Table 1. Estimated molecular mass of F. nucleatum fusolisin detected in outer membrane vesicles or in growth medium.
| F. nucleatum strain | Name (GeneBank) | Estimatedmolecular mass ofproteolytic bands |
| ATCC 49256(subsp. vincentii) | Fsp49256 (FNV0835) | 55, 101 |
| FDC 364(subsp. nucleatum) | Fsp364 | 62, 96 a |
| ATCC 10953(subsp. polymorphum) | Fsp10953 (FNP_2077) | 57, 96 a |
| ATCC 25586(subsp. nucleatum) | Fsp25586 (KJ634469, suggested annotation for FN1426) | 99 |
| ATCC 23726(subsp. nucleatum) | Fsp23726 (03970469 | 56, 96 a |
| 12230(subsp. polymorphum) | Fsp12230 | 56 |
a
Activity detected only in samples prepared from outer membrane vesicles.