rs762551(A;C)

Carrier of one CYP1A2*1F allele; Normal metabolism of caffeine

Magnitude
0.0Typical
Repute
Not rated
Frequency
46%Average of 11 populations
On SNPedia
rs762551(A;C)
Gene
CYP1A2

Frequency

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

  • Luhya (Kenya)55%
  • Gujarati Indian52%
  • African ancestry (Southwest US)49%
  • Japanese (Tokyo)49%
  • Maasai (Kenya)49%
  • Chinese (Denver)49%
  • Yoruba (Nigeria)48%
  • Tuscan47%
  • Han Chinese (Beijing)45%
  • European ancestry (Utah)38%
  • Mexican ancestry (Los Angeles)29%

Other genotypes of rs762551

  1. A;AMost notableNot ratedFaster caffeine metabolism in smokers and heavy coffee consumersMinor · 1.538% of people
  2. C;CNot ratedNormal metabolism of caffeine.Typical · 0.016% of people

All about rs762551

Source and license

Adapted from rs762551(A;C) 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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.