Physical changes in the epsilon prototoxin molecule of Clostridium perfringens during enzymatic activation.

@article{Worthington1977PhysicalCI,
  title={Physical changes in the epsilon prototoxin molecule of Clostridium perfringens during enzymatic activation.},
  author={Rebecca Worthington and M S G M{\"u}lders},
  journal={Infection and immunity},
  year={1977},
  volume={18 2},
  pages={549-51}
}
Enzymatic activation of Clostridium perfringens epsilon prototoxin removed a small basic part of the molecule, causing a slight change in molecular weight (32,700 to 31,200) and a large change in isoelectric point (from pH 8.02 into fractions of 5.36 and 5.74).