rs869320657
A SNP in the MMAA gene on chromosome 4. Its most notable genotype is G;T: Carrier of a methylmalonic aciduria type cblA mutation
- Gene
- MMAA
- Location
- Chr 4145,655,202 (GRCh38)
- Highest magnitude
- 3.0Important
- Tested on
- AncestryDNA
Genotypes
As shown in 23andMe and AncestryDNA files.
- G;TMost notableBadCarrier of a methylmalonic aciduria type cblA mutation
- T;TGoodcommon in clinvar
On SNPedia: (G;T), (T;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Other MMAA SNPs
- rs104893846C;TCarrier of a methylmalonic aciduria type cblA mutationImportant
- rs104893849A;GCarrier of a methylmalonic aciduria type cblA mutationImportant
- rs104893851C;TCarrier of a methylmalonic aciduria type cblA mutationImportant
- rs140356252A;TCarrier of a methylmalonic aciduria type cblA mutationImportant
- rs398124552-;TCarrier of a methylmalonic aciduria type cblA mutationImportant
- rs571038432C;TCarrier of a methylmalonic aciduria type cblA mutationImportant
- rs754545360C;TCarrier of a methylmalonic aciduria type cblA mutationImportant
- rs765799472C;TCarrier of a methylmalonic aciduria type cblA mutationImportant
Notes
From SNPedia
Notes
G;T
Unaffected in absence of a second MMAA gene mutation
Source and license
Adapted from rs869320657 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.