Crystal structures of an intrinsically active cholera toxin mutant yield insight into the toxin activation mechanism
O'Neal, C.J., Amaya, E.I., Jobling, M.G., Holmes, R.K., Hol, W.G.(2004) Biochemistry 43: 3772-3782
- PubMed: 15049684 
- DOI: 10.1021/bi0360152
- Primary Citation of Related Structures:  
1S5F, 1S5E, 1S5D, 1S5C, 1S5B - PubMed Abstract: 
Cholera toxin (CT) is a heterohexameric bacterial protein toxin belonging to a larger family of A/B ADP-ribosylating toxins. Each of these toxins undergoes limited proteolysis and/or disulfide bond reduction to form the enzymatically active toxic fragment ...