rs12720459(C;T)

LQT1 form of Long QT syndrome

Magnitude
5.0Very important
Repute
Bad
Frequency
1%Average of 7 populations
On SNPedia
rs12720459(C;T)
Gene
KCNQ1

Frequency

Share of people with C;T in each HapMap population.

  • Mexican ancestry (Los Angeles)3%
  • Luhya (Kenya)2%
  • European ancestry (Utah)<1%
  • Japanese (Tokyo)<1%
  • Chinese (Denver)<1%
  • Han Chinese (Beijing)<1%
  • Yoruba (Nigeria)<1%

Other genotypes of rs12720459

  1. A;ANot ratedNo summary available.Typical · 0.00% of people
  2. C;CGoodcommon in clinvarTypical · 0.099% of people
  3. T;TBadLQT1 form of Long QT syndromeVery important · 5.00% of people

All about rs12720459

Source and license

Adapted from rs12720459(C;T) 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.