rs1799899
A SNP in the TF gene on chromosome 3. Its most notable genotype is G;G: common in complete genomics
- Gene
- TF
- Location
- Chr 3133,756,968 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- 23andMe, AncestryDNA, FamilyTreeDNA
- Minor allele frequency
- 4%
Genotypes
As shown in 23andMe and AncestryDNA files.
On SNPedia: (G;G). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Frequency
Share of each genotype in 10 HapMap populations.
- AverageG;G 95%
- European ancestry (Utah)G;G 93%
- Han Chinese (Beijing)G;G 100%
- Japanese (Tokyo)G;G 100%
- Yoruba (Nigeria)G;G 100%
- African ancestry (Southwest US)G;G 98%
- Gujarati IndianG;G 89%
- Luhya (Kenya)G;G 99%
- Mexican ancestry (Los Angeles)G;G 95%
- Maasai (Kenya)G;G 97%
- TuscanG;G 83%
Related
Notes
From SNPedia
Notes
The A allele of rs1799899, also known as the human transferrin G277S mutation, is associated with iron deficiency anemia , lower total iron binding capacity (TIBC), and anemia in menstruating white women.
Source and license
Adapted from rs1799899 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.