rs1128503(G;G)

Normal

Magnitude
0.0Typical
Repute
Not rated
Frequency
39%Average of 11 populations
On SNPedia
rs1128503(C;C)Minus strand
Gene
ABCB1

Frequency

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

  • Luhya (Kenya)78%
  • Yoruba (Nigeria)76%
  • Maasai (Kenya)73%
  • African ancestry (Southwest US)61%
  • Tuscan36%
  • European ancestry (Utah)27%
  • Mexican ancestry (Los Angeles)24%
  • Japanese (Tokyo)18%
  • Gujarati Indian14%
  • Han Chinese (Beijing)12%
  • Chinese (Denver)9%

Other genotypes of rs1128503

  1. A;GBadmay require more methadone during heroin withdrawalTypical · 0.041% of people
  2. A;ABadlikely to require more methadone during heroin withdrawalTypical · 0.020% of people

All about rs1128503

Source and license

Adapted from rs1128503(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 Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice.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.