Table 2. Sizes of OR subfamilies.
| Number of ORs | Number of subfamilies* |
|---|---|
| 1 | 94 |
| 2 | 40 |
| 3 | 32 |
| 4 | 20 |
| 5 | 12 |
| 6 | 8 |
| 7 | 6 |
| 8 | 3 |
| 9 | 3 |
| 10-15 | 15 |
| 16-34 | 8 |
*
Number of subfamilies that contain the number of ORs on left.
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