Kenya)G;G 18% G;T 55% T;T 28%
- TuscanG;G 23% G;T 52% T;T 26%
Notes
From SNPedia
Notes
Implicated in a 2015 Korean cohort for Crohn's disease. PMID 25489960
Source and license
Adapted from rs4409764 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.