rs190386869
A SNP in the BTD gene on chromosome 3. Its most notable genotype is C;T: Carrier of a biotinidase deficiency mutation
- Gene
- BTD
- Location
- Chr 315,644,499 (GRCh38)
- Highest magnitude
- 3.0Important
- Tested on
- AncestryDNA
- Minor allele frequency
- <1%
Genotypes
As shown in 23andMe and AncestryDNA files.
- C;CGoodcommon in clinvar
- C;TMost notableBadCarrier of a biotinidase deficiency mutation
On SNPedia: (C;C), (C;T). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Other BTD SNPs
- rs13078881C;CBiotinidase deficiency; note ability to treat & variable penetranceVery important
- rs28934601A;GCarrier of a biotinidase deficiency mutationImportant
- rs35145938A;CCarrier of a biotinidase deficiency mutationImportant
- rs80338684GCGGCTG;TCCCarrier of a biotinidase deficiency mutationImportant
- rs80338685A;CCarrier of a biotinidase deficiency mutationImportant
- rs80338686C;TCarrier of a biotinidase deficiency mutationImportant
- rs104893687C;TCarrier of a biotinidase deficiency mutationImportant
- rs104893688C;TCarrier of a biotinidase deficiency mutationImportant
Notes
From SNPedia
Notes
C;T
Unaffected in absence of a second BTD gene mutation
Source and license
Adapted from rs190386869 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.