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Characterization of Clostridium perfringens iota-toxin.
| Molecular weight | Iota a (Ia) 47,605 Da (413 residues) |
| Iota b (Ib) 74,147 Da (664 residues) | |
| Biological activity | Lethality, Dermonecrosis, Cytotoxicity |
| Enzymatic activity of Ia | NAD+-glycohydrolase (NADase) |
| ADP-ribosyltransferase (ARTase) |
