rs4149056(C;T)

Reduced breakdown of some drugs; 5x increased myopathy risk for statin users

Magnitude
2.1Worth knowing
Repute
Bad
Frequency
16%Average of 11 populations
On SNPedia
rs4149056(C;T)
Gene
SLCO1B1

Frequency

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

  • Tuscan35%
  • European ancestry (Utah)28%
  • Han Chinese (Beijing)24%
  • Maasai (Kenya)19%
  • Japanese (Tokyo)19%
  • Chinese (Denver)18%
  • Mexican ancestry (Los Angeles)17%
  • African ancestry (Southwest US)7%
  • Luhya (Kenya)5%
  • Gujarati Indian4%
  • Yoruba (Nigeria)1%

Other genotypes of rs4149056

  1. C;CMost notableBad17x myopathy risk for statin usersImportant · 3.21% of people
  2. T;TGoodnormalTypical · 0.082% of people

All about rs4149056

Source and license

Adapted from rs4149056(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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.