Table 4. Chromosomal organization of OR genes and subfamilies.
| Intact OR genes/locus*
|
Subfamilies/locus†
|
Loci/subfamily‡
|
|||
|---|---|---|---|---|---|
| No. of OR genes | No. of loci | No. of subfamilies | No. of loci | No. of loci | No. of subfamilies |
| 0 | 2 | 1 | 16 | 1 | 225 |
| 1-10 | 30 | 2 | 8 | 2 | 15 |
| 11-20 | 7 | 3 | 6 | 3 | 1 |
| 21-30 | 5 | 4 | 5 | ||
| 36 | 1 | 5 | 1 | ||
| 45 | 1 | 6 | 5 | ||
| 52 | 1 | 9 | 1 | ||
| 57 | 1 | 10 | 3 | ||
| 91 | 1 | 11 | 1 | ||
| 107 | 1 | 14 | 1 | ||
| 189 | 1 | 36 | 1 | ||
| 50 | 1 | ||||
*
No. of OR gene loci with 0-189 intact OR genes.
†
No. of loci that encode members of 1-50 subfamilies.
‡
No. of subfamilies whose members are encoded at one to three loci.