rs762551(C;C)

Normal metabolism of caffeine.

Magnitude
0.0Typical
Repute
Not rated
Frequency
16%Average of 11 populations
On SNPedia
rs762551(C;C)
Gene
CYP1A2

Frequency

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

  • Luhya (Kenya)26%
  • Maasai (Kenya)23%
  • Gujarati Indian23%
  • Yoruba (Nigeria)19%
  • Japanese (Tokyo)16%
  • Chinese (Denver)16%
  • Tuscan14%
  • Mexican ancestry (Los Angeles)12%
  • Han Chinese (Beijing)11%
  • European ancestry (Utah)9%
  • African ancestry (Southwest US)7%

Other genotypes of rs762551

  1. A;AMost notableNot ratedFaster caffeine metabolism in smokers and heavy coffee consumersMinor · 1.538% of people
  2. A;CNot ratedCarrier of one CYP1A2*1F allele; Normal metabolism of caffeineTypical · 0.046% of people

All about rs762551

Source and license

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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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