Table 4a.
Family Size Distributions among Common Enzymes
| Family size in no.domains | E. coli | S. cerevisiae | Family size in no.domains | E. coli | S. cerevisiae |
| 1 | 147 | 118 | 11 | 2 | |
| 2 | 62 | 49 | 12 | 1 | |
| 3 | 23 | 23 | 14 | 1 | |
| 4 | 6 | 13 | 15 | 2 | |
| 5 | 9 | 4 | 16 | 2 | |
| 6 | 7 | 8 | 17 | 1 | |
| 7 | 2 | 4 | 18 | 1 | |
| 8 | 4 | 19 | 1 | ||
| 9 | 2 | 1 | 27 | 1 | |
| 10 | 1 | 2 | 33 | 1 |











