rs2074196
A SNP in the KCNQ1 gene on chromosome 11. Its most notable genotype is G;G: common in complete genomics
- Gene
- KCNQ1
- Location
- Chr 112,803,570 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- AncestryDNA
- Minor allele frequency
- 18%
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 4 HapMap populations.
- AverageG;G 59%
- European ancestry (Utah)G;G 94%
- Han Chinese (Beijing)G;G 35%
- Japanese (Tokyo)G;G 28%
- Yoruba (Nigeria)G;G 78%
Related
Other KCNQ1 SNPs
- rs17215500T;TLQT1 form of Long QT syndrome; Jervell and Lange-Nielsen syndromeVery important
- rs179489C;GRomano-Ward Long QT SyndromeVery important
- rs1800171A;GRomano-Ward Long QT SyndromeVery important
- rs12720459C;TLQT1 form of Long QT syndromeVery important
- rs104894252A;GRomano-Ward Long QT SyndromeVery important
- rs104894255A;GRomano-Ward Long QT SyndromeVery important
- rs120074177C;GRomano-Ward Long QT SyndromeVery important
- rs120074178A;GRomano-Ward Long QT SyndromeVery important
Source and license
Adapted from rs2074196 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.