Table 1.
Distribution of Families (of Size >1) According to Their Number of Protein Sequences
| Number | Frequency (%) | ||
| proteins | families | ||
| 2 | 5,964 | 46.7 | |
| 3–4 | 3,181 | 24.9 | |
| 5–9 | 1,987 | 15.5 | |
| 10–19 | 906 | 7.1 | |
| 20–39 | 491 | 3.8 | |
| 40–99 | 204 | 1.6 | |
| ≥100 | 47 | 0.4 | |
| Total | 12,780 | 100 | |
