rs12248560(T;T)

CYP2C19*17 ultra fast metabolizer; drug metabolism effects; also 0.77x decreased breast cancer risk

Magnitude
2.0Worth knowing
Repute
Not rated
Frequency
3%Average of 4 populations
On SNPedia
rs12248560(T;T)
Gene
CYP2C19

Frequency

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

  • Yoruba (Nigeria)10%
  • European ancestry (Utah)2%
  • Han Chinese (Beijing)0%
  • Japanese (Tokyo)0%

Other genotypes of rs12248560

  1. C;CGoodnormalTypical · 0.076% of people
  2. C;TMost notableNot ratedCYP2C19*17 ultra fast metabolizer; drug metabolism effects; also 0.77x decreased breast cancer riskWorth knowing · 2.021% of people

All about rs12248560

Source and license

Adapted from rs12248560(T;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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.