Table 1.
Minimum between-subtype amino-acid differences among TcdB subtypes.
| Subtype | Numbers of strains | Minimum between-subtype differences (%) | Maximum within-subtype difference (%) | Representative strain | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| TcdB1 | TcdB2 | TcdB3 | TcdB4 | TcdB5 | TcdB6 | TcdB7 | TcdB8 | ||||
| TcdB1 | n = 1639 | — | 5.33 | 5.75 | 11.15 | 5.70 | 10.06 | 10.48 | 6.72 | 4.14 | 630 |
| TcdB2 | n = 678 | — | 10.10 | 5.15 | 11.24 | 6.00 | 5.75 | 8.92 | 4.27 | CD196 | |
| TcdB3 | n = 333 | — | 6.38 | 5.03 | 13.44 | 13.77 | 12.13 | 0.85 | 1470 | ||
| TcdB4 | n = 29 | — | 8.96 | 9.63 | 8.32 | 13.48 | 3.93 | 8864 | |||
| TcdB5 | n = 7 | — | 14.32 | 14.32 | 12.17 | 0.17 | ES130 | ||||
| TcdB6 | n = 1 | — | 5.92 | 11.33 | — | CD160 | |||||
| TcdB7 | n = 3 | — | 11.62 | 0.17 | CD10–165 | ||||||
| TcdB8 | n = 1 | — | — | 173070 | |||||||