Clostridium perfringens iota toxin. Mapping of the Ia domain involved in docking with Ib and cellular internalization.
Marvaud JC, Stiles BG, Chenal A, Gillet D, Gibert M, Smith LA, Popoff MR, J Biol Chem, 2002 Nov 15 - link

Clostridium perfringens iota-toxin: mapping of receptor binding and Ia docking domains on Ib.
Marvaud JC, Smith T, Hale ML, Popoff MR, Smith LA, Stiles BG, Infect Immun, 2001 Apr - link