| LCGT | Large clostridial glycosylating toxin |
| PEI | Polyethylenimine-modified |
| TcdA | C. difficile toxin A |
| TcdB | C. difficile toxin B |
| Tcnα | C. novyi alpha-toxin from, and the glycosylating toxin |
| TcpE | Glycosylating toxin from C. perfringens type E strain |
| TcsL | C. sordellii lethal toxin |
| TcsH | C. sordellii hemorrhagic toxin |