Table 5. Selected domain prevalence among nematodes.
| Species | F-box/region/associated | SOCS/BC Box | BTB/POZ/C-terminal Kelch | Cullin |
|---|---|---|---|---|
| M. hapla | 10 | 2 | 54 | 3 |
| B. xylophilus | 15 | 1 | 51 | 9 |
| P. redivivus | 7 | 4 | 368 | 16 |
| C. elegans | 299 | 5 | 107 | 7 |
| P. pacificus | 17 | 0 | 78 | 7 |
| A. suum | 10 | 5 | 39 | 8 |
| B. malayi | 15 | 5 | 47 | 8 |
| T. spiralis | 11 | 1 | 15 | 8 |
Free-living nematodes have a dramatic expansion of these domains throughout their genomes.