rs7277748
A SNP in the SOD1 gene on chromosome 21. Its most notable genotype is A;A: common in complete genomics
- Gene
- SOD1
- Location
- Chr 2131,659,661 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- Not on consumer chips
- Minor allele frequency
- 3%
Genotypes
As shown in 23andMe and AncestryDNA files.
On SNPedia: (A;A). 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.
- AverageA;A 76%
- Yoruba (Nigeria)A;A 69%
- African ancestry (Southwest US)A;A 70%
- Luhya (Kenya)A;A 76%
- Maasai (Kenya)A;A 87%
Related
Other SOD1 SNPs
Notes
From SNPedia
Notes
ALS rs7277748
Source and license
Adapted from rs7277748 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.