rs16991654
A SNP in the KCNE2 gene on chromosome 21. Its most notable genotype is T;T: common in clinvar
- Gene
- KCNE2
- Location
- Chr 2134,370,656 (GRCh38)
- Highest magnitude
- 0.0Typical
- Tested on
- AncestryDNA
Genotypes
As shown in 23andMe and AncestryDNA files.
On SNPedia: (T;T). 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.
- AverageT;T 100%
- European ancestry (Utah)T;T 100%
- Han Chinese (Beijing)T;T 100%
- Japanese (Tokyo)T;T 100%
- Yoruba (Nigeria)T;T 100%
Related
Notes
From SNPedia
Notes
In silico investigations on functional and haplotype tag SNPs associated with congenital long QT syndromes (LQTSs). Spectrum of pathogenic mutations and associated polymorphisms in a cohort of 44 unrelated patients with long QT syndrome.
Source and license
Adapted from rs16991654 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.