CYP2B6 allele frequencies in ethnic populations
| Allele | Mongolians (n = 200) | Japanesea (n = 884) | Koreansb (n = 88) | Han Chinesec (n = 386) | Whitesd (n = 270) | African-Americansb (n = 70) | Ghanaiansb (n = 64) |
|---|---|---|---|---|---|---|---|
| *1 | 64.5%e | 67.4e | 76.1e | 67.1e | 53.7 | 44.3 | 39.1 |
| *2 | 3.5 | 4.6 | 3.4 | 3.4 | 3.7 | 4.3 | 3.1 |
| *3 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| *4 | 9.0 | 7.8 | 4.5 | 9.1 | 2.2 | 0.0 | 0.0 |
| *5 | 0.5 | 0.8 | 0.0 | 0.3 | 12.2 | 8.6 | 1.6 |
| *6 | 21.0f | 17.6f | 15.9 f | 18.4 f | 28.2 | 32.8 | 46.9 |
| *22 | 0.5 | ND | 0.0 | ND | ND | 1.1 | 1.2 |
| *26 | 0.5 | 1.4 | ND | ND | ND | ND | ND |
ND, not determined.
↵a Representative data of the literature: (Gatanaga et al., 2007);
↵b Representative data of the literature: (Klein et al., 2005);
↵c Representative data of the literature: (Guan et al., 2006);
↵d Representative data of the literature: (Jacob et al., 2004).
↵e Significantly higher than those in African-American and Ghanaians.
↵a Significantly less frequent than those in Ghanaians.