rs397508101
A SNP in the KCNQ1-AS1 gene on chromosome 11. Its most notable genotype is -;CCA: Romano-Ward Long QT Syndrome
- Gene
- KCNQ1-AS1
- Location
- Chr 112,847,814 (GRCh38)
- Highest magnitude
- 5.0Very important
- Tested on
- AncestryDNA
Genotypes
As shown in 23andMe and AncestryDNA files.
- -;CCAMost notableBadRomano-Ward Long QT Syndrome
- CAC;CACGoodcommon in clinvar
- I;IGoodcommon genotype
On SNPedia: (-;CCA), (CAC;CAC), (I;I). Magnitude rates how notable a genotype is from 0 to 10, not how risky it is.
Related
Source and license
Adapted from rs397508101 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.